ReviewsDiy Amplifier Modules

SHCA Clear BASS KNOB with Leads (Blue)

Compact And Powerful:Rca Level Controller Made from high quality materials and metal for optimal signal transfer，Car Audio Amplifier Gain Less Noise and more bass.
Simple Connection:Simply connect the RCA output connector to the car stereo and the input RCA connector to the device, no additional wires are required. With RCA composite cables,this amplifier controller offers high-quality signal transmission.
Unstoppable Music:Rca Level Controller Perfect for Balancing the System to Change Music Styles,Adds subwoof level control to any head unit, While Driving Adjust Can Gain the Amplifier.
Innovative Design:Car Amplifier Universal Bass Remote control Knob,Works with most head unit and amplifier combinations.
Easy installation:Mini size easy to installation by DIY without manual, especially good fit for Car, Motorcycle, Speakers, Home Theater.

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Teyleten Robot SG90 9G Mini Micro Servo Motor for RC Robot RC Mini Servo Helicopter Airplane Boat Controls 5pcs

No-load running speed: 0.09±0.01 seconds/60° at 4.8V rotation angle: 120° stall torque (4.8V): 17.5oz /in (1kg/cm). Amplifier type: analog....
Application areas: robotic arms, micro robots, dinghies, remote control helicopters, various R/C toy Arduino modules and experiments.
Interface type: compatible with JR and Futaba interfaces..

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SHCA Colored BASS KNOB with Leads (Blue)

Simple Connection: the Rca Volume Control RCA output connector to the car stereo and the input RCA connector to the device, no additional wires are required. With RCA composite cables,this amplifier controller offers high-quality signal transmission.Adds subwoof level control to any head unit or balances a multiple amplifier installation.
This RCA amplifier controller offers high-quality signal transmission with RCA composite cables.Made from high quality materials and metal for optimal signal transfer.Adds subwoof level control to any head unit. Perfect for balancing the system to change music style.
Perfect for balancing the system to change music styles, control your sub-woofer output, you can set the subwoofer on maximum gain and then vary the knob to taste as per genre or media good fit for Car, Motorcycle, Speakers, Home.Stereo RCA input and output. Simple in and out connections,no additional wiring needed.Mini size easy to installation by DIY without manuals.
RCA amplifier is control the gain level / volume of devices connected to the car stereo, such as speaker, amplifier, bass, etc. Dash Mount Amplifier Level Control for Volume Adjustment. dash mount rca amplifier level control is used to adjust amplifier gain, power level, stereo, equalizer or....

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DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp),Bluetooth Amp

tpa3116 amplifier 100W Subwoofer Amplifier Board.
Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
tpa3116 2x50w amplifier board Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board..
bluetooth amplifer board DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
Speaker impedance: bass speaker impedance: 2-8 ohm.
You can use a good switching power supply adapter, laptop switching power supply, Here is our 24V power diy amplifier.

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Bluetooth Amplifier Board 25W+25W HF63 Dual Channel Audio Amplifier DC 10-25V Digital Amplifier Module with TDA7492P Chip

High Quality : The amplifier board adopts TDA7492P power amplifier chip, high quality electronic components and military grade PCB board, durable in use..
2 Channel : This board is designed with dual channel output, 25W left channel and 25W right channel, high transmission rate and good sound quality..
Bluetooth Connection : The amplifier board is designed with Bluetooth V2.1 module and power supply reverse connection protection, convenient and safe to use..
Application : This digital amplifier board is suitable for upgrading and refitting the idle sound box and DIY production. It is suitable for speaker of 4Ω, 6Ω, 8Ω, 16Ω (8Ω is the best)..

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16 in 1 Project Super Starter Kits Sensor Modules Kit for Arduino Raspberry for UNO R3 Mega2560 Mega328 Nano Raspberry Pi 3 2 Model B K62 (16 in 1)

THE MOST COMPLETE SMART HOME KIT--This universal kit are compatible for Arduino UNO R3 / Mega2560 / Mega328 /Nano / Raspberry Pi, it could DIY 16 projects according to your need..
Those sensors will often being used in the beginner's project. It is included sound and obstacle avoidance sensor, obstacle avoidance sensor, temperature and humidity sensor, ultrasonic, a path tracing module and infrared human body induction sensor..
This has 16 sensors modules and delicately selected sensors to detect temperature, humidity, sound, light, infrared, motion, flame, vibration, digital touch, air pressure and many other commonly-used sensors modules..
We eliminate many old-fashioned sensors which have low reliability and duplicate function as other sensor in the kit, the UMLIFE modules sensor kits are choosed carefully for our user..
With this kit, we will take you from knowing to utilizing, you are able to do more experiment, get your more idea into real action without the restriction of hardware and software. ❃❃ Any questions, you can contact us and we will give you a satisfied solution..

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Moukey Mini amplifier home audio Bluetooth 5.0 for speakers- 50W 2 Channel Power Audio Receiver FM USB AUX with Remote Control Power Supply for Car Home use Tablets Phones Computers - MAMP2

New Leading Amplifier Chip: Original AC6922A amplifier chip generates unparalleled sound superiority and provides you with high quality and powerful....
Mini But Mighty: This audio amplifier has a very compact size with Dimensions of 4.85"W x3.05"D x1.65"H, which makes it suitable for DIY audio....
Multiple Input Sources: This small stereo amplifier supports AUDIO/ USB / wireless connection. Easily connected to external audio sources such as DVD....
Wireless Connection Mode: The mini amplifier is equipped with wireless connection with 33 ft range. Compatible with today's latest devices, including....
FM Function: A wonderful life is inseparable from the company of the radio. This mini amplifier also supports to be a FM Radio, providing the latest....

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Twotrees TT-2.5W Laser Engraver,Input Power 7500 mW Engraving Machine, 60% Pre-Assembled,DIY Laser Marking,CNC Laser Engraver Kit Laser Engraving Cutting Machine,Working Size:300x400mm(2.5W Laser)

2500mW high intensity laser head, 7.5W Output Power, can engrave different material including wood, plastic, paper, bamboo, ox Horn, leather, sponge paper,etcre motherboard with pins reserved for self-development and matching. Replaceable laser module, can install other modules to get different laser power..
【60% Pre-installed】Fast assembly, save more time. Open structure motherboard with pins reserved for self-development and matching. Replaceable laser module, can install other modules to get different laser power..
【Perfectly compatible system】Use LaserGRBL or LightBurn (It's the most popular paid carving software in the world, very easy to use). Supports Windows XP, 7, 8, 10(Use LaserGRBL), Mac OS, and Linux(Use LightBurn)..
The driver and nano on the motherboard are detachable, can be replaced by other chips or modules.Easy to assemble design,It only connect it to the computer, you can print any pictures your like..
Package includes: 1pcs Laser Engraver DIY Kit Parts ,1pcs Power supply, 1pcs USB cable ,1pcs Safety glasses..

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Universal RCA Level Controller Car Amplifier Audio RCA Amplifier Gain Level Bass Amplifier Volume Control Knob Sub Amp Volume Control Cable for Car, Motorcycle, Speakers, Home Theater(2022 Version)

This RCA amplifier controller offers high-quality signal transmission with RCA composite cables.Made from high quality materials and metal for optimal signal transfer.Adds subwoof level control to any head unit. Perfect for balancing the system to change music style.
Simple Connection: the Rca Volume Control RCA output connector to the car stereo and the input RCA connector to the device, no additional wires are required. With RCA composite cables,this amplifier controller offers high-quality signal transmission.Adds subwoof level control to any head unit or balances a multiple amplifier installation.
RCA amplifier is control the gain level / volume of devices connected to the car stereo, such as speaker, amplifier, bass, etc. Dash Mount Amplifier Level Control for Volume Adjustment. dash mount rca amplifier level control is used to adjust amplifier gain, power level, stereo, equalizer or crossover volume when you driving.
Perfect for balancing the system to change music styles, control your sub-woofer output, you can set the subwoofer on maximum gain and then vary the knob to taste as per genre or media good fit for Car, Motorcycle, Speakers, Home.Stereo RCA input and output. Simple in and out connections,no additional wiring needed.Mini size easy to i....

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Universal RCA Level Controller Car Audio Amplifier RCA Amplifier Audio Adjuster Gain Level Bass Boost Volume Control Knob for Car, Motorcycle, Speakers, Home Theater (1 Pack)

Compact And Powerful:Rca Level Controller Made from high quality materials and metal for optimal signal transfer，Car Audio Amplifier Gain Less Noise and more bass.
Simple Connection:Simply connect the RCA output connector to the car stereo and the input RCA connector to the device, no additional wires are required. With RCA composite cables,this amplifier controller offers high-quality signal transmission.
Unstoppable Music:Rca Level Controller Perfect for Balancing the System to Change Music Styles,Adds subwoof level control to any head unit, While Driving Adjust Can Gain the Amplifier.
Innovative Design:Car Amplifier Universal Bass Remote control Knob,Works with most head unit and amplifier combinations.
Easy installation:Mini size easy to installation by DIY without manual, especially good fit for Car, Motorcycle, Speakers, Home Theater.

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Syongzida Twotrees TT-5.5 Laser Engraver Machine, Laser Cutter Engraving Machine DIY Laser Wood Engraver 300x400mm (20w Input Power& 5.5w Laser Power)(60% Pre-Installed）

【5500mW high intensity laser head】 7.5W Output Power, can engrave different material including wood, plastic, paper, bamboo, ox Horn, leather, sponge paper,etcre motherboard with pins reserved for self-development and matching. Replaceable laser module, can install other modules to get different laser power..
【60% Pre-installed】Fast assembly, save more time. Open structure motherboard with pins reserved for self-development and matching. Replaceable laser module, can install other modules to get different laser power..
【Perfectly compatible system】Use LaserGRBL or LightBurn (It's the most popular paid carving software in the world, very easy to use). Supports Windows XP, 7, 8, 10(Use LaserGRBL), Mac OS, and Linux(Use LightBurn)..
【Ultra-Fine Compression, Upgraded high-performance fixed-focus laser】Engraving can be done without adjusting the focal length.
laser power is 5W-5.5W, ultra-fine laser focal area is reduced to 0.23mm^2, The driver and nano on the motherboard are detachable, can be replaced by other chips or modules.Easy to assemble design,It only connect it to the computer, you can print any pictures your like..
【Package includes】1pcs Laser Engraver DIY Kit Parts ,1pcs Power supply, 1pcs USB cable ,1pcs Safety glasses..

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