The Zoom LiveTrak L-20R is a flexible 20-input digital mixer and multi-track recorder. It features 16 mono channels, along with two stereo inputs. Every channel comes equipped with 3-band EQ. The mono channels feature a combo mic/line XLR-¼” inputs, high gain, low-noise microphone preamps, and phantom power. The stereo inputs provide dual ¼” and RCA inputs. Channels one and two also offer Hi-Z inputs for a guitar or another bass instrument. You also have the option to record every channel and the master fader signal up to 22 tracks directly to an SD card. Control this mixer wirelessly through your IOS device by connecting the included Bluetooth transmitter.