1. This machine has a 48V phantom power supply system with switch control options to meet the needs of phantom and non-phantom microphone input. When the 48V switch is turned on, the 48V indicator light light up, and the original ordinary wired microphone access is converted to a 48V condenser microphone; 2. output has A and B interfaces, and Fang Bo Ni's customers can use multiple units in series; 3. Each channel has an volume adjusted by a potentiometer, and a level of total volume adjustment is added after mixing, so it can be directly connected to a professional power amplifier without adding any audio amplification equipment; 4. The input end uses XLR and 6.35 universal composite sockets to meet the interface of major audio devices; 5. This machine has 8 single-channel or 4-channel stereo audio inputs, 2 mono or 1 Stereo audio output is more suitable for various musical instruments or microphones that require 48V phantom power supply Power supply mode: AC220V/50Hz Working voltage: 9V-12V Working current: 700MA Microphone connection matching: XLR phantom power supply microphone, ordinary 6.35 wiring microphone Microphone connection method: 8-way XLR female XLR and 6.35 universal composite jack Output connection: 6.35 audio output Function: microphone individual volume, total volume Power: 10W Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage:AC110V Color: B Black Material: ABS Package Contents: 1 * Audio Mixer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.