Hosyond YS-S350H TPA3251 2.1 Channel Bluetooth Amplifier 220W×2 + 350W Subwoofer Audio Receiver Class D Amp Board with Bass Treble Control for Home Theater DIY Speakers
【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.
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🖱️ Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
⌨️ How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🖨️ How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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