Microphone Input: balanced female 3-pin, XLR. Pin 2: hot / Pin 3: cold / Pin 1: ground
Microphone Input Level: from 6 mVpp to 1.4 Vpp
Microphone Input Impedance: 3.2 kOhms
Gain Range: 46 dB
Phantom Power: +48V ± 4V
Frequency Response: 20 Hz – 20 kHz +/-1.5dB
Input Noise: -100 dB RMS
Instrument Input

Instrument Input: unbalanced, Hi-Z, TS 1/4 Jack, Tip: signal / Shield: ground
Instrument Input Level: from 30 mVpp to 6.9 Vpp
Instrument Input Impedance: 1 MOhms
Gain Range: 27 dB
Frequency Response: 20 Hz – 20 kHz +/-1.5dB
Input Noise: -100 dB RMS

Line Outputs: 2x balanced, TRS 1/4? Jack, Tip: hot / Ring: cold / Shield: ground
Floating Balanced Outputs with automatic level compensation when working in unbalanced mode
Maximum Output Level: +13 dBu into 600 Ohms balanced load
Frequency Response: from 10 Hz to 21 kHz (+/- 0.2dB)
Output Dynamic Range: 102 dB(A)
Output Impedance: 150 Ohms balanced

Connector: 1/8″ TRS Jack. Tip: right / Ring: left / Shield: ground
Headphone Level Power 100mW into 50 Ohms

DC barrel: 1x DC barrel. For power and device charging.
Device Connector: mini-DIN
External Pedal Input: 1/4″ TRS Jack

Conversion: 16 or 24-bit A/D – D/A
Sampling Rate: 44.1 kHz, 48 kHz, 88.2 kHz and 96 kHz

USB bus powered when used with a computer 
Battery powered (4xAA included) when used with an iOS device 
DC power supply (not included, iRig PSU 3A sold separately)*

Keys: 49 full-size keys with velocity
8 velocity-sensitive multi color assignable pads

Slider strips for pitch and modulation (user programmable)
Octave, program change and transport
5 programmable touch sensitive encoders

Package includes

iRig Keys I/O 49 or 25 keyboard (depending on the version)
Lightning to Mini-DIN connection cable (60cm/23.62″)
USB to Mini-DI