1. Audio channel: 2.1 channel
2. Bluetooth version: 5.0
3. Audio input: Bluetooth+AUX+U disk+USB sound card
4. Audio output: Left and right channel + subwoofer + 3.5mm interface stereo output
5. Volume adjustment: Encoder knob adjustment, smooth feel
6. Frequency range: 20Hz-30KHz
7. Signal to noise ratio: 92dB
8. Output power: 50W x 2 (left and right channels) + 100W (subwoofer)
9. Left and right channel speakers: 10-100W /4-8 ohm
10. Subwoofer: 20-200W /4-8 ohm
11. Protection mechanism: Static electricity, overcurrent, overheating and short circuit protection
12. Adapter power supply: Above DC 5-26V/10A
13. Function: Support Sinilink APP control
14. Size: About 9.5 x 8.8 x 2.5cm
15. Weight: About 156g

Packing list:
1. Upper cover x 1
2. Bare board x 1
3. Lower cover x 1
4. Knob cap x 6
5. M2x4+3 copper pillar x 4
6. M2x3 screw x 8
7. M2x18 copper pillar x 4
8. Heat sink x 1
9. Thermally conductive silicone paste x 1