Three-channel USB microphone and instrument mix. This device serves as a compact, versatile audio interface for a computer that converts analog signals from various sources to USB audio. The top panel has a balanced XLR input, an unbalanced 6.35 mm instrument input with switchable impedance, a balanced 6.35 TRS input for stereo or mono line sources, a 6.35 TRS output and a 6.35 TRS headphone output with independent volume control on the output monitoring. The frequency response is 20 Hz to 20 kHz. Dimensions: 41 x 101 x 121 mm. Weight: 0.5 kg.