iK Multimedia iRig Pro Quattro Portable 4×2 Audio and MIDI Interface Ik Multimedia

Built-in microphone

• Type: MEMS
• Polar pattern: omnidirectional
• Frequency response: from 30 Hz to 20 kHz
• Max SPL: 110 dBSPL
• Sensitivity: -41.5 dB (1 kHz, 94dB SPL)

Instrument Inputs 1-2

• 2 x unbalanced, Hi-Z, TS 1/4” Jack, Tip: signal / Shield: ground
• Input impedance: 1 MOhms
• Input level, min gain: 0 dBFS is obtained with a +10 dBu signal at the TS input
• Input level, max gain: 0 dBFS is obtained with a -43 dBu signal at the TS input
• Frequency response: from 7 Hz to 46 kHz within 3 dB (96 kHz sample rate), min gain
• Dynamic range: 103 dB(A), min gain

Microphone Inputs 3-4

• 2 x balanced, XLR. Pin 2: hot / Pin 3: cold / Pin 1: ground
• Input impedance: 1 kOhms
• Input level, min gain: 0 dBFS is obtained with a -3 dBu signal at the XLR input
• Input level, max gain: 0 dBFS is obtained with a -54 dBu signal at the XLR input
• Frequency response: from 10 Hz to 46 kHz within 3 dB (96 kHz sample rate), min gain
• Dynamic range: 101 dB(A), min gain
• Phantom power: 48V / -4V

Line Inputs 3-4 (balanced)

• 2 x balanced, XLR. Pin 2: hot / Pin 3: cold / Pin 1: ground
• Input impedance: 1 kOhms
• Input level, min gain: 0 dBFS is obtained with a -3 dBu signal at the XLR input
• Input level, max gain: 0 dBFS is obtained with a -54 dBu signal at the XLR input
• Frequency response: from 10 Hz to 46 kHz within 3 dB (96 kHz sample rate), min gain
• Dynamic range: 101 dB(A), min gain
• Phantom power: 48V / -4V

Line Inputs 3-4 (unbalanced)

• Unbalanced, TRS 3.5 mm stereo Jack and RCA
• Input impedance: 2.1 kOhms
• Nominal input level: -3.5 dBV (-10 dBV with 6.5 dB of headroom)
• Frequency response: from 16 Hz to 46 kHz within 3 dB (96 kHz sample rate)
• Dynamic range: 93 dB(A)

Line Outputs (balanced)

• 2 x balanced, 3-pin XLR, Pin 2: hot / Pin 3: cold / Pin 1: ground
• Floating balanced outputs with automatic level compensation when working in unbalanced mode
• Output impedance: 150 Ohms balanced
• Output level: 0 dBFS corresponds to +12 dBu
• Frequency response: from 5 Hz to 44 kHz within 3 dB (96 kHz sample rate)
• Dynamic range: 100 dB(A)
• Channels crosstalk: 88 dB(A)

Stereo Output (unbalanced)

• Unbalanced, TRS 3.5 mm stereo Jack
• Output impedance: 150 Ohms balanced
• Output level: 0 dBFS corresponds to +12 dBu
• Frequency response: from 5 Hz to 44 kHz within 3 dB (96 kHz sample rate)
• Dynamic range: 100 dB(A)
• Channels crosstalk: 88 dB(A)

Headphones Output

• TRS 3.5 mm stereo Jack
• Output impedance: 22 Ohm
• Output level: 26 mW/channel (32 Ohm load)
• Frequency response: from 15 Hz to 44 kHz within 3 dB (96 kHz sample rate)
• Dynamic range: 100 dB(A)

Common

• AD and DA Resolution: 24-bit
• Sampling Rate: 44.1 kHz, 48 kHz, 88.2 kHz and 96 kHz
• Power: USB bus power, battery power (4 x AA), DC power supply (9VDC) 
• Device Connection: Mini-DIN
• Size: 166 mm / 6.54″ x 92 mm / 3.62″ x 43 mm / 1.69″
• Weight: 325 g / 0.72 lb (batteries excluded)
• Battery Life:
  • Recording – Max load*: 1 hours, 30 minutes (Alkaline); 3 hours (NiMH rechargeable)
  • Playback – Min load**: 2 hours, 30 minutes (Alkaline); 4 hours (NiMH rechargeable)

*Max load condition: four inputs connected each to a 1.6mA phantom powered load, input gains set to maximum, 32 Ohm headphones connected.
**Min load condition is as follows: music playing, phantom power OFF, 32 Ohm headphones connected.

Dimensions

• Size: 166 mm / 6.54″ x 92 mm / 3.62″ x 43 mm / 1.69″
• Weight: 325 g / 0.72 lb (batteries excluded)