Beefy 2.1 Channel Bluetooth Amplifier Board With Subwoofer For Home Theater And Car Audio, Dual 220W Plus 350W Output, 12V 38V Input, TPA3251 Chip, Treble And Bass Control, DIY Audio Module

High-Power 2.1 Channel Bluetooth Amplifier Board with Subwoofer (Single) ✔️ TPA3251 2.1ch amp: 220W×2 + 350W, BT/AUX/USB, 12-38V (Single Unit)

This compact, high-performance 2.1-channel amplifier board is designed to power a subwoofer and stereo speakers in home theater setups, car audio upgrades, or DIY audio projects. Built around the TPA3251 hi‑fi chip, it delivers strong, clear sound across a wide input range for flexible use. Multiple input options, Bluetooth, AUX, and USB drive, make it easy to connect phones, TVs, laptops, and other devices. Color: Black. Pack: Single Unit.

✅ Output power up to 220W x 2 plus 350W sub
✅ Input options: Bluetooth, AUX, USB drive
✅ Tone controls: Treble and Bass knobs
✅ Protection: short-circuit, over-current, over-heat, anti-reverse
✅ Chip: TPA3251 hi-fi solution
✅ Color: Black
✅ Pack: Single Unit

💡 What is a 2.1 channel amplifier board used for? This handy device lets you build or upgrade a sound system with strong output and clarity. - Handy for home theater or car audio projects - Supports Bluetooth, AUX, USB input for easy connectivity - Built-in protection helps prevent damage during setup and use