Gmark GM228 8 Channels Stereo Audio Sound Mixer Karaoke Mixer With USB

Description: Front Panel Description: 1. 1-8 channels, all volume can be controlled separately, can be used as 8CH mono or 4CH stereo; 2. 1-8 microphone/circuit input options; 3. A and B output volume control; 4. Eight mono/four channel stereo options; If using a 9V battery, use a screwdriver to open the bottom battery cover. Load the battery according to the correct polarity. It can also be equipped with a rectifier with one end plugged into a 220V AC power outlet and the other end plugged into a DC9V battery. Turn on and the indicator lights up. If using the MIC input or LINE input, simply pull the A or B switch (MASTER) to MIC or LINE. Adjust the volume as needed. If using LINE stereo or mono input, pull the switch to STEREO or MONO, then pull the MASTER switch to LINE. Product Specifications: Product Name: Karaoke Digital Mixer Sound Power: 150W Input type: 6.5mm interface Maximum input level: + 20dBu Maximum output: + 96dBu Signal to noise ratio: > 90dbu Noise: < - 60 decibels Product size: 28 X 16 X 5cm Packing size: 32 X 20 X 10cm Package Included: 1x Digital Mixer 1xUSB Power Supply 1 x Cable