Focusrite Scarlett 2i4

SPECIFICATIONS

Performance Specifications
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Real World ADC Dynamic Range: 105 dB ‘A’-weighted
Real World DAC Dynamic Range: 105 dB (Outputs 1 & 2); 102 dB (Outputs 3 & 4), ‘A’-weighted
Chipset ADC/DAC DNR: 114 dB ‘A’-weighted

Microphone Inputs
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Dynamic Range: 105 dB, ‘A’-weighted
Signal-to-Noise Ratio: 105 dB, ‘A’-weighted
Frequency Response: 20 Hz – 20 kHz, ±0.1 dB
THD+N: 0.002% (at -1 dBFS, 1 kHz, 20 Hz – 22 kHz filter)
Noise EIN: <-120 dBu (at 50 dB gain, 150 Ω input termination, 20 Hz – 22 kHz)
Maximum Input Level: 3.5 dBu (at minimum gain for 0 dBFS, no pad)
Pad: ~10 dB

Line Inputs
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Dynamic Range: 105 dB, ‘A’-weighted
Signal-to-Noise Ratio: 105 dB, ‘A’-weighted
Frequency Response: 20 Hz – 20 kHz, ±0.1 dB
THD+N: 26 dBu at 1% THD+N
Gain Range: -10 dB to +35 dB
Pad: ~10 dB

Instrument Inputs
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Dynamic Range: 105 dB, ‘A’-weighted
Signal-to-Noise Ratio: 105 dB, ‘A’-weighted
Frequency Response: 20 Hz – 20 kHz, ±0.1 dB
THD+N: 24 Ω

Additional DSP Performance
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Clock Jitter: <250 ps
Supported Sample Rates: 44.1, 48, 88.2, 96 kHz

Physical and Electrical Characteristics
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Analogue Inputs 1 & 2
Connectors: Neutrik XLR Combo: Mic/Line/Inst (Inputs 1-2) on front panel
Mic/Line Switching: Automatic
Line/Instrument Switching: 2 x front panel switches
Pad: 10 dB attenuation
Phantom Power: Shared +48 V phantom power switch for inputs 1 & 2 (XLR connections only)

Analogue Outputs 1 to 4
Balanced Outputs: 2 x ¼” TRS jacks on rear panel
Unbalanced Outputs: 4 x phono sockets on rear panel
Stereo Headphone Output: ¼” TRS jack on front panel
Main Output Level Control: On front panel
Headphones Level Control: On front panel

Other I/O
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USB: 1 x USB 2.0 Type B connector
Front Panel Indicators:
- USB Power: LED
- Gain Controls: Colour-coded LED rings

Weight and Dimensions
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Dimensions (W x H x D): 210 mm x 140 mm x 48 mm
Weight: 0.89 kg