TC-Helicon Go Solo, Audio/MIDI Interface, For mobile devices, PCs and Macs, 24-Bit/48 kHz, Built-in microphone preamp (Midas Design), Phantom power: +48 V, Monitoring in real time, Gain control: 0 to +50 dB with clip LED, USB Audio 1.0 Class Compliant, Powered via 2x AA batteries, USB or optional 5V DC 2.5A power supply (not included), For iOS, Android, PC and Mac, Dimensions (W x H x D): 45 x 40 x 128 mm, Weight: 0.28 kg, Includes a MIDI adapter@+*Connectors:*@+@+, Microphone/Instrument input: XLR/6.3 mm jack, Stereo headphone output: 3.5 mm Mini jack, MIDI input and output: 2.5 mm Mini jack, USB