Asmuse 4 Channel Audio Mixer, Low Noise Mini Stereo Line Mixer, DC 5V Power Mixer, Guitar, Microphone, Keyboard Mixer.

[4-Channel Line] Heavy-duty metal enclosure construction stereo mixer and knobs can be firmly adjusted. A simple LED lights up when the 4-channel mixer is powered on. The small size fits snugly above your keyboard and allows you to quickly and easily adjust your monitor mix. [Independent Control] Each channel of the linear mixer has an independent input plug and volume control. "Input 5/6" and "7/8" can be configured as stereo or mono inputs. This portable audio mixer not only mixes signals from multiple devices, but also has stereo/mono signals. [Low Noise Mixer] The streaming audio mixer uses a chip specially designed for audio processing. It delivers the best acoustic quality at all output levels and boasts ultra-low noise operation, delivering outstanding audio performance. [Easy Setup] The line mixer is ideal for multi-keyboard setups and recordings where multiple channels need to be mixed into one track. It's perfect for keyboards, small setups, drum kits, or submixes before going into the main mixer. The modern design looks great on any desktop. The large controls are easy to use and the low profile prevents them from hanging off wires, clothing, etc.