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2i4 Tutorial

Focusrite

collapse expand iconDescription

The Focusrite Scarlett 2i4 is a robust 2 in / 4 out USB recording interface that combines affordability, cross-platform operation, a comprehensive feature set and the best audio performance in its class. It's a perfect match for both the musician and the digital DJ - and it comes in an elegant, road-ready anodized aluminum unibody case. The Scarlett 2i4 is the perfect audio interface for musicians and digital DJs and can fully withstand the rigors of the road. Like all Scarlett interfaces, 2i4 is fully compatible with Macintosh® (including Yosemite®) and Windows®, and with the included Red 2 and Red 3 AAX plugins, it’s a perfect partner for Pro Tools.

Ready to make music
Connect Scarlett 2i4 to your computer and get ready to make music! With the very best in digital audio technology and a great selection of input and output options, the Scarlett 2i4 will capture and play back your sound with superb quality. The front panel has two combo XLR inputs to connect microphones, guitars and line level signals such as keyboards, safe in the knowledge that your sound is in the best possible hands. Use the “PAD” function for high-output guitars or microphones, and use the “DIRECT MONITOR” control for a low-latency mix of input and playback signals.

Checking your levels
Scarlett’s unique “signal halos” let you know that you’ve got the right audio level for recording. Green is good, while red means that your audio is too loud and you need to lower the gain control.

DJ-ready outputs
With 4 RCA outputs, a large, tactile main monitor level control and a high-level headphone output with its own volume control – along with pristine audio quality, in a package ready for the road – Scarlett 2i4 is ideal for today's digital performers and laptop-based DJs.



Note: Includes the Focusrite Red 2 and Red 3 Plug-In Suite (AAX/AU/VST) upon registration of interface. Accurately modeled on the classic Red 2 EQ and Red 3 Compressor, the Red plug-ins let you exploit the sound of the hardware originals, conveniently from within Pro Tools (10 and above) and other audio software.
Focusrite Scarlett 2i4 USB Audio Interface
Focusrite Scarlett 2i4 USB Audio Interface
Focusrite Scarlett 2i4 USB Audio Interface

collapse expand iconFeatures

Audio Quality
  • Max bit depth: 24-bit
  • Max sampling rate: 96kHz
Inputs
  • Total inputs: 2
  • Mic preamps: 2
  • XLR/TRS combo jacks: 2
  • XLR only jacks: 0
  • 1/4" only jacks: 0
  • S/PDIF in: 0
  • ADAT/optical in: 0
  • RCA in: 0
Outputs
  • Total outputs: 4
  • XLR out: 0
  • 1/4" out: 2 (TRS balanced)
  • S/PDIF out: 0
  • ADAT/optical out: 0
  • RCA out: 4
Other Connectivity
  • Computer connection: USB 2.0
  • MIDI I/O: 5-pin In/Out
  • Headphone output(s): 1
  • Word-clock I/O: Not applicable
Onboard Features
  • Platform compatibility: Mac & Windows
  • Phantom power: Yes
  • Direct monitoring: Yes
  • Onboard DSP: No
  • Metering: Halo LEDs
  • Display: No
  • Latency control: No
  • Monitor control: Yes
  • Headphone control: Yes
Other
  • Width: 8.3" (210mm)
  • Height: 1.9" (48mm)
  • Depth: 5.5" (140mm)
  • Weight: 2 lb.
  • Construction: Unibody metal case
  • Rack-mountable: No
  • Included software: Ableton Live Lite, Novation Bass Station, Focusrite Scarlett Suite

collapse expand iconSpecs

Mic
Frequency Response 20Hz - 20kHz +/- 0.1 dB
THD+N < 0.002% (minimum gain, -1dBFS input with 22Hz/22kHz bandpass filter)
Equivalent Input Noise (EIN) < -120dB: measured at 55dB of gain with 150Î termination (20Hz/22kHz bandpass filter)
Gain Range +10dB to +55dB (0dB to +45dB when pad is engaged)
Max Input Level +3.5dBu
Line
Frequency Response 20Hz - 20kHz +/- 0.1dB
THD+N < 0.01% (˜A' weighted measured with +16dB input gain -1dBFS at output and 22Hz/22kHz bandpass filter)
Noise -90 dBu (22 Hz/22KHz bandpass filter)
Signal to Noise Ratio > 100dB
Gain Range -10dB to +35dB (-20dB to +25dB when pad is engaged)
Max Input Level +26dBu (at 1% THD+N)
Instrument
Frequency Response 20Hz - 20kHz +/- 0.1dB
THD+N 0.0025% (˜A' weighted measured with 16dB input gain, -1dBFS at output and 22Hz/22kHz bandpass filter)
Noise -87dBu (22Hz/22kHz bandpass filter)
Gain Range +10dB to +55dB (0dB to +45dB when pad is engaged)
Max Input Level +3dBu (+13dBu pad in)
Analogue Output Performance
Nominal Output Level
0dBFS = +10dBu, balanced

0dBFS = +5.5bBu, unbalanced

Frequency Response 20Hz - 20kHz +/- 0.2dB
THD+N
< 0.0015%, balanced (-1dBFS input 22Hz/22kHz bandpass filter, un-weighted)

< 0.03 %, unbalanced (0dBFS input 22Hz/22kHz bandpass filter)

Output Impedance < 12Î
Power Output into 32Î 24mW
Digital Performance
Clock sources Internal clock only
A-D Dynamic Range 105dB 'A-weighted' (all inputs). Converter chipset A-D dynamic range 114dB
D-A Dynamic Range 104dB 'A-weighted' (all outputs). Converter chipset D-A dynamic range 114dB
Supported sample rates 44.1 KHz, 48 KHz, 88.2 KHz, 96 KHz
Crosstalk
Input to Input Better than 90dB
Output to Output Better than 90dB
Input to Output Better than 85dB
Input Metering
Ring LED lit Green Signal present (-24 dBFS)
Ring LED lit Red Signal overload (0dBFS), peak held for approximately 1 second
Weight and Dimensions
Height 48 mm
Width 210 mm
Depth 140 mm
Weight 890 g