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Best Industrial Amplifiers - Buying Guide

Last Updated: 01/18/2019

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Bestselling Industrial Amplifiers on Amazon

  1. (10PCS) LM386N-4 IC AMP AUDIO PWR 1W MONO AB 8DIP 386 LM386
  2. MCIGICM 15pcs lm317t lm317 Voltage Regulator
  3. Pyle PFA220BT Class-T Bluetooth Power Audio Amplifier - 120W Mini Dual Channel Sound Stereo Receive...
  4. RioRand DMX512 LED Signal Splitter Amplifier Distributor 1 Way in 8-Channel 3-Pin Output with Signal...
  5. Icstation TDA2030 2X15W Stereo Audio Amplifier DIY Kits Electronics Soldering Practice Suite
  6. Opamp Assortment 30 pcs, incl. Sockets, single dual adapter TL061 TL071 TL081 UA71 LM308 LF351 NE553...
  7. (20PCS) 74HC27N,652 IC TRIPLE 3-IN NOR GATE 14DIP 74HC27N HC27 74HC27
  8. Aideepen 5pcs Electret Microphone Amplifier MAX4466 Module Adjustable Gain Purple Breakout Board for...
  9. National Semiconductor LM386N-1 Semiconductor, Low Voltage, Audio Power Amplifier, Dip-8, 3.3 mm H x...
  10. Uxcell a14061800ux0138 TO-92 BC547 NPN Epitaxial Silicon Transistor, 100 mA, 50V, 500 MW, 15 Piece

  #1

(10PCS) LM386N-4 IC AMP AUDIO PWR 1W MONO AB 8DIP 386 LM386

Model: LM386N-4   |    Mpn: LM386N-4   |    Ean: 0351975856933   |    PartNumber: LM386N-4   |   Asin: B0166EM7GI

Part NO.:LM386N-4
Package:8-MDIP
Description:IC AMP AUDIO PWR 1W MONO AB 8DIP
Supplier:SICSTOCK
Type:Class AB
Output Type:1-Channel (Mono)
Max Output Power x Channels @ Load:1W x 1 @ 32 Ohm
Voltage - Supply:5 V ~ 18 V
Features:-
Mounting Type:Through Hole
Supplier Device Package:8-MDIP

Features

Brand: SICSTOCK   |   Manufacturer: SICSTOCK

Item Dimensions: 0.2 x 3.94 x 5.91 inches (0.5 x 10.0 x 15.0 cm)   |   Package Dimensions: 0.2 x 4 x 6 inches (0.5 x 10.2 x 15.2 cm)

Amazon Price: $11.00 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $12.00

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  #2

MCIGICM 15pcs lm317t lm317 Voltage Regulator

 Ean: 0759624678927   |    PartNumber: lm317   |   Asin: B07BKW7RPG

Output Configuration:Positive
Output Type:Adjustable
Number of Regulators:1
Voltage - Input (Max):40V
Voltage - Output (Min/Fixed):1.2V
Voltage - Output (Max):37V
Current - Output:1.5A
PSRR:80dB ~ 65dB (120Hz)
Protection Features:Over Current, Over Temperature
Operating Temperature:0 C ~ 125 C
Mounting Type:Through Hole
Package / Case:TO-220-3
Supplier Device Package:TO-220AB
Base Part Number:LM317

Features

  • 15pcs LM317T
  • See Picture 4 for Specifications Datasheet,Contact us for Better Price for Bulk order
  • Linear Voltage Regulator IC Positive Adjustable 1 Output 1.2 V ~ 37 V 1.5A TO-220AB
  • See more on Amazon...

Brand: MCIGICM   |   Manufacturer: MCIGICM

Package Dimensions: 0.47 x 3.58 x 3.78 inches (1.2 x 9.1 x 9.6 cm)

Amazon Price: $7.98 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $7.99

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  #3

Pyle PFA220BT Class-T Bluetooth Power Audio Amplifier - 120W Mini Dual Channel Sound Stereo Receiver Box w/ USB, RCA, 12V Adapter - For Subwoofer Speaker, Home Theater, PA System, Studio Use -

Model: PFA220BT   |    Mpn: PFA220BT   |    Ean: 0068888754514   |    PartNumber: PFA220BT   |   Asin: B00L1UKR60

Pyle Model : PFA220BTHome Audio Desktop Bluetooth Amplifier Compact Bluetooth Power Amplifier - Desktop Home Audio Amp with MP3/USB/SD Readers, USB Charging (120 Watt) Features: Compact and Powerful Mini Amplifier System Built-in Bluetooth for Wireless Audio StreamingMP3 Digital Audio File Playbacks Memory Card & USB Flash Drive Port Doubles as Device Charge Port Digital LCD Display Panel with Touch Button (3.5mm) Input Connector Jack CA Audio Inputs (L/R)Connect & Stream Audio from External Devices1/4'' Microphone Input Jack Push-Type Speaker L/R Terminals Treble, Bass, Master Volume Adjustable Built-in Short, Overload and Overcurrent Protection Used for Home, Office & Mobile/Vehicle Applications Wireless Bluetooth Connectivity: Compatible with All of Today s Latest Devices Smartphones, Tablets, Computers, Laptops, etc. Hassle-Free Connection & Easy Setup Bluetooth Version: 2.1Bluetooth Network Name: Pyle Speaker 'Wireless Range: Up to 50 + ft. What s in the Box: Compact Power Amplifier Remote Controlled Adaptor Cable12V Mobile/Vehicle Cable Technical Specs: Power Output: 120 Watt (60 Watt x 2 @ 4Ohm)Class-T Digital Amp Circuit Design Frequency Response: 20Hz - 20kHzRate Level Audio Input: 350mv/47k Rate Level Mic Input: 8mv/600 Tone Control (Bass/Treble): +/- 8dBMaster Channel Separation: >45dBSignal to Noise Ratio: >80dBSignal to Noise Master Channel: >71dBT.H.D.: Power: DC 12 Volt /2AMaximum USB/SD Memory Support: 16 Dimensions: 10.5'' x 8.8'' x 2.8'' -inches The Pyle Mini Blue Series stereo amplifier provides compact power up to 120 Watts (60 Watt x 2 @ 4 Ohm). Built-in Bluetooth technology allows you to instantly stream wireless audio from your favorite devices -- quickly and easily. This mini power amplifier also features USB flash and SD memory card readers with digital LCD display. Connect external devices using the RCA (L/R) or AUX (3.5mm) stereo input connector jacks -- and let the music play! It's compatible with virtually any audio or computerized device (works with iPhones, Androids, Smartphones, iPods, MP3 Players, iPads, Tablets, Computers, etc.). Additional features include USB charging port, built-in short circuit and power surge protection, master volume control, push-type speaker terminals and more. Enjoy compact and powerful wireless amplifier music streaming ability with the Pyle Mini Blue Series Bluetooth Amp (Model: PFA220BT).

Features

  • 120W POWER: The Pyle Dual Channel HiFi Audio Amplifier gives your entertainment or PA system a boost! Offers low distortion w/ acoustically accurate audio reproduction. Supports speakers w/ 4 ohm impedance allowing you to enjoy high quality audio
  • BLUETOOTH CONNECTIVITY: The small personal integrated indoor stereo receiver is equipped with Bluetooth wireless music streaming. Works with today's latest devices including smartphones, tablets, laptops, computers w/ hassle-free receiver pairing
  • 4 INPUTS: The professional class-T amp supports USB, SD/MMC. Connect android phone, iPhone, iPad, MP3 to the 3.5mm jack input to enjoy acoustic amplified sound w/ the speaker. It also has RCA, microphone input
  • LCD DIGITAL DISPLAY: The small personal integrated indoor stereo receiver features a built-in LCD control display which shows all the functions and input used. A 12V adapter and remote control are included in the package for distant audio adjustments
  • EQ CONTROLS: This smart mini multi purpose 2 channel compact home theater digital amplifying box features crisp buttons and separate rotary knob controls for the treble, bass, and master volume adjustments
  • See more on Amazon...

Brand: Pyle   |   Manufacturer: Sound Around

Item Dimensions: 2.25 x 8.75 x 7.75 inches (5.7 x 22.2 x 19.7 cm)   |   Package Dimensions: 2.4 x 7.1 x 8.7 inches (6.1 x 18.0 x 22.1 cm)

First Available: 2016-02-11

Amazon Price: $42.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $43.00 | Used Price: $32.81

Warranty: 1 Year Limited

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  #4

RioRand DMX512 LED Signal Splitter Amplifier Distributor 1 Way in 8-Channel 3-Pin Output with Signal Indicator

Model: LED-8-SIGNAL   |    Mpn: LED-8-SIGNAL   |    Ean: 0615020117890   |    PartNumber: LED-8-SIGNAL   |   Asin: B00FS5W5E6

RioRand 1 Input 8 Ouput DMX512 Signal Amplifier have unique and novel appearancea, super compact signal amplifier,high stability,multi-functional and good quality. Technical Parameters : Supply voltage: DC12V-24V Working temperature: -20~60 Input signal: one group DMX signal Output signal: 8 groups DMX signal Static power consumption: Functions: DMX signal amplifier can re-output DMX signal after receiving DMX signal, it is mainly used for prolonging the transmission distance of DMX signal and increasing the ability of driving DMX signal Package Content: 1 x DMX Signal Amplifier 1 x Power Supply 1 x Extra Power Cable Attention: 1.Do not connect two wires directly to avoid short circuit 2.Lead wire should be connected correctly according to colors that connect drawing offers

Features

  • DMX512 signal amplification function and prolong the DMX signal transmission distance
  • DMX512 signal distribution function, multi-level sharing after a DMX control system
  • Separate inductors power cable, independent DMX signal ground, the standard DMX independent distribution amplifier
  • Eight independent isolated output function, to avoid the system after the class DMX signal interference and sabotageOne input, eight independent DMX signal amplifier output
  • See more on Amazon...

Brand: RioRand   |   Manufacturer: RioRand

Package Dimensions: 2.4 x 4.5 x 10.5 inches (6.1 x 11.4 x 26.7 cm)

First Available: 2018-01-22

Amazon Price: $32.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $24.99

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  #5

Icstation TDA2030 2X15W Stereo Audio Amplifier DIY Kits Electronics Soldering Practice Suite

Model: TDA2030 2X15W Audio Amplifier Kit   |    Mpn: 496901   |    PartNumber: 496901   |   Asin: B01488AIOM

This is a DIY audio amplifier kit equipped with two TDA2030A chips, 15W+15W stereo audio output. It can train your soldering skills during assemble, once finished, it will turn into a mini stereo audio amplifier module perfect for electronic assembly enthusiasts or audiophiles

Specifications:
Working Voltage: 9-15V AC/DC
Output Power:15W+15W
Output Impedance:4-8
PCB Size:66X56mm/2.60X2.20inch

Package Included:
1X TDA2030 15WX2 Stereo Audio Amplifier Kit

------------------- Warm Prompt -------------------
This is a assemble kit that need the user to finish the assemble process. We will send the detailed English assemble manual to your amazon email box, if you do not receive it, please feel free to contact us for resend. And if you have any question or comments during use this item, or meet delivery problem, please do not hesitate to email us as well, we will answer within 12 hours during the business days.
----------------- Icstation Shop -----------------

Features

  • Equipped with two TDA2030A chips ensure high amp power
  • 15W+15W stereo output output
  • AC / DC 9V-12V input, 4-8 impedance output
  • Integrated fewer but essential components,high sound fidelity, low distortion
  • Perfect for electronics fans or DIY speaker enthusiast
    Ship it out by USPS with tracking information and 7-17 days delivery time usually
  • See more on Amazon...

Brand: IS   |   Manufacturer: Icstation

Amazon Price: $3.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 2-3 business days
List Price: $5.99

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  #6

Opamp Assortment 30 pcs, incl. Sockets, single dual adapter TL061 TL071 TL081 UA71 LM308 LF351 NE5534 TL084 LM324 TL072 TL082 LM358 LM747 OP07 JRC4558D NE5532 LM386 CA3130 CA3140 CA3240

Model: opamp assortment 1   |    Mpn: opamp assortment 1   |    PartNumber: opamp assortment 1   |   Asin: B074YH7F23

Opamp Assortment incl. DIP8 and DIP14 sockets and single-dual adapterl

single opamps:
TL061, 2 pcs
TL071, 2 pcs
TL081, 1 pcs
UA741, 2 pcs
LM308, 1 pcs
LF351, 2 pcs
NE5534, 2 pcs

dual opamps:
TL072, 2 pcs
TL082, 2 pcs
LM358, 2 pcs
LM747, 1 pcs
OP07, 1 pcs
JRC4558D, 2 pcs
NE5532, 2 pcs

quad opamps:
TL084, 1 pcs
LM324, 1 pcs

power audio amp:
LM386, 1 pcs

BiMOS opamps:
CA3130, 1 pcs
CA3140, 1 pcs
CA3240, 1 pcs

opamp sockets:
DIP-8, 15 pcs
DI-14, 3 pcs

single to dual opamp adapter, 1 pcs

Features

  • Huge Opamp Assortment
  • including 15 pcs DIP8 opamp sockets and 3 pcs DIP-14 opamp sockets
  • including 1 single-dual opamp adapter
  • TL061, TL071, TL081, UA71, LM308, LF351, NE5534, TL084, LM324, TL072, TL082, LM358, LM747, OP07, JRC4558D, NE5532, LM386, CA3130, CA3140, CA3240
  • Sorted accordingly in a labeled plastic box
  • See more on Amazon...

Brand: 3pdt   |   Manufacturer: 3pdt

Item Dimensions: 0.79 x 3.94 x 6.69 inches (2.0 x 10.0 x 17.0 cm)   |   Package Dimensions: 0.94 x 3.78 x 6.69 inches (2.4 x 9.6 x 17.0 cm)

Amazon Price: $38.90 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $38.90

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  #7

(20PCS) 74HC27N,652 IC TRIPLE 3-IN NOR GATE 14DIP 74HC27N HC27 74HC27

Model: 74HC27N,652   |    Mpn: 74HC27N,652   |    PartNumber: 74HC27N,652   |   Asin: B016T70GRE

Part NO.:74HC27N,652
Package:14-DIP
Description:IC TRIPLE 3-IN NOR GATE 14DIP
Supplier:SICSTOCK
Logic Type:NOR Gate
Number of Circuits:3
Number of Inputs:3
Features:-
Voltage - Supply:2 V ~ 6 V
Current - Quiescent (Max):2 A
Current - Output High, Low:5.2mA, 5.2mA
Logic Level - Low:0.5 V ~ 1.8 V
Logic Level - High:1.5 V ~ 4.2 V
Max Propagation Delay @ V, Max CL:15ns @ 6V, 50pF
Operating Temperature:-40 C ~ 125 C
Mounting Type:Through Hole
Supplier Device Package:14-DIP

Features

Brand: SICSTOCK   |   Manufacturer: SICSTOCK

Amazon Price: $14.00 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 1-2 business days
List Price: $14.00

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  #8

Aideepen 5pcs Electret Microphone Amplifier MAX4466 Module Adjustable Gain Purple Breakout Board for Arduino

 PartNumber: 70117085   |   Asin: B07BBNBT83

Description:
On the back, we include a small trimmer pot to adjust the gain.
You can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6" away) which is good for attaching to something that expects 'line level' input without clipping,
or up to about 1Vpp, ideal for reading from a microcontroller ADC.
The output is rail-to-rail so if the sounds gets loud, the output can go up to 5Vpp!

Using introduction:
Connect GND to ground, VCC to 2.4-5VDC.
The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled).
If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device.
If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.
The output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you'll need an audio amplifier (such as 3.7W stereo amp)
If you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.
For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies.

Package Included:
5* Purple MAX4466 Electret Microphone Amplifier Module

Features

  • The board comes with a 20-20KHz electret microphone soldered on
  • Using the MAX4466, an op-amp specifically designed for amplifier
  • For the best performance, use the quietest supply available (on an for Arduino, this would be the 3.3V supply)
  • The amplifier has excellent power supply noise rejection
  • This breakout board is best used for projects such as voice changers, audio recordingmpling, and audio-reactive projects that use FFT
  • See more on Amazon...

Brand: Aideepen   |   Manufacturer: Aideepen

Package Dimensions: 0.98 x 2.44 x 2.95 inches (2.5 x 6.2 x 7.5 cm)

Amazon Price: $13.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #9

National Semiconductor LM386N-1 Semiconductor, Low Voltage, Audio Power Amplifier, Dip-8, 3.3 mm H x 6.35 mm W x 9.27 mm L (Pack of 10)

Model: LM386N-1   |    Mpn: LM386N-1   |    Ean: 0696345438495   |    PartNumber: LM386N-1   |   Asin: B01MUHBZ91

National Semiconductor LM386N-1 Semiconductor, Low Voltage, Audio Power Amplifier, Dip-8, 3mm H x 6.35 mm W x 9.27 mm L (Pack of 10), 6.35 millimeters width, 9.27 millimeters Length, Volts (Pack of 10). Product type - audio amplifier. Pin count - 8. Amplifier type - class-ab. National Semiconductor LM386N-1 Semiconductor, Low Voltage, Audio Power Amplifier, Dip-8, 3mm H x 6.35 mm W x 9.27 mm L (Pack of 10), 6.35 millimeters width, 9.27 millimeters Length, Volts (Pack of 10). Unit Count : Semiconductor.

Features

Brand: National Semiconductor   |   Manufacturer: National Semiconductor

Package Dimensions: 1.1 x 1.7 x 2.4 inches (2.8 x 4.3 x 6.1 cm)

Amazon Price: $8.00 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $8.00

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  #10

Uxcell a14061800ux0138 TO-92 BC547 NPN Epitaxial Silicon Transistor, 100 mA, 50V, 500 MW, 15 Piece

Model: a14061800ux0138   |    Mpn: a14061800ux0138   |    Ean: 0702105596043   |    PartNumber: a14061800ux0138   |   Asin: B016A2PBPK

Switching and amplification in high voltage applications such as telephony. Npn high-voltage transistor in a to-do. Low current (max. 100 ma)high voltage (max. 50 V).

Features

  • Product name : NPN epitaxial silicon Transistor; model : BC547
  • Collector-base Voltage : 50V; emitter-base Voltage : 6V
  • Collector current (DC) : 100mA; total power dissipation : 500Mw
  • Storage temperature : -65 to 150 C; color : black, Silver Tone
  • Weight : 2G; package content : 15 x NPN epitaxial silicon Transistor
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: Uxcell

Package Dimensions: 0.47 x 4.02 x 5.24 inches (1.2 x 10.2 x 13.3 cm)

Amazon Price: $5.20 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 1-2 business days
List Price: $6.24

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  #11

(1PCS) INA121P IC OPAMP INSTR 600KHZ SGL 8DIP 121 INA121

Model: INA121P   |    Mpn: INA121P   |    Ean: 0351634186593   |    PartNumber: INA121P   |   Asin: B01GBJ0PRG

Part NO.:INA121P
Package:8-PDIP
Description:IC OPAMP INSTR 600KHZ SGL 8DIP
Supplier:SICSTOCK
Amplifier Type:Instrumentation
Applications:-
Number of Circuits:1
Output Type:-
Slew Rate:0.7 V/ s
Gain Bandwidth Product:-
-3db Bandwidth:600kHz
Current - Input Bias:4pA
Voltage - Input Offset:200 V
Current - Supply:450 A
Current - Output / Channel:14mA
Voltage - Supply, Single/Dual ( ):4.5 V ~ 36 V, 2.25 V ~ 18 V
Operating Temperature:-40 C ~ 85 C
Mounting Type:Through Hole
Supplier Device Package:8-PDIP

Features

Brand: SICSTOCK   |   Manufacturer: SICSTOCK

Amazon Price: $8.00 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 1-2 business days
List Price: $8.00

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  #12

20 Pieces LM386N-1 LM386N LM386 Low Voltage Audio Power Amplifier

Model: LM386N-1/NOPB-TEXAS INSTRUMENTS   |    Mpn: LM386N-1/NOPB-TEXAS INSTRUMENTS   |    Ean: 6453768607280   |    PartNumber: LM386N-1/NOPB-TEXAS INSTRUMENTS   |   Asin: B00I6ID8XE

The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200. The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 milliwatts when operating from a 6 volt supply, making the LM386 ideal for battery operation.

Features

  • Battery operation
  • Minimum external parts
  • Wide supply voltage range: 4V-12V or 5V-18V
  • Low quiescent current drain: 4mA
  • Voltage gains from 20 to 200
  • See more on Amazon...

Brand: National Semiconductor   |   Manufacturer: Manie Power (WESTECH)

Package Dimensions: 0.3 x 3.5 x 6.5 inches (0.8 x 8.9 x 16.5 cm)

Amazon Price: $11.75 | as of 01/18/2019(10:37am pst)
Availibility:
List Price:

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  #13

Cambridge - DACMagic Plus (Silver)

Model: DacMagicPlusSilver   |    Mpn: DacMagicPlusSilver   |    Ean: 0813371024199   |    PartNumber: DacMagicPlusSilver   |   Asin: B006LEDXOE

Cambridge Audio DacMagic Plus DAC/Preamplifier DacMagic Plus Performance and Features Belie its Affordable Price Tag: The Reviews Have It Wireless Connectivity, Twin Wolfson 24-Bit DACs, AFT2 Upsampling, Asychronous USB Input Just the Beginning of Giant-Killing DacMagic Plus Cambridge Audio 's DacMagic Plus ups the ante on how much DAC you can get for $600. Consider: Twin Wolfson 24-bit DACs in dual differential configuration. AFT2 24-bit/384kHz up sampling and jitter reduction. Asynchronous USB input. Selectable digital filters. Balanced XLR output and RCA phono output. External input for an optional Cambridge Audio BT100 Bluetooth receiver for wireless streaming from any Bluetooth device. And tremendously good sound no matter what format you throw its way. "Better sound and better features than the original... sound is detailed, subtle and fast" - What Hi-Fi Designed in London, DacMagic Plus instantly improves audio from any imaginable digital source and turns your computer, TV, Blu-ray player, and other devices into an essential link in the chain of your hi-fi system. After taking a direct digital audio signal from your device, bypassing its DAC, DacMagic Plus upgrades it via the ATF2 upsampling system. Finally, DacMagic Plus outputs your music in a much purer, realistic, analog-like signal to your amplifier. "It has an open and revealing character that is strong on timing... comes highly recommended." - Hi-Fi Choice , Recommended Product review DacMagic Plus also doubles as a hard-working digital preamplifier and is created to pair with the aptX-compatible Cambridge Audio BT100 Bluetooth receiver, which allows wireless streaming from Bluetooth-enabled devices. Is there a better DAC/preamplifier combination on the market for less? Our Money-Back Guarantee allows you to find out for yourself, and we highly

Features

  • Wireless Connectivity
  • Twin Wolfson 24-Bit DACs
  • AFT2 Upsampling
  • Asychronous USB Input
  • Doubles as a hard-working digital preamplifier
  • See more on Amazon...

Brand: Cambridge Audio   |   Manufacturer: CAMBRIDGE AUDIO

Item Dimensions: 2.05 x 8.46 x 7.52 inches (5.2 x 21.5 x 19.1 cm)   |   Package Dimensions: 5.12 x 10.79 x 12.68 inches (13.0 x 27.4 x 32.2 cm)

Amazon Price: $349.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $349.99

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  #14

HiLetgo TDA7492P 50W+50W 250W Wireless Bluetooth CSR4.0 BT 4.0 Audio Receiver Digital Amplifier Board AMP

Model: 3-01-1046   |    Mpn: 3-01-1046   |    PartNumber: 3-01-1046   |   Asin: B01CZL6S84

Power: 2.1 interface 8 ~ 24V DC power supply
Input: stereo input various versions of the Bluetooth connection
Using CSR8635 Bluetooth chip, Bluetooth V4.0, high software compatibility
Output Impedance: 8 ohms Best(4,6,8,16 ohm
impedance can drive speakers)
Output Power: Add pre-5532 output foot (powered 25V ,6-ohm
impedance output 2 X 50W, 8 ohm
impedance output 2X40W dual-channel)
TDA7492 digital amplifier chip, designed to optimize the circuit layout,
the sound quality is very good, big power
DIP switches can be adjusted directly after the amp gain more respect and better promote greater damping horn

Features

  • TDA7492P 50W+50W Wireless Bluetooth
  • TDA7492 digital amplifier chip, designed to optimize the circuit layout.
  • Using CSR8635 Bluetooth chip, Bluetooth V4.0, high software compatibility.
  • DIP switches can be adjusted directly after the amp gain more respect and better promote greater damping horn.
  • Power supply: 2.1 interface DC 8~25V power supply
  • See more on Amazon...

Brand: HiLetgo

Package Dimensions: 0.51 x 3.31 x 3.31 inches (1.3 x 8.4 x 8.4 cm)

Amazon Price: $13.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #15

Evelots Phone Amplifier-Very Loud Ring Volume-Flashing Light-Installs in Seconds

 Ean: 0816214026411   |    PartNumber: 2444   |   Asin: B07JHYR2GS

Is your home or office often noisy? Are you experiencing hearing loss or impairment? Don't miss another call! The Evelots telephone ring volume enhancer increases the volume of a landline telephone to help make sure you catch important calls. Also features a flashing light that illuminates for additional visual alert. The 2-position switch allows you to choose between a high- and low-frequency tone according to preference. Make your phone easier to hear when working outside, in the garage, on another floor of the house, or while sleeping. Installs in seconds and works with any landline telephone at home or office. No batteries required; runs from electricity provided by landline connection. Not compatible with cell phones. Measures approximately 4"L x 2.325"W x 1"H. Instructions included.

*Evelots is a brand of Green Mountain Imports, LLC and is exclusively distributed by Green Mountain Imports.*Evelots has more than 500 products to offer. Please don't forget to visit our Amazon store. For International Shipments: Import duties, taxes, and charges are not included in the listed price and are the buyer's responsibility.

Features

  • Tired of missing phone calls? If your home or office is often filled with "joyful noises," or for those with hearing loss or impairment, the Evelots telephone ring volume enhancer increases the volume of a landline telephone to help make sure you catch those important calls.
  • Flashing light also illuminates for additional visual alert. 2-position switch allows you to choose between a high- and low-frequency tone according to preference.
  • Make your phone easier to hear when working outside, in the garage, on another floor of the house, or while sleeping.
  • Installs in seconds and works with any landline telephone at home or office. No batteries required; runs from electricity provided by landline connection. Not compatible with cell phones. Measures approximately 4L x 2.25W x 1H. Instructions included.
  • Trusted vendor. For years Evelots has provided unique products with a 30 day easy return policy, and 100% satisfaction guarantee.
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Brand: Evelots   |   Manufacturer: Green Mountain Imports

Item Dimensions: 1 x 2.33 x 4 inches (2.5 x 5.9 x 10.2 cm)   |   Package Dimensions: 1.18 x 3.39 x 4.33 inches (3.0 x 8.6 x 11.0 cm)

Amazon Price: $5.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $5.99

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  #16

Aideepen 5pcs Electret Microphone Amplifier MAX4466 Module Adjustable Gain Blue Breakout Board for Arduino

 PartNumber: 70117045   |   Asin: B07BBNWXHZ

Description:
On the back, we include a small trimmer pot to adjust the gain.
You can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6" away) which is good for attaching to something that expects 'line level' input without clipping,
or up to about 1Vpp, ideal for reading from a microcontroller ADC.
The output is rail-to-rail so if the sounds gets loud, the output can go up to 5Vpp!

Using introduction:
Connect GND to ground, VCC to 2.4-5VDC.
The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled).
If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device.
If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.
The output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you'll need an audio amplifier (such as 3.7W stereo amp)
If you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.
For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies.

Package Included:
5* Blue MAX4466 Electret Microphone Amplifier Module

Features

  • The board comes with a 20-20KHz electret microphone soldered on
  • Using the MAX4466, an op-amp specifically designed for amplifier
  • For the best performance, use the quietest supply available (on an for Arduino, this would be the 3.3V supply)
  • The amplifier has excellent power supply noise rejection
  • This breakout board is best used for projects such as voice changers, audio recordingmpling, and audio-reactive projects that use FFT
  • See more on Amazon...

Brand: Aideepen   |   Manufacturer: Aideepen

Package Dimensions: 1.5 x 3.03 x 4.88 inches (3.8 x 7.7 x 12.4 cm)

Amazon Price: $13.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #17

Icstation AD620 Microvolt Millivolt Signal Amplifier Module 1.5-1000 Gain Adjustable

Model: AD620 Microvolts Millivolts Amplifier   |    Mpn: 1201701   |    PartNumber: 1201701   |   Asin: B072N57L7H

This voltage signal amplifier module is designed for microvolt /millivolt signal amplification with 1.5-1000 gain range. It is equipped with AD620 instrumentation amplifier chip and support null point adjustment, negative voltage output and noise filtering capabilities ensure you can get the low distortion but high frequency signal ideal for small signal amplification.

Specifications:
Chip:AD620
Input Voltage: DC 3-12V
Amplification Range: 1.5-1000
Signal Input Voltage: 100uV-300mV
Signal Output Range: (Vin-2V)
Offset Voltage: 50 V
Input Bias Current: 1.0nA(max.)
Common Mode Rejection Ratio: 100dB
Offset Voltage Drift: 0.6 V/ (max.)
Module Size: 32 X 22mm/1.26 X 0.87inch(L*W)

Package Included:
1X AD620 Microvolt Millivolt DC Voltage Amplifier Module

Features

  • High precision DC voltage signal amplifier module for microvolt /millivolt signal amplification with 1.5-1000 gain range adjustment
  • Equipped with AD620 instrumentation amplifier chip support 10V(maximum) signal voltage output with high precision and good linearity better performance than LM358
  • Support null point adjustment, negative voltage output and noise filtering capabilities ensure you can get the low distortion but high frequency signal ideal for small signal amplification
  • Input Voltage: DC 3-12V, Signal Input Voltage: 100uV-300mV, Module Size: 32 X 22mm/1.26 X 0.87inch(L*W)
  • Ship it out by USPS with tracking information and 7-17 days delievery time usually
  • See more on Amazon...

Brand: IS   |   Manufacturer: Icstation

Amazon Price: $5.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 2-3 business days
List Price: $11.99

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  #18

ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier

Model: ADA1085   |    Mpn: 1085   |    Ean: 0711978445259   |    PartNumber: 1085   |   Asin: B00QIW4MGW

For microcontrollers without an analog-to-digital converter or when you want a higher-precision ADC, the ADS1115 provides 16-bit precision at 860 samples/second over I2C. The chip can be configured as 4 single-ended input channels, or two differential channels. As a nice bonus, it even includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range. We like this ADC because it can run from 2V to 5V power/logic, can measure a large range of signals and its super easy to use. It is a great general purpose 16 bit converter.

The chip's fairly small so it comes on a breakout board with ferrites to keep the AVDD and AGND quiet. Interfacing is done via I2C. The address can be changed to one of four options (see the datasheet table 5) so you can have up to 4 ADS1115's connected on a single 2-wire I2C bus for 16 single ended inputs.

To get you started, we have example code for both the Raspberry Pi (in our Adafruit Pi Python library) and Arduino (in our ADS1X15 Arduino library repository) Simply connect GND to ground, VDD to your logic power supply, and SCL/SDA to your microcontroller's I2C port and run the example code to start reading data.

Features

Brand: Adafruit   |   Manufacturer: Adafruit

Item Dimensions: 0.39 x 2.56 x 3.94 inches (1.0 x 6.5 x 10.0 cm)   |   Package Dimensions: 0.31 x 2.6 x 3.86 inches (0.8 x 6.6 x 9.8 cm)

Amazon Price: $14.99 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 24 hours
List Price: $15.68

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  #19

(1PCS) TDA7294V IC AMP AUDIO 100W AB MULTIWATT15 7294 TDA7294

Model: TDA7294V   |    Mpn: TDA7294V   |    PartNumber: TDA7294V   |   Asin: B015VT4DXO

Part NO.:TDA7294V
Package:15-Multiwatt
Description:IC AMP AUDIO 100W AB MULTIWATT15
Supplier:SICSTOCK
Type:Class AB
Output Type:1-Channel (Mono)
Max Output Power x Channels @ Load:100W x 1 @ 8 Ohm
Voltage - Supply: 10 V ~ 40 V
Features:Depop, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type:Through Hole
Supplier Device Package:15-Multiwatt

Features

Brand: SICSTOCK   |   Manufacturer: SICSTOCK

Amazon Price: $6.00 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 1-2 business days
List Price: $6.00

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  #20

Microchip MCP6004-E/P OP-AMP, 1MHZ, 0.6V/ us, 4.5mV, DIP-14 (Pack of 5)

 PartNumber: MCP6004-I/P   |   Asin: B00LPJZ4R4

The Microchip Technology Inc. MCP6004 operational amplifiers (op amps) are specifically designed for general-purpose applications. This MCP6004 has a 1 MHz Gain Bandwidth Product (GBWP) and 90 phase margin (typical). It also maintains 45 phase margin (typical) with a 500 pF capacitive load. This Op Amp operates from a single supply voltage as low as 1.8V, while drawing 100 A (typical) quiescent current. Additionally, the MCP6004 supports rail-to-rail input and output swing, with a common mode input voltage range of VDD + 300 mV to VSS - 300 mV. The MCP6004 is designed with Microchip's advanced CMOS process.

Features

  • Gain Bandwidth Product: 1 MHz (typical)
  • Rail-to-Rail Input/Output
  • Supply Voltage: 1.8V to 6.0V
  • Supply Current: IQ = 100 A (typical)
  • Phase Margin: 90 (typical)
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Brand: MICROCHIP   |   Manufacturer: Microchip

Amazon Price: $3.83 | as of 01/18/2019(10:37am pst)
Availibility: Usually ships in 2-3 business days
List Price: $3.83

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