Microphone Inputs 1-2 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 -1.5 dBu signal at the XLR input Input level, max gain: 0 dBFS is obtained with a -55 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: 103 dB(A), min gain Phantom power: 48V / -4V 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) or external USB power supply (5VDC, 1A min) 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 hour, 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 x 92 mm x 43 mm Weight: 325 g (batteries excluded) Package includes iRig Pro Quattro I/O interface 1/4" thread adapter Lightning to Mini-DIN connection cable (60cm/23.62") USB-C to Mini-DIN connection cable (60cm/23.62") USB-A to Mini-DIN connection cable (60cm/23.62") 1x 2.5mm TRS male to MIDI female adapter (10cm/3.9") 4 x 1.5V AA Battery 2 x iRig Mic XY Windshield Power Supply Unit Carrying case