IK Multimedia iRig Pro Duo I/O, Audio interface for iPhone, iPad, Android, Mac and PC, Very compact design for portable use, 2 Combined mic / instrument inputs via combination jacks, 2 High-quality microphone preamplifiers with individually adjustable gain and phantom power, 2 Balanced line outputs, Headphone output with volume control on 3.5 mm stereo mini jack, Switchable direct monitoring, AD / DA conversion with 24 bit / 48 kHz, MIDI in / out, USB powered, 9 Volt power supply (optional) or batteries (2x AA), Microphone inputs: 2x XLR balanced, Phantom power: + 48V +/- 4V, 50 dB gain, Impedance 3.2 kOhm, Frequency range: 20 - 20000 Hz, Noise level -103 dB (A), Instrument inputs: 2x 6.3 mm jack unbalanced, Gain: 27 dB, Impedance 1 MOhm, Frequency range: 5 - 21000 Hz, Noise level -104 dB (A), Line outputs: 2x 6.3 mm jack balanced, max. Output level: 16 dBu / 600 ohms, Frequency range: 10 - 21000 Hz, Dynamic range: 106 dB (A), MIDI input and output: 2x 2.5 mm mono jack, Power supply connection 9 V DC 500 mA, Device connection mini-DIN, Dimensions: 127 x 75 x 37 mm, Weight: 197g without batteries, System requirements: iOS 7.0, iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7 Plus, iPhone 7, iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone 5s, iPad Pro 10.5-inch, iPad Pro 12.9-inch (2nd generation), iPad Pro 9.7-inch, iPad Pro 12.9-inch (1st generation), iPad Air 2, iPad Air, iPad mini 4, iPad mini 3, iPad mini 2, iPad (6th generation), iPad (5th generation), iPod touch (6th generation), from Android 5 on devices with USB digital audio functions, from Win7, from Mac OS X 10.6@+*Scope of delivery:*@+@+, iRig Pro Duo, Lightning on mini DIN cable 0.6 m, USB-C on mini-DIN cable 0.6 m, USB to mini-DIN cable 0.6 m, 2 x 2.5mm jack on MIDI cable 0.1 m, 2 x 1.5 V AA batteries, AmpliTube 4 and AmpliTube 5 SE