Focusrite Scarlett 2i4 – USB Sound Card with Preamps

SKU: A09414 Category: Tag:

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  • Balanced and unbalanced outputs
  • MIDI In and Out ports for connecting synthesizer modules or digital pianos
  • Direct monitor function with Stereo/Mono switch for avoiding input latency while recording
  • Headphone source switch (outputs 1-2 or 3-4)
  • Gain halos around the gain knob for each input provide monitoring of correct signal level

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The Hub of Your Home or Mobile Studio

The Focusrite second-generation Scarlett 2i4 USB audio interface gives you a superb recording front end in a portable interface. Two award-winning Focusrite mic/line/instrument preamps are onboard, with their convenient combo inputs right on the front panel where you need them, while the back panel hosts two balanced and four unbalanced outputs. The Scarlett 2i4 is an ideal foundation for your home or mobile studio if you need high quality sound, not a high channel count. Fire up the included software and start making great-sounding music today with the Focusrite Scarlett 2i4 USB audio interface!

Optimized second-generation technology

The 2nd-generation Focusrite Scarlett 2i4’s exterior has undergone a sleek makeover. Under the hood, though, it’s been tweaked and upgraded to deliver better sonics, lower latency, and enhanced ease of use. With sample rates up to 192kHz, you’ve got studio-grade sound you can take anywhere. And Focusrite has evened out the gain structure of the natural-sounding Scarlett mic preamps, letting you set levels more accurately. The instrument inputs have also been re-engineered to handle the hottest active pickups. Lastly, Focusrite has wired analog protection circuitry across the Scarlett 2i4’s inputs and outputs, safeguarding your interface from damaging power surges.

Super-low latency for better performances

You know you perform better when you’ve got a great-sounding monitor mix with everything you need to hear to be inspired — for example, reverb and delay on a guitar solo. The Scarlett 2i4’s super-low latency lets you monitor with native plug-in effects in real time, so you can hear your parts as you envision them and record better performances. At Sweetwater, we know you can’t put a price on that.

Award-winning Focusrite preamps onboard

The Focusrite Scarlett 2i4 is equipped with two vibrant and pristine Focusrite preamps. For over 25 years, Focusrite’s award-winning pres have proven their mettle in pro studios around the world. Focusrite ports their considerable design savvy into the transparent, low-noise, low-distortion preamps in the Scarlett 2i4. This is the same technology found in Focusrite’s flagship products, giving you gobs of available headroom to accommodate your dynamic, condenser, and ribbon mics on any source, no matter how boisterous. Of course, you also get phantom power for your mics that require it.

Keep an eye on your levels with front-panel indicators

Your mom always said to watch your levels. Well, perhaps she didn’t, but you know you should — and the Focusrite Scarlett 2i4 makes it easy. The 2i4’s innovative halo indicators always let you know when you’ve got a healthy signal level for recording. If the halo is Red, your signal is clipping, and you should back down your gain. The halo will momentarily turn amber as the level returns to a happy normal — at which point it will turn green. Simple and intuitive, isn’t it?


  • Two microphone preamps with global phantom power and per channel 10 dB pads
  • Neutrik combo XLR/TRS 1/4″ input connectors with line/instrument switches
  • Focusrite Red 2 and Red 3 Plug-In Suite (AAX, Audio Units, VST). Delivers accurately modeled plug-ins based on the classic Focusrite Red 2 EQ and Red 3 Compressor hardware
  • Softube Time and Tone Bundle
  • Rugged-aluminum unibody chassis
  • USB bus-powered

What's in the box

  • Focusrite Scarlett 2i4 USB Sound Card with Preamps

Sample Rates44.1, 48, 88.2 and 96 kHz (internal clock only)
Analog In2 x XLR/TRS 1/4" Combo Microphone/Line (front panel)
Analog Outputs2 x 1/4" TRS Line (rear panel) 4 x RCA Line (rear panel) 1 x 1/4" TRS Headphone (front panel)
Digital Input ConnectorsNo
Digital Output ConnectorsNo
MIDI In/Out2 x 5-pin DIN MIDI In, Out
Other Connectors1 x 6-pin FireWire IEEE1394 socket
Headphone OutputYes with volume control
Maximum Input LevelMicrophone: +3.5 dB Line: +26 dBu (at 1% THD+N) Instrument: +3 dBu (+12 dBu pad in)
Gain RangeMicrophone: +10 dB to +55 dB (0 dB to +45 dB with pad engaged) Line: -10 dB to +35 dB (-20 dB to +25 dB with pad engaged) Instrument: +10 dB to +55 dB
Output Impedance<12 ohms
Nominal Output Level+10 dBu, balanced (0 dBFS) +5.5 dBu, unbalanced (0dBFS)
Power Output24 mW into 32 ohms
Frequency ResponseInput: 20 Hz to 20 kHz, +0/-0.1 dB Output: 20 Hz to 20 kHz, +/-0.2dB
THD + NMicrophone: <0.002% (minimum gain, -1 dBFS with 20 Hz/22 kHz band-pass filter) Line Inputs: <0.01 A-weighted (+16 dB input gain, -1 dBFS at output with 22 Hz/22 kHz band-pass filter) Instrument: <0.0025 A-weighted (+16 dB input gain, -1 dBFS at output with 22 Hz/22 kHz band-pass filter Line Outputs: <0.03 %, unbalanced (0 dBFS input 22 Hz/22 kHz band-pass filter)
NoiseMicrophone EIN: <-120 dB @ 55 dB of gain with 150 ohm termination (20 Hz/22 kHz band-pass filter) Line Noise: -90 dBu (22 Hz/22 kHz band-pass filter) Instrument Noise: -87 dBu (20 Hz/22 kHz band-pass filter) Line SNR: >100 dB
CrosstalkInput to Input: >90dB Output to Output: >90 dB Input to Output: >85 dB
Digital PerformanceA/D Dynamic Range: >105 dB, A-weighted (all inputs) D/A Dynamic Range: >104 dB, A-weighted (all outputs) Converter Chipset A/D Dynamic Range: 114 dB Converter Chipset D/A Dynamic Range: 114 dB
MetersRing LED lit Green: Signal present (-24 dBFS) Ring LED lit Red: Signal overload (0 dBFS), peak held for approximately 1 second
Power RequirementsUSB bus-powered
System RequirementMac: OS X 10.6.5 (Snow Leopard) to OS X 10.10 (Yosemite) Windows: Windows 7 (32- and 64-bit), Windows 8, and Windows 10
Dimensions (WxDxH)8.3 x 5.5 x 1.9" (210 x 140 x 48 mm)


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