A compact 4-in-1-out line mixer equipped with level controls for each channel. Ultra-low noise, active design. Specifications ■ 4-channel line mixer ■ Line Input: ・Type: 6.3mm mono jack (TS phone) ・Impedance: Minimum 4.7kohms ・Maximum input level: +16dBu ■ Output: ・Type: 6.3mm mono jack (TS phone) ・Impedance: Approximately 80 ohms ・Maximum output level: +16dBu ■ Power supply: External power adapter: 12V/150mA ■ Dimensions: Approximately 46.5mm x 57.2mm x 103.6mm ■ Weight: Approximately 190g ■ Power adapter (DC12V center positive, inner diameter 2.5mm) included ■ This compact 4-channel line mixer is a multi-application device that packs great performance into a small body. It maintains maximum sound quality regardless of volume, and the ultra-low noise 4580 op-amp delivers excellent audio performance. The MX400 is highly effective as an extension to a standard-sized mixer, such as a sub-mixer. If you need more channels on your main mixer and want to incorporate three keyboards into the mix, connect this MX400. It has a cute, button-like design, but it will be a mainstay that supports your performance. ※ This product is a line-level mixer. It cannot be used by directly connecting a microphone. ※ Mono input, mono output.