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Focusrite Scarlett 18i8 18-In, 8-Out USB Audio Interface

The 3rd Generation Scarlett 18i8 gives you all the tools to record all your instruments in studio quality, anywhere. With its high channel count, compact size and a huge selection of software in the box, 18i8 is ready to record your band wherever you are.

  •  Four of the best performing Scarlett mic preamps the range has ever heard – now with Air – for miking up guitars or recording vocals

 

  •  Two high headroom instrument inputs, for plugging your guitar or bass straight in
  •  Eight balanced line inputs, for connecting synths or other line-level audio, and four balanced outputs, for monitoring and effects sends

 

  •  Four monitor outs, featuring anti-thump tech and speaker switching

SPECIFICATIONS IN DETAIL

 

We always quote 'real world' performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here's why.

To check supported operating systems please click here

 

SUPPORTED SAMPLE RATES

44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

MICROPHONE INPUTS

Frequency Response
20Hz - 20kHz ± 0.1dB
Dynamic Range
111dB (A-weighted)
THD+N
<0.0012% 
Noise EIN
-128dBu (A-weighted)
Maximum Input Level
9dBu (at minimum gain)
Gain Range
56dB
Impedance
3kΩ

LINE INPUTS 1-4 (VARIABLE GAIN)

Frequency Response
20Hz - 20kHz ± 0.1dB
Dynamic Range
110.5dB (A-weighted)
THD+N
<0.002%
Maximum Input Level
22dBu (at minimum gain)
Gain Range
56dB
Impedance
60kΩ

LINE INPUTS 5-8 (FIXED GAIN)

Frequency Response
20Hz - 20kHz ± 0.1dB
Dynamic Range
110.5dB (A-weighted)
THD+N
<0.002%
Maximum Input Level
18dBu (at minimum gain)
Impedance
44kΩ

INSTRUMENT INPUTS

Frequency Response
20Hz - 20kHz ± 0.1dB
Dynamic Range
110dB (A-weighted)
THD+N
<0.03%
Maximum Input Level
12.5dBu (at minimum gain)
Gain Range
56dB
Impedance
1.5MΩ

LINE/MONITOR OUTPUTS

Dynamic Range (Line Outputs)
108dB
THD+N
<0.002%
Maximum Output Level (0 dBFS)
15.5dBu 
Impedance
430Ω

HEADPHONE OUTPUTS

Dynamic Range
104dB (A-weighted)
THD+N
<0.002%
Maximum Output Level
7dBu
Impedance
<1Ω