200W Digital Bluetooth Amplifier 12V Board Stereo Heavy Bass Adjustment Professional Dual Microphone Karaoke Amplifiers Speaker Description: Product model: D1OC with display Panel material: iron Product size: 175×80×50mm Output power: 30-120W Support voltage: 220V/12V/24V calling: not supported version: 5.0 FM radio: support music: support Channel: Mono Microphone: support USB: support TF/SD: support Remote control: support Subwoofer adjustment: support Specifications: 1. The new upgrade can be connected to 12V rechargeable lithium battery, with digital tube display. 2. Support reading MP3 songs in TF card and U disk; 3. Support independent adjustment of treble, bass and master volume; 4. Working voltage: AC 220V or DC 12~24V 5. With AUX audio input, can connect to computer, mobile phone or CD 6. Digital power amplifier, output power 30-120W. 7. Dual microphone input, adjustable reverberation; built-in wireless receiver and FM radio. Package Included: 1*Digital Stereo Amplifier Board 1*Remote control 1*Audio Cable 1*DC line 1*Power supply cable undefined