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HDMI Karaoke Mixer Amplifier RAKOIT Metal Surface Portable Digital Stereo Audi

HDMI Karaoke Mixer Amplifier – RAKOIT Metal Surface Portable Digital Stereo Audi. Ultimate HDMI karaoke mixer amplifier solution! Amplify and echo the sound from external microphones to mix with original sound, then transfers the output via HDMI port both including video and sound. Supports 4K2K scaler which can convert 1080P or lower video to 4K2K […]