Focusrite Scarlett 18i20 4th Gen USB-C Audio Interface - 18 Inputs / 20 Outputs, 8 Preamps, 192 kHz, 24-bit, Rackmount

The Focusrite Scarlett 18i20 4th Gen is a professional USB-C audio interface designed for musicians, producers, and audio engineers who demand high-quality recording and playback. With 18 inputs and 20 outputs, including 8 Scarlett 4th-Gen microphone preamps, this 1U rackmount interface delivers pristine audio at up to 192 kHz / 24-bit resolution. Featuring Air Mode, Auto Gain, and Clip Safe technology, it ensures your recordings are clean and dynamic. The included Hitmaker Expansion Bundle, Ableton Live Lite, and Pro Tools Artist (3-month) provide everything you need to start creating.

Advantages

Exceptional audio quality with 121 dB dynamic range on inputs and 127 dB on outputs, ultra-low latency USB-C connectivity, and versatile I/O including ADAT, MIDI, and word clock. The redesigned preamps offer 69 dB of gain and switchable +48V phantom power. Air Mode adds presence and harmonic drive for enhanced vocals and instruments. Auto Gain and Clip Safe simplify level setting, preventing distortion.

Suitable for

• Home and project studio recording
• Live streaming and podcasting
• Multi-track recording of bands and ensembles
• Music production and mixing

Key specifications

• Interface Type: USB-C Audio Interface
• Simultaneous I/O: 18 Inputs / 20 Outputs
• Preamps: 8 x Scarlett 4th-Gen Microphone Preamps
• Max Sample Rate: 192 kHz
• Bit Depth: 24-bit
• Analog Inputs: 8 x XLR/TRS Combo (Mic/Line), 2 x 1/4" TRS (Instrument)
• Analog Outputs: 10 x 1/4" TRS Line Outputs
• Headphone Outputs: 2 x 1/4" TRS Stereo
• Digital I/O: 2 x ADAT Optical (8 channels in/out each)
• MIDI I/O: 1 x 5-pin DIN In, 1 x 5-pin DIN Out
• Word Clock: 1 x BNC Output
• Phantom Power: +48V (switchable per channel)
• Dynamic Range (ADC): 121 dB (A-weighted)
• Dynamic Range (DAC): 127 dB (A-weighted)
• Preamp Gain Range: 69 dB
• Special Features: Air Mode (Presence & Harmonic Drive), Auto Gain, Clip Safe, Loopback
• Form Factor: 1U 19-inch Rackmount
• Connectivity Protocol: USB 2.0
• Power Supply: External AC Power Adapter
• Included Software: Hitmaker Expansion Bundle, Ableton Live Lite, Pro Tools Artist (3-month)

Recommendations

For optimal performance, use a high-quality USB-C cable and connect directly to your computer. The Scarlett 18i20 4th Gen is ideal for expanding your studio with additional preamps via ADAT. Ensure proper ventilation in your rack to prevent overheating.