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Third Generation 2.1 Channel Bluetooth Power Amplifier Board B

<div>Welcome to our store! We hope you have a wonderful shopping experience!</div>

<ul><li>Product name: 2.1 channel Bluetooth audio amplifier module 
Product model: ZK-HT21 3G 
Bluetooth version: 5.0 (unobstructed, 15 meters) 
Input method: AUX + Bluetooth + USB (wheel button to switch modes and songs) 
Number of channels: 2.1 channels (left channel + right channel + subwoofer) Power amplifier chip: TDA7498E 
Adaptable power supply: DC 15~36V (less than 9V undervoltage protection, also supports 12V power supply) Adaptable speaker: 30-200W, 4-8Ω 
Output power: left and right channels Less than 160W 
Subwoofer Less than 220W 
Protection mechanism: Anti-reverse connection, under-voltage, overheating, over-current, short-circuit protection 
Product weight: One-piece net weight 344g, including packaging 393g Net weight of lead-out potentiometer 270g, including packaging 337g 
Tip: Only when the audio signal input is large enough and the power supply voltage/current is large enough, will there be sufficient output power! 
The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power! Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier! 
Type: B: three generations of one 
Colour:Black 
Material:ABS 
Size:145x126x28mm 
Package Contents: 
1x Bluetooth power amplifier module 
Only the above package content, other products are not included. 
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</li></ul>

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Product name: 2.1 channel Bluetooth audio amplifier module 
Product model: ZK-HT21 3G 
Bluetooth version: 5.0 (unobstructed, 15 meters) 
Input method: AUX + Bluetooth + USB (wheel button to switch modes and songs) 
Number of channels: 2.1 channels (left channel + right channel + subwoofer) Power amplifier chip: TDA7498E 
Adaptable power supply: DC 15~36V (less than 9V undervoltage protection, also supports 12V power supply) Adaptable speaker: 30-200W, 4-8Ω 
Output power: left and right channels Less than 160W 
Subwoofer Less than 220W 
Protection mechanism: Anti-reverse connection, under-voltage, overheating, over-current, short-circuit protection 
Product weight: One-piece net weight 344g, including packaging 393g Net weight of lead-out potentiometer 270g, including packaging 337g 
Tip: Only when the audio signal input is large enough and the power supply voltage/current is large enough, will there be sufficient output power! 
The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power! Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier! 
Type: B: three generations of one 
Colour:Black 
Material:ABS 
Size:145x126x28mm 
Package Contents: 
1x Bluetooth power amplifier module 
Only the above package content, other products are not included. 
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Third Generation 2.1 Channel Bluetooth Power Amplifier Board B

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