【220W*2+350W】This S350H high quality amplifier board with Professional 2.1 Channel Amplifier delivers powerful 220W×2 (L/R) + 350W (subwoofer) output, Hi-Res Audio,supporting multiple speaker configurations.
【Versatile inputs】 This TPA3251 Amplifier with Multi-Input, Bluetooth/AUX/ USB Drive/USB DAC. High-current DC18-38V/10A+ power supply ensures stable performance even at peak loads, making it ideal for demanding audio applications.
【Multi-Knob Control】This compact amplifier board integrates 5 professional-grade control knobs (bass/treble/ subwoofer/ volume/balance) for precise audio tuning, delivering crystal-clear layered soundscapes and powerful earth-shaking bass - perfect for DIY speaker projects, home theater upgrades, and car audio systems.
【Six Protection】Engineered for reliability, it includes six protection systems (over-voltage/current/heat, etc.) in an aluminum case, making it ideal for DIY audio projects.
【Customer Support】A complete wireless audio solution that combines pro-grade amplification with plug-and-play Bluetooth 5.1 convenience for speakers, car audio, or home systems.Your satisfaction is our priority. Contact us with any questions, suggestions, or product issues.
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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