Product description
Bluetooth+AUX audio input,Subwoofer Stereo Output2.1 channel stereo output, just a little sound distortion.Bluetooth stereo amplifier receiver board is the perfect solution for all of your audio needs!Add quality sound performance to your speakers with compact amplifier style.Deliver clear, accurate sound and subwoofer playback features.
AM interference suppression function,shielding power inductance.Low noise front stage operational amplifier.Extraordinary clarity Hi-Fi soundYou will be enjoy a more perfect sound quality experience.
Notice: Adequate output power is required when the audio input is sufficient
and the power supply voltage/current is sufficient.
the relative power will be higher. Different impedance horns will have different output power.
In the case of sufficient voltage and current,
the larger the impedance horn, the smaller the relative sound power.
About ARRAROWN
We are committed to providing buyers with high-quality goods and diverse choices, finding their hobbies, enriching their leisure life, including power audio amplifier modules, toys, model aircraft tools and accessories and other goods.
HiFi 2.1 Channel bluetooth audio amplifier module
Audio amplifier board with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection.Use occasion: This 200W dual-channel bluetooth audio amplifier board is widely use indoor and outdoor, such as family, party, bar, band, concert,carnival etc.
Version: Bluetooth 5.0 (10 meters if unobstructed) Product model：ZK-TB21 Chip: 2 x TPA3116D2 (AM interference suppression function) Adapted speaker: 20-100W,4-8Ω Power Range: DC12-24V/ above 5A (High power recommended high voltage) Output Power: 50W*2 @R&L channel Max100W@Subwoofer Input Sensitivity: 500mV Working Voltage: DC 9-24V(Recommended Above 12V/5A)
With dual TPA3116D2 chips
TPA3116 D2 Is A Class D Power Amplifier IC, with AM interference suppression function ,the highest modulation frequency can reach 1.2MHZ, and the high-power output distortion is less than 0.1%
Bluetooth 5.0 Input
Supports instant setup with phones, tablets, and almost any other Bluetooth-enabled device. QCC3003 chip ensures your devices maintain a strong, stable connection up to 50 Ft away.
Independent Treble & Bass Control
You can try treble & bass control knob on the AMP module, to control your speakers. It is very simple and convenient to use,You can adjust the most comfortable volume that you want.
ZK-TB21 Package List
1 x Audio amplifier module with 3 buttons 2 x Shell 3 x Button 4 x Gold Nut 4 x Gold Screw 8 x Black Screw 1 x Screwdriver
Stereo AMP Module for DIY Speakers
Easy to install
The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions.
Insure Enough Power Output
Only when the audio input is sufficient and the power supply voltage/current input is sufficient, can there be enough power output.
The power of the adapted power supply should greater than the actual working power of the AMP to ensure the maximum output power, the higher the power supply voltage, the greater the output power.
Best gift for Amplifier enthusiast
Bring more fun to you and your friends.
Notice:
The smaller the impedance of the speaker, the greater the output power. we recommended to use a 4Ω speaker.
Subwoofer Audio Amplifier Board: 50W+50W+100W Bluetooth 5.0 wireless connection, Bluetooth+AUX audio input, 2.1 channel stereo output, just a little sound distortion. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected;
Treble and Bass Adjustment: This digital Amp board with independent treble and bass adjustment buttons,you can directly adjust the treble and bass through the module, without using the player or speaker;
Perfect Sound Quality Experience: The audio power subwoofer amplifier module with powerful chip, AM interference suppression function, shielding power inductance, low noise front stage operational amplifier, let you enjoy a more perfect sound quality experience;
With Protective Function: This Bluetooth Amp module is designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it;
Easy Installation and Use: The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Small size: 4.72 in*3.94 in*0.7 in, easy to carry;
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Price: $26.98
(as of Jun 04, 2026 05:28:29 UTC – Details)
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