# Focusrite Scarlett and Clarett Interface Features by Model

The information here was compiled carefully and is believed accurate
but there might still be mistakes. Please independently confirm before
relying on anything here.

# Table of Contents

- [Scarlett 6i6 Gen 2](#scarlett-6i6-gen-2)
- [Scarlett 18i8 Gen 2](#scarlett-18i8-gen-2)
- [Scarlett 18i20 Gen 2](#scarlett-18i20-gen-2)
- [Scarlett Solo Gen 3](#scarlett-solo-gen-3)
- [Scarlett 2i2 Gen 3](#scarlett-2i2-gen-3)
- [Scarlett 4i4 Gen 3](#scarlett-4i4-gen-3)
- [Scarlett 8i6 Gen 3](#scarlett-8i6-gen-3)
- [Scarlett 18i8 Gen 3](#scarlett-18i8-gen-3)
- [Scarlett 18i20 Gen 3](#scarlett-18i20-gen-3)
- [Clarett 2Pre USB and Clarett+ 2Pre](#clarett-2pre-usb-and-clarett-2pre)
- [Clarett 4Pre USB and Clarett+ 4Pre](#clarett-4pre-usb-and-clarett-4pre)
- [Clarett 8Pre USB and Clarett+ 8Pre](#clarett-8pre-usb-and-clarett-8pre)

## Scarlett 6i6 Gen 2

- 6× Hardware Inputs
  - Analogue In 1–2: Mic/Line/Inst In 1–2 (Pad)
  - Analogue In 3–4: Line In 3–4
  - S/PDIF 1–2

- Hardware Input Controls
  - 2× Input Gain knobs for Analogue In 1–2
  - Fixed Input Gain for Analogue In 3–4
  - Phantom Power for Analogue 1–2 linked

- 6× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L) + Headphone 1 Left
  - Analogue 2: Line 2 Out (Monitor R) + Headphone 1 Right
  - Analogue 3: Line 3 Out + Headphone 2 Left
  - Analogue 4: Line 4 Out + Headphone 2 Right
  - S/PDIF 1–2

- Hardware Output Controls
  - Monitor volume knob controlling Line 1+2
  - No physical control for Line 3+4 output volume
  - Headphone 1 volume knob controlling Headphone 1 Volume
  - Headphone 2 volume knob controlling Headphone 2 Volume
  - 4× Mute + Line Out Gain controls −127dB to 0dB
    - 1–2 control Line 1–2 Out and Headphone 1
    - 3–4 control Line 3–4 Out and Headphone 2

- Mixer: 18 input (1–18), 10 output (A–J)
  - 18×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 6× PCM Inputs (USB device to host)

- 6× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–4, S/PDIF 1–2, Mix A–J, PCM Outputs 1–6

- Sync Status

- Clock Source: Internal or S/PDIF

## Scarlett 18i8 Gen 2

- 18× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Pad)
  - Analogue 3–4: Mic/Line In 3–4 (Pad)
  - Analogue 5–8: Line In 5–8
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 4× Input Gain knobs for Analogue In 1–4
  - Fixed Input Gain for Analogue In 5–8
  - Phantom Power for Analogue 1–2 linked
  - Phantom Power for Analogue 3–4 linked

- 8× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L)
  - Analogue 2: Line 2 Out (Monitor R)
  - Analogue 3: Headphone 1 Left
  - Analogue 4: Headphone 1 Right
  - Analogue 5: Headphone 2 Left
  - Analogue 6: Headphone 2 Right
  - S/PDIF 1–2

- Hardware Output Controls
  - Monitor volume knob controlling Line 1+2
  - Headphone 1 volume knob controlling Headphone 1 Volume
  - Headphone 2 volume knob controlling Headphone 2 Volume
  - 6× Mute + Line Out Gain controls −127dB to 0dB
    - 1–2 control Line 1–2 Out
    - 3–4 control Headphone 1
    - 5–6 control Headphone 2

- Mixer: 20 input (1–20), 10 output (A–J)
  - 20×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 20× PCM Inputs (USB device to host)

- 8× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–8, S/PDIF 1–2, ADAT 1–8, Mix A–J, PCM
    Outputs 1–8

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT

## Scarlett 18i20 Gen 2

- 18× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Pad)
  - Analogue 3–8: Mic/Line In 3–8
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 8× Input Gain knobs for Analogue In 1–8
  - Phantom Power for Analogue 1–4 linked
  - Phantom Power for Analogue 5–8 linked

- 20× Hardware Outputs
  - Analogue  1: Line  1 Out (Monitor L)
  - Analogue  2: Line  2 Out (Monitor R)
  - Analogue  3: Line  3 Out
  - Analogue  4: Line  4 Out
  - Analogue  5: Line  5 Out
  - Analogue  6: Line  6 Out
  - Analogue  7: Line  7 Out + Headphone 1 Left
  - Analogue  8: Line  8 Out + Headphone 1 Right
  - Analogue  9: Line  9 Out + Headphone 2 Left
  - Analogue 10: Line 10 Out + Headphone 2 Right
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Output Controls
  - For Analogue 1–8 Outputs:
    - 8× SW/HW Volume Control Switch
    - 8× SW Line Out Gain controls −127dB to 0dB
    - 8× SW Mute
  - Monitor volume knob controlling volume of Analogue 1–8 (selected
    by SW/HW Volume Control Switches)
  - Global Mute and Dim controlling Analogue 1–8 (enabled per-channel
    if SW/HW Volume Control Switch set to HW)
  - 2× Headphone volume knob controlling Headphone volume (applied in
    addition to the SW/HW Volume Control)

- Mixer: 20 input (1–20), 10 output (A–J)
  - 20×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 20× PCM Inputs (USB device to host)

- 18× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–8, S/PDIF 1–2, ADAT 1–8, Mix A–J, PCM
    Outputs 1–8

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT

## Scarlett Solo Gen 3

- 2× Hardware Inputs
  - Analogue In 1: Mic In (Air, Phantom Power)
  - Analogue In 2: Line/Inst In

- Hardware Input Controls
  - 2× Input Gain knobs for Analogue 1–2
  - Phantom Power Persistence

- 2× Hardware Outputs
  - Analogue Out 1: Line Out Left + Headphone Left
  - Analogue Out 2: Line Out Right + Headphone Right

- Hardware Output Controls
  - Monitor volume knob controls all outputs together

- 2× PCM Inputs (USB device to host)
  - Fixed to Analogue Inputs 1–2

- 2× PCM Outputs (USB host to device)
  - Fixed to Analogue Outputs 1–2

- Direct Monitor:
  - On: mixes Analogue 1+2 Inputs into both Analogue 1+2 Outputs

## Scarlett 2i2 Gen 3

- 2× Hardware Inputs
  - Analogue In 1–2: Mic/Line/Inst In 1–2 (Air)

- Hardware Input Controls
  - 2× Input Gain knobs for Analogue 1–2
  - Phantom Power for Analogue 1–2 linked
  - Phantom Power Persistence

- 2× Hardware Outputs
  - Analogue Out 1: Line Out Left + Headphone Left
  - Analogue Out 2: Line Out Right + Headphone Right

- Hardware Output Controls
  - Monitor volume knob for Line Out Left and Right
  - Headphone volume knob for Headphone

- 2× PCM Inputs (USB device to host)
  - Fixed to Analogue Inputs 1–2

- 2× PCM Outputs (USB host to device)
  - Fixed to Analogue Outputs 1–2

- Direct Monitor:
  - Mono: mixes both Analogue 1+2 Inputs into both Analogue 1+2
    Outputs
  - Stereo: mixes Analogue 1+2 Inputs into Analogue 1+2 Outputs
    respectively

## Scarlett 4i4 Gen 3

- 4× Hardware Inputs
  - Analogue In 1–2: Mic/Line/Inst In 1–2 (Air, Pad)
  - Analogue In 3–4: Line In 3–4

- Hardware Input Controls
  - 2× Input Gain knobs for Analogue In 1–2
  - Fixed Input Gain for Analogue In 3–4
  - Phantom Power for Analogue 1–2 linked
  - Phantom Power Persistence

- 4× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L)
  - Analogue 2: Line 2 Out (Monitor R)
  - Analogue 3: Line 3 Out + Headphone Left
  - Analogue 4: Line 4 Out + Headphone Right

- Hardware Output Controls
  - Monitor volume knob controlling Line 1+2
  - Headphone volume knob controlling Headphone volume
  - No physical control for Line 3+4 output volume
  - 4× Mute + Line Out Gain controls −127dB to 0dB
    - 1–2 control Line 1–2 Out
    - 3–4 control Line 3–4 Out and Headphone

- Mixer: 8 input (1–8), 6 output (A–F)
  - 8×6 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 6× PCM Inputs (USB device to host)

- 4× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–4, Mix A–F, PCM Outputs 1–4

- Sync Status

## Scarlett 8i6 Gen 3

- 8× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Air, Pad)
  - Analogue 3–6: Line In 3–6
  - S/PDIF 1–2

- Hardware Input Controls
  - 2× Input Gain knobs for Analogue In 1–2
  - Fixed Input Gain for Analogue In 3–6
  - Phantom Power for Analogue 1–2 linked
  - Phantom Power Persistence

- 6× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L) + Headphone 1 Left
  - Analogue 2: Line 2 Out (Monitor R) + Headphone 1 Right
  - Analogue 3: Line 3 Out + Headphone 2 Left
  - Analogue 4: Line 4 Out + Headphone 2 Right
  - S/PDIF 1–2

- Hardware Output Controls
  - Monitor volume knob controlling Line 1+2
  - No physical control for Line 3+4 output volume
  - Headphone 1 volume knob controlling Headphone 1 Volume
  - Headphone 2 volume knob controlling Headphone 2 Volume
  - 4× Line Out Gain controls −127dB to 0dB
    - 1–2 control Line 1–2 Out and Headphone 1
    - 3–4 control Line 3–4 Out and Headphone 2

- Mixer: 8 input (1–8), 8 output (A–H)
  - 8×8 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 10× PCM Inputs (USB device to host)

- 6× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–6, S/PDIF 1–2, Mix A–H, PCM Outputs 1–6

- Sync Status

- Clock Source: Internal or S/PDIF

## Scarlett 18i8 Gen 3

- 18× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Air, Pad)
  - Analogue 3–4: Mic/Line In 3–4 (Air, Pad)
  - Analogue 5–8: Line In 5–8
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 4× Input Gain knobs for Analogue In 1–4
  - Fixed Input Gain for Analogue In 5–8
  - Phantom Power for Analogue 1–2 linked
  - Phantom Power for Analogue 3–4 linked
  - Phantom Power Persistence

- 10× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L)
  - Analogue 2: Line 2 Out (Monitor R)
  - Analogue 3: Line 3 Out (Alt Monitor L)
  - Analogue 4: Line 4 Out (Alt Monitor R)
  - Analogue 5: Headphone 1 Left
  - Analogue 6: Headphone 1 Right
  - Analogue 7: Headphone 2 Left
  - Analogue 8: Headphone 2 Right
  - S/PDIF 1–2

Note: The Headphones outputs are internally Analogue 3–6 and the rear
Line 3/4 outputs (Alt Monitor) are internally Analogue 7/8, but the
driver hides this from you.

- Hardware Output Controls
  - For Analogue 1–8 Outputs:
    - 8× SW/HW Volume Control Switch
    - 8× SW Line Out Gain controls −127dB to 0dB
    - 8× SW Mute
  - Monitor volume knob controlling volume of Analogue 1–8 (selected
    by SW/HW Volume Control Switches)
  - Global mute and dim controlling Analogue 1–8 (enabled per-channel
    if SW/HW Volume Control Switch set to HW)
  - 2× Headphone volume knob controlling Headphone volume (applied in
    addition to the SW/HW Volume Control)

- Mixer: 18 input (1–18), 10 output (A–J)
  - 18×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 18× PCM Inputs (USB device to host)

- 8× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–8, S/PDIF 1–2, ADAT 1–8, Mix A–J, PCM
    Outputs 1–20

- Speaker Switching

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT

## Scarlett 18i20 Gen 3

- 19× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Air, Pad)
  - Analogue 3–8: Mic/Line In 3–8 (Air, Pad)
  - Analogue 9: Talkback Mic
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 8× Input Gain knobs for Analogue In 1–8
  - Phantom Power for Analogue 1–4 linked
  - Phantom Power for Analogue 5–8 linked
  - Phantom Power Persistence

- 20× Hardware Outputs
  - Analogue  1: Line  1 Out (Monitor L)
  - Analogue  2: Line  2 Out (Monitor R)
  - Analogue  3: Line  3 Out
  - Analogue  4: Line  4 Out
  - Analogue  5: Line  5 Out
  - Analogue  6: Line  6 Out
  - Analogue  7: Line  7 Out + Headphone 1 Left
  - Analogue  8: Line  8 Out + Headphone 1 Right
  - Analogue  9: Line  9 Out + Headphone 2 Left
  - Analogue 10: Line 10 Out + Headphone 2 Right
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Output Controls
  - For Analogue 1–8 Outputs:
    - 8× SW/HW Volume Control Switch
    - 8× SW Line Out Gain controls −127dB to 0dB
    - 8× SW Mute
  - Monitor volume knob controlling volume of Analogue 1–8 (selected
    by SW/HW Volume Control Switches)
  - Global Mute and Dim controlling Analogue 1–8 (enabled per-channel
    if SW/HW Volume Control Switch set to HW)
  - 2× Headphone volume knob controlling Headphone volume (applied in
    addition to the SW/HW Volume Control)

- Mixer: 25 input (1–25), 12 output (A–L)
  - 25×12 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 20× PCM Inputs (USB device to host)

- 20× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–8, S/PDIF 1–2, ADAT 1–8, Mix A–L, PCM
    Outputs 1–8

- Speaker Switching

- Talkback Mic

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT

## Clarett 2Pre USB and Clarett+ 2Pre

- 12× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Air)
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 2× Input Gain knobs for Analogue In 1–2
  - Phantom Power for Analogue 1–2 separate

- 4× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L)
  - Analogue 2: Line 2 Out (Monitor R)
  - Analogue 3: Line 3 Out + Headphone Left
  - Analogue 4: Line 4 Out + Headphone Right

- Hardware Output Controls
  - For Analogue 1–4 Outputs:
    - 4× SW/HW Volume Control Switch
    - 4× SW Line Out Gain controls −127dB to 0dB
    - 4× SW Mute
  - Monitor volume knob controlling volume of Analogue 1–4 (selected
    by SW/HW Volume Control Switches)
  - Global Mute and Dim controlling Analogue 1–4 (enabled per-channel
    if SW/HW Volume Control Switch set to HW)
  - Headphone volume knob controlling Headphone volume (applied in
    addition to the SW/HW Volume Control)

- Mixer: 18 input (1–18), 10 output (A–J)
  - 18×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 12× PCM Inputs (USB device to host)

- 4× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–2, S/PDIF 1–2, ADAT 1–8, Mix A–J, PCM
    Outputs 1–4

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT

## Clarett 4Pre USB and Clarett+ 4Pre

- 12× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Air)
  - Analogue 3–4: Mic/Line In 3–4 (Air)
  - Analogue 4–8: Mic/Line In 4–8
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 4× Input Gain knobs for Analogue In 1–4
  - Phantom Power for Analogue 1–2 linked
  - Phantom Power for Analogue 3–4 linked

- 8× Hardware Outputs
  - Analogue 1: Line 1 Out (Monitor L)
  - Analogue 2: Line 2 Out (Monitor R)
  - Analogue 3: Line 3 Out + Headphone 1 Left
  - Analogue 4: Line 4 Out + Headphone 1 Right
  - Analogue 5: Line 5 Out + Headphone 2 Left
  - Analogue 6: Line 6 Out + Headphone 2 Right
  - S/PDIF 1–2

- Hardware Output Controls
  - For Analogue 1–6 Outputs:
    - 6× SW/HW Volume Control Switch
    - 6× SW Line Out Gain controls −127dB to 0dB
    - 6× SW Mute
  - Monitor volume knob controlling volume of Analogue 1–6 (selected
    by SW/HW Volume Control Switches)
  - Global Mute and Dim controlling Analogue 1–6 (enabled per-channel
    if SW/HW Volume Control Switch set to HW)
  - 2× Headphone volume knob controlling Headphone volume (applied in
    addition to the SW/HW Volume Control)

- Mixer: 18 input (1–18), 10 output (A–J)
  - 18×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 18× PCM Inputs (USB device to host)

- 8× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–8, S/PDIF 1–2, ADAT 1–8, Mix A–J, PCM
    Outputs 1–8

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT

## Clarett 8Pre USB and Clarett+ 8Pre

- 18× Hardware Inputs
  - Analogue 1–2: Mic/Line/Inst In 1–2 (Air)
  - Analogue 3–8: Mic/Line In 3–8 (Air)
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Input Controls
  - 8× Input Gain knobs for Analogue In 1–8
  - Phantom Power for Analogue 1–4 linked
  - Phantom Power for Analogue 5–8 linked

- 20× Hardware Outputs
  - Analogue  1: Line  1 Out (Monitor L)
  - Analogue  2: Line  2 Out (Monitor R)
  - Analogue  3: Line  3 Out
  - Analogue  4: Line  4 Out
  - Analogue  5: Line  5 Out
  - Analogue  6: Line  6 Out
  - Analogue  7: Line  7 Out + Headphone 1 Left
  - Analogue  8: Line  8 Out + Headphone 1 Right
  - Analogue  9: Line  9 Out + Headphone 2 Left
  - Analogue 10: Line 10 Out + Headphone 2 Right
  - S/PDIF 1–2
  - ADAT 1–8

- Hardware Output Controls
  - For Analogue 1–10 Outputs:
    - 6× SW/HW Volume Control Switch
    - 6× SW Line Out Gain controls −127dB to 0dB
    - 6× SW Mute
  - Monitor volume knob controlling volume of Analogue 1–10 (selected
    by SW/HW Volume Control Switches)
  - Global Mute and Dim controlling Analogue 1–10 (enabled per-channel
    if SW/HW Volume Control Switch set to HW)
  - 2× Headphone volume knob controlling Headphone volume (applied in
    addition to the SW/HW Volume Control)

- Mixer: 18 input (1–18), 10 output (A–J)
  - 18×10 gain controls −80dB to +6dB
  - Each input assignable to any of the assignable outputs

- 18× PCM Inputs (USB device to host)

- 20× PCM Outputs (USB host to device)

- Assignable outputs to the hardware outputs, mixer, and PCM Inputs:
  - Off, Analogue Inputs 1–8, S/PDIF 1–2, ADAT 1–8, Mix A–J, PCM
    Outputs 1–20

- Sync Status

- Clock Source: Internal, S/PDIF, or ADAT
