Dual Channel Karaoke Mixer with Wireless Microphone for Home Theater System KTV Party. Dual UHF Wireless Microphones: Includes 2 handheld microphones with 16 selectable frequency channels for interference-free performance. HD Video and Audio Support: Features HD video input/output with audio return and 3.5mm audio ports for versatile connectivity. DSP Sound Effect Processing: Built-in DSP provides echo, tone control, and vocal cut for crystal clear singing quality. BT Connectivity: Supports BT 5.0 for wireless music streaming and easy connection to mobile devices. Long Operating Range: Delivers reliable signal transmission over 100 feet with ultra-low latency. Wide Application Scenarios: Ideal for home karaoke, parties, weddings, church, teaching, and conference settings. Adjustable Volume Control: Allows independent volume adjustment for both music input and microphone signals. High Performance Audio: Offers sound frequency response from 30Hz to 18KHz with >95dB signal-to-noise ratio.