ZK AS21 Bluetooth Amplifier Board Dual Channel TPA3255 Chip 220Wx2 Plus 350W Sound Power Amplifier Module 16‑38V

Feature: 1. TPA3255 HIFI Chip: ZK AS21 amplifier board adopts two TPA3255 amplifier chips. It supports 16‑38V wide voltage input, maximum power 220Wx2 plus 350W (PMPO). 2. Treble And Bass Controls: Bluetooth amplifier board is designed with high frequency and low frequency knobs for easy control, making the sound more layered and the bass more powerful. 3. High Compatibility: DC adapter (plug size 5.5mmx2.1mm) on the market can basically meet the demand. If you don t have a DC plug, you can also connect the positive and negative poles of the cord directly to the power socket of the amplifier board. 4. Guard Function: The Bluetooth power amplifier board has various guard mechanisms including short circuit, under voltage, over voltage and clipping guard to ensure its safe operation. 5. Other Functions: This sound power amplifier module also supports APP control, you can modify the Bluetooth name, set the Bluetooth password, and turn off the prompt sound. Specification: Item Type: BT Amplifier Board Material: PCB, Aluminum Alloy BT: 5.1 Support: BT, AUX, USB Number of Channels: Left and Right Dual Channel Output Power: 220W x 2 Plus 350W Special Functions: Support APP Control, Modify BT Name, Set BT Password, Turn Off Prompt Sound. Package List: 1 x BT Amplifier Board2 x Shell 13 x Screw4 x Stud5 x Knob 1 x Screwdriver