TWS Bluetooth Speaker 2.1 Stereo TPA3116D2 Amplifier Motherboard Module(One-piece)

1. Energy storage capacitors: 4700ufx2+470uf capacitors with larger capacity and stronger sound2. Film capacitor: better filtering effect, quiet and noiseless, better waveform reproduction3. Larger heat sink for better heat dissipation4. Power amplifier chip: TPA3116D25. Bluetooth version: 5.16. Bluetooth transmission distance: 10m7. Audio input: Bluetooth + AUX8. Audio output: 50W for left channel + 50W for right channel + 100W for subwoofer9. Adaptable power supply: DC12-24V, 7A (not connectable to AC)10. Speaker: left and right channel 20-50W, 4-8 ohms; subwoofer 20-100W, 4-8 ohms11. External leads: 4 x 6P 35cm, 1 x 8P 35cm12. Protection mechanism: over temperature, over current, short circuit, anti-static protection13. Feature function: support Wuzhi Audio APP, modify Bluetooth name, password setting, beep volume adjustment, on/off beep, sleep aid song, firmware upgrade, etc. Pair box function, true wireless function allows two sets of speakers to be combined into a left and right channel pair box, with a stronger sense of spatial positioning14. Dimensions: 100x100x25cm15. Weight: 220g for integrated, 280g for separate