Special Features

【Powerful 2.1 Channel Output】 The S350H professional-grade amplifier board delivers an impressive 220W × 2 (Left/Right) and 350W (Subwoofer) output with Hi-Res Audio performance. Enjoy crystal-clear highs, rich mids, and deep, powerful bass — perfect for home theaters, car audio systems, or DIY speaker builds.
【Multiple Input Options】 Featuring versatile input modes — Bluetooth 5.1 / AUX / USB Drive / USB DAC — this TPA3251 amplifier board ensures seamless connectivity with a wide range of devices. The high-current DC 18–38V / 10A+ power supply provides stable, distortion-free performance even under heavy loads.
【Precise Multi-Knob Control】 Equipped with five independent control knobs (Bass, Treble, Subwoofer, Volume, Balance), you can fine-tune your sound exactly the way you like. Create detailed, immersive soundscapes and deep, thunderous bass for a truly customized listening experience.
【Safe and Durable Design】 Built with six comprehensive protection systems (over-voltage, over-current, over-temperature, short-circuit, DC, and thermal protection) inside a sturdy aluminum alloy enclosure, ensuring long-term reliability and safety in every application.
【Reliable Support & Easy Setup】 This all-in-one wireless amplifier combines professional performance with plug-and-play Bluetooth convenience. Ideal for speakers, cars, or home audio systems. We're committed to your satisfaction — contact us anytime with questions or feedback.