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ZK-AS21P 2.1 Bluetooth Amplifier Board, Lead Type Dual TPA3255 design with 300W x 2 stereo output, 600W subwoofer channel, AUX, USB and wired knob controls
- 2.1 CHANNEL BLUETOOTH AMPLIFIER BOARD: The ZK-AS21P Bluetooth amplifier board supports left and right stereo channels plus subwoofer output for DIY speaker systems, home audio projects, and active subwoofer expansion. 2 x TPA3255 CLASS D AMP CHIP: The home audio amplifier board uses dual TPA3255 chips with a stereo and subwoofer output design. Output power depends on input voltage, speaker impedance, power supply current, and heat dissipation conditions. BLUETOOTH AUX USB AUDIO INPUTS: The audio amplifier board supports Bluetooth, 3.5mm AUX line input, and USB sound card input for flexible music playback. It is suitable for DIY home speakers, TV audio setups, and desktop audio projects. IMPORTANT INSTALLATION NOTES: Extra expansion boards, microphone preamp boards, pure power amplifier boards, speakers, and power supply are not included. Do not reverse the positive and negative terminals. Use a suitable protected power supply and keep the board well ventilated
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2.1
CHANNEL BLUETOOTH AMPLIFIER BOARD: The ZK-AS21P Bluetooth amplifier board supports left and right stereo channels plus subwoofer output for DIY speaker systems, home audio projects, and active subwoofer expansion. 2 x
TPA3255 CLASS D AMP CHIP: The home audio amplifier board uses dual TPA3255 chips with a stereo and subwoofer output design. Output power depends on input voltage, speaker impedance, power supply current, and heat dissipation conditions. BLUETOOTH AUX
USB AUDIO INPUTS: The audio amplifier board supports Bluetooth, 3.5 mm AUX line input, and USB sound card input for flexible music playback. It is suitable for DIY home speakers, TV audio setups, and desktop audio projects.
IMPORTANT INSTALLATION NOTES: Extra expansion boards, microphone preamp boards, pure power amplifier boards, speakers, and power supply are not included. Do not reverse the positive and negative terminals. Use a suitable protected power supply and keep the board well ventilated
CHANNEL BLUETOOTH AMPLIFIER BOARD: The ZK-AS21P Bluetooth amplifier board supports left and right stereo channels plus subwoofer output for DIY speaker systems, home audio projects, and active subwoofer expansion. 2 x
TPA3255 CLASS D AMP CHIP: The home audio amplifier board uses dual TPA3255 chips with a stereo and subwoofer output design. Output power depends on input voltage, speaker impedance, power supply current, and heat dissipation conditions. BLUETOOTH AUX
USB AUDIO INPUTS: The audio amplifier board supports Bluetooth, 3.5 mm AUX line input, and USB sound card input for flexible music playback. It is suitable for DIY home speakers, TV audio setups, and desktop audio projects.
IMPORTANT INSTALLATION NOTES: Extra expansion boards, microphone preamp boards, pure power amplifier boards, speakers, and power supply are not included. Do not reverse the positive and negative terminals. Use a suitable protected power supply and keep the board well ventilated
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by HeYuan Shop Return Policy
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