Compact 2.1-channel digital power amplifier board. Subwoofer power amplifier board with high and low tones. 100W2+200W

Designed with dual TPA3221 amplifier chips, offering high efficiency, low power consumption, excellent sound quality, and comprehensive protection. The IPEX interface is soldered and can be connected to an external BT antenna. Fast and smooth BT 5.2 connection. You can customize sound effects via your mobile device. Made of high-quality materials for long-lasting durability.