Feature: 1. Multi Usage: The mixer is capable of mixing signals from CD player, musical instrument, portable recording device, video playback device, and etc. 2. 4 Input 1 Output: With 1 main output volume knob and 4 independent input volume knobs, the 4 inputs do not interfere with each other. 3. Good Sound Quality: The mixer with excellent performance can provide the highest sound quality even at maximum output levels. 4. Passive Circuit Design: The passive circuit design of the mixer will not add or subtract audio signal, outputs stably. 5. Small and Portable: The mixer is compact in size, and can easy to carry around, adopts premium shell, sturdy and durable. Specification: Item Type: Audio Mixer Material: Acrylic, Metal Colour: Black. Package List: 1 x Audio Mixer1 x Manual