220V 12V 24V Subwoofer Decoder Board Speaker Amplifier Board Motherboard
Feature:
Small size high powerRated power: 30WSupport 12V-24V DCSupport 110V-220V ACWith line inputs， can connect a computer or mobile phone and other external audioBluetooth 4.0 (Note need to insert the Bluetooth adapter， adapter is not included)
Package included:
1 x Amplifier Board

1. The external audio input， you can access MP3， cell phones， computers， etc.2. USB interface， you can external connect U disk， card readers or Bluetooth stick3. T_Flash card slot (phone small card) Format: FAT32 MP3 4G or less4. External remote control (optional remote extension cable to increase the remote distance and angle)5. Prev song， next song， play， pause， volume， multi-purpose combination6. Power switch 220V available， use the car keys to control7. Indicator8. IR remote control receiver， be careful not to obstruct9. Respectively， bass， treble， volume knob10. Treble output (can only connect treble)11. DC power supply (for vehicle)12. The AC outlet