Woopker Digital Bluetooth Stereo Amplifier Board Subwoofer Dual Microphone Karaoke for 8-10 Inch Speaker 110V 220V 12V 24V

Feature: ✔ The wireless speaker is equipped with wireless Bluetooth, radio, memory card/USB flash drive and audio mode. Suitable for installing 8-10inch subwoofer or speakers. ✔ Can adjust the high and low frequencies, choose different sound experiences, and enjoy different sound quality. ✔ Compatible with 99% of Bluetooth devices on the market. Support cards, USB flash drives, mobile phones, computers, MP3 and other devices. The amplifier can be connected to a wired microphone. ✔ USB/TF card interface with built-in MP3 player. Download your favorite music to a USB flash drive or TF card, and enjoy your favorite music at any time. Plug-in TF card, USB can be connected to external audio. ✔ After the current flows through the power amplifier IC, 90%~95% is converted into sound signal, and 5%~10% is converted into heat loss, and the sound is clear and comfortable. Low heat generation and long service life. Specification: Fit for: 8-10" subwoofer / speaker Rated power: 25W Working voltage: 9 ~ 28.7V Sound conversion rate: 90% Input voltage: 12V / 24V / 110V / 220V Sound output: mono, can also use tweeter Sensitivity: 200hv Function: Plug-in TF card, USB can be connected to external audio input, with radio function, wireless Bluetooth function, can connect with wired microphone Package Included: 1x power amp board 1x Remote control 1x Speaker cable 1x DC cable 1x Power cord NOTE: Battery Not Included !!!