Ultra-compact Low Noise 8 Channels Metal Mono Stereo Audio Sound Mixer with Power Adapter Cable

Features:
Audio mixer with 8 channels input and 2 channels output. 
Each input channel can be adjusted volume individually. 
With 2 master volume knobs for controlling the output volume. 
Support MIC or LINE(4ch stereo & 8ch mono) input by adjusting switches. 
Compact size and metal shell, lightweight and durable. 
Dual power supply: power adapter(Included) and 9V battery(Not included).  

Specifications:
Color: Black; 
Material: Metal; 
Input: 6.35mm Interface; 
Output: 6.35mm Interface; 
Item Size: 15 * 10 * 6cm / 5.9 * 3.9 * 2.4in; 
Item Weight: 705g / 1.6lb;  

Note:
The battery is not included. 
You need to open the bottom cover with a screw to install battery.  

Package List:
1 * Mixer; 
1 * Power Adapter; 
1 * Cable