DHRUVPRO ZK-AS21 220W*2+350W 2.1 Bluetooth Power Amplifier Board with TPA3255 Chip, 18V-36V Bluetooth Speaker Audio Amplifier Module

【TPA3255 HIFI CHIP】The ZK-AS21 power amplifier board uses two TPA3255 power amplifier chips.Reinforce wide voltage input:18-36V, power up to 220W*2+350W (PMPO).
【TREBLE & BASS CONTROL】In case you are tired of an amplifier with only one volume knob, then you are feeling right, because you have further requirements for audio. By adjusting the high and low frequency knobs of the ZK-AS21 power amplifier board, you’ll make the sound more layered and make the bass more shocking.
【HIGH COMPATIBILITY】The DC adapters available on the market (plug size 5.5mm*2.1mm) can basically meet the needs of the XY-S350H Bluetooth power amplifier board. If you shouldn’t have a DC plug, please do not fret, you’ll also directly connect the positive and negative poles of the wire to the power socket of the amplifier board.
【PROTECTION FUNCTION】ZK-AS21 Bluetooth power amplifier board has a couple of protection mechanisms to make sure its secure operation. With short circuit protection, undervoltage protection, overvoltage protection, clipping protection.
【7 * 24 Hours After-sales Service】 Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer