220W 12V 24V Power Bluetooth Wireless TP3251 Stereo Audio Amplifier Board Treble and Bass Control Subwoofer

Characteristics
1. TPA3251D2 power amplifier chip scheme is adopted: TPA3251D2 is a high-performance class-D power amplifier, which has class-D efficiency and can deliver true high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction (pure path TM HD). This technology can make the device maintain extremely low distortion across the entire audio frequency band and display high-definition sound quality at the same time.
2. Bluetooth compatible 5.1 audio power amplifier module: 2.1 dual-channel stereo output, output power 220W * 2 (left and right channels) + 350W (subwoofer), pure HiFi sound quality. The highs are pure and transparent, the midrange is delicate and delicate, and the bass is impetuous and shocking.
3. Classic appearance multi-functional main knob: The main knob adopts a rotary encoder used only in high-end power amplifier to realize 360-degree continuous tuning. It feels smooth, one key start and stop, long press to start and stop, and the operation is simple and convenient.
4. Support mobile app control: Update Sini link app again; Support modify Bluetooth compatible name; Set Bluetooth compatible password; Tone off/on
5. Audio input supported: Compatible with Bluetooth 5.1, AUX, USB sound card, USB flash disk
6. Heat dissipation mechanism: Heat sink + fan for heat dissipation, safe and worry-free. Large area aluminum alloy heat sink with special shape structure and fan bracket are adopted to reduce the temperature and effectively ensure the full power operation of the product
Specifications
1. Power supply: Above DC12-38V/10A
2. Bluetooth version: 5.1
3. Audio channel: 2.1 channel
4. Audio input: Compatible with Bluetooth + AUX + USB flash disk + USB sound card
5. Audio output: left and right channels + subwoofer
6. Frequency range: 20Hz -- 20KHz
7. Volume adjustment: encoder knob adjustment, smooth feeling
8. Left and right channel output power:
- 220W/3ohm--36VDC
- 175W/4ohm--36VDC
- 100W/8ohm--36VDC
9. Subwoofer output power:
- 355W/2ohm--36VDC
- 250W/3ohm--36VDC
- 195W/4ohm-36VDC
10. Protection mechanism: overvoltage, undervoltage, clipping, short circuit, overheating and other protections
11. Unique functions: Support sinlink app, edit Bluetooth compatible name, set Bluetooth compatible password and turn off/on the beep
12. Product Dimensions: 130mm x 116mm x 27mm