Focusrite Scarlett 4i4 Audio Interface (3rd Gen)

Focusrite Scarlett 4i4 Audio Interface (3rd Gen)

Focusrite Scarlett 4i4 Audio Interface (3rd Gen)


Sitting on the desks of more musicians and producers than any other, the Scarlett range of audio interfaces means studio-quality sound for all your instruments – and 4i4 is the interface of more. Capture more of your ever-expanding setup with more inputs, more outputs and more connectivity. Four balanced line inputs, for connecting synths or other line-level audio, and four balanced outputs, for monitoring and effects sends

Two 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 Loopback, for grabbing a stereo feed of any combination of hardware inputs and software playback, no cables needed, for simple sampling, streaming or podcasting




Channels of I/O Analog:

4 Inputs / 4 Outputs at 192 kHz
Max Sample Rate/Resolution 192 kHz / 24-Bit
Display and Indicators 2 x LEDs (Input Level)

1 x LED (+48V)

2 x LEDs (Input Selection)

2 x LEDs (Pad)

1 x LED (Host Connection)

1 x LED (MIDI)


Host Connection 1 x USB Type-C (USB 2.0)
Analog I/O 2 x Combo XLR-1/4" TRS Balanced/Unbalanced Mic/Line/Hi-Z Input

2 x 1/4" TRS Balanced Line Input

4 x 1/4" TRS Balanced Line Output

1 x 1/4" TRS Unbalanced Headphone Output
Phantom Power +48 V, Selectable On/Off (on 2 Channels)
Digital I/O None
MIDI I/O 1 x MIDI 5-Pin In

1 x MIDI 5-Pin Out
Memory Card Slot None


Frequency Response Inputs:

20 Hz to 20 kHz ±0.1 dB
Gain/Trim Range Mic/Line Inputs:

56 dB
Max Input Level Mic Inputs:

+9 dBu (Min Gain)

+16 dBu (Min Gain, with Pad)

Hi-Z Inputs:

+12.5 dBu (Min Gain)

+14 dBu (Min Gain, with Pad)

Line Inputs:

+22 dBu (Min Gain)

+29.5 dBu (Min Gain, with Pad) 
Max Output Level Monitor/Line Outputs:

+15.5 dBu (Balanced)

Headphone Outputs:

+7 dBu
Dynamic Range Mic Inputs:

111 dBA

Hi-Z Inputs:

110 dBA

Line Inputs:

110.5 dBA

Line Outputs:

108.5 dBA

Headphone Outputs:

104 dBA 
Impedance Mic Inputs:

3 Kilohms

Line Inputs:

60 Kilohms

Hi-Z Inputs:

1.5 Megohms

Line Outputs:

430 Ohms

Headphone Outputs:

THD+N Mic Inputs:

Hi-Z Inputs:

Line Inputs:

Line Outputs:

Headphone Outputs:

Digital Audio

Sample Rates Up to 192 kHz (AD/DA Conversion)
Bit Depths Up to 24-Bit (AD/DA Conversion)
Sync Sources Internal


OS Compatibility macOS

Required Hardware Available USB 2.0 Port

USB Cable (Included)
Internet Connection Required for Software/Driver Download


Power Requirements USB Bus Power


Anti-Theft Features Kensington Security Slot
Dimensions 7.28 x 4.72 x 1.87" / 18.49 x 11.99 x 4.75 cm
Weight 1.4 lb / 0.6 kg (Without Accessories)

Packaging Info

Package Weight 1.81 lb
Box Dimensions (LxWxH) 8.5 x 6.5 x 2.4"


This is a fantastic place better than Amazon for prices, service and a shoulder l should support for tech, audio and av solutions.

David Fraser, Google CET reviews

Friendly and accommodating staff. Great products. They offer discounts to churches (there’s a minimum purchase value). Really does cater to all your audiovisual needs. I’ll surely shop there again.

Shamillia Rock, Google CET Reviews

Quality items at affordable prices with knowledgeable and helpful staff. If what you are looking for is available here it doesn't make sense importing through a freight forwarder.

Mark Buckmire, Google CET Reviews

I've bought from them in the past on a few occasions and it's always been a good experience. I recently made a purchase and happened to have a manufacturer issue. CET immediately replaced the item with the least inconvenience to myself. When buying these types of equipment, it really is best to use a local and reliable supplier and CET is hands down my choice.Plus the staff are always helpful and respectable. Good job folks.

Raees Rahim, Facebook CET Reviews
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