Brief: Discover the ZK-AS21 2.1 Channel Digital Power Amplifier Board Module with TPA3255 Chip, delivering 220W*2+350W high and low tone subwoofer performance. Perfect for Bluetooth speaker audio amplification, this module operates at 18V-36V for superior home audio experiences.
Related Product Features:
High-power output with 220W*2+350W for robust audio performance.