200W Digital Bluetooth Stereo Amplifier Board for 8 - 12 Inch Speakers, AC 220V, 12V/24V, with Dual Microphone for Karaoke 200W AC 220V 12V 24V Digital Bluetooth Stereo Amplifier Board Subwoofer Dual Microphone Karaoke Amplifiers For 8-12 Inch Speaker Type: Power AMP Board Model: D100 Bluetooth Version: 5.0 Audio Channel: 1.0 Rated impedance: 4-8 Rated Power: 100W Battery of Remote: CR2025 x1(Not Included!) FM frequency :87.5 ~ 108 MHz Feature: FM Radio / Treble / Bass Voltage: AC 220V, DC 12V/24V Input: Bluetooth/3.5mm AUX/U-Disk/TF/6.5mm MIC Bluetooth distance 15m With 80W amplifier Support external audio input LINE IN Feature: - Support reading and play the MP3 songs in TF-card and U-disk. - Support independent adjustment of treble, bass and master volume. - With AUX Audio input, can be connected to PC, Phone, TV or DVD. - Dual Mic input, adjustable reverb, with Bluetooth and FM radio. - Support Wired Mic and Wireless Microphone Board(not included). Package includes: 1xAmplifier Board 1XAC Power Cable 1X Audio Cable 1XRemote Control(Battery not included)