Solid State Logic 729748X2 - 18 USB-C Audio/MIDI Interface

Professional-Grade USB-C Audio Interface with High-Performance Converters
The Solid State Logic SSL 18 is a premium 26-in / 28-out USB-C audio interface designed for professional recording, mixing, and production. Built on decades of SSL’s expertise in analog and digital design, it offers pristine 32-bit / 192 kHz conversion, eight ultra-low-noise SSL mic preamps, Hi-Z instrument inputs, comprehensive digital I/O, and the versatile SSL 360° software mixer. Whether you're capturing vocals, instruments, or full mixes, the SSL 18 delivers the world-class audio performance that engineers and producers demand.

Uncompromising Sound Quality with Next-Generation Converters
At the heart of the SSL 18 is its state-of-the-art 32-bit / 192 kHz AD/DA conversion, ensuring every nuance of your performance is captured with incredible detail and clarity. The interface boasts a 120 dB dynamic range across all mic, line, and instrument inputs, while the monitor and line outputs deliver an impressive 125 dB of dynamic range. Whether recording delicate acoustic performances or high-energy drum sessions, the SSL 18 ensures superior audio fidelity.

Eight SSL-Designed Mic Preamps with Analog Enhancement
The SSL 18 features eight high-performance mic preamps inspired by SSL's legendary consoles. These preamps offer ultra-low noise performance and a 2-stage circuitry design for pristine recordings. The switchable Legacy 4K mode introduces subtle harmonic saturation and high-frequency boost, mimicking the sought-after analog warmth of SSL 4000 Series consoles—perfect for adding character to vocals, guitars, and drums.

Flexible I/O and Expansion for Any Studio Setup
With 10 balanced line outputs, two Hi-Z instrument inputs, and extensive digital connectivity, the SSL 18 is built for seamless integration into any workflow. ADAT and S/PDIF connections allow expansion up to 16 additional channels, while the word clock output ensures perfect synchronization with external digital gear. MIDI I/O further enhances its versatility, making it an ideal hub for modern studio setups.

Comprehensive Monitoring and Custom Headphone Mixes
The SSL 18 offers advanced monitoring capabilities, including alternative speaker switching and a dedicated talkback input with an analog Listen Mic Compressor. Dual independent headphone outputs provide flexible monitoring options, with selectable impedance settings to accommodate different headphone types. The ability to create custom headphone mixes makes it an excellent choice for tracking sessions and collaborative studio work.

SSL 360° Mixer and Digital Routing Capabilities
Powered by the SSL 360° software, the SSL 18’s digital mixer offers intuitive control over input/output routing, low-latency monitoring, and multiple mix configurations. The flexible Mirror Routing system allows users to send any input or aux master directly to an output—ideal for feeding personal monitoring systems, external effects, or metering solutions. For podcasters and content creators, the built-in stereo loopback function enables easy integration of system audio or virtual guests.

SSL Production Pack Included
The SSL 18 comes bundled with the SSL Production Pack, a curated collection of SSL and third-party plug-ins, virtual instruments, and DAW software. This exclusive package includes a 6-month Complete Access subscription, SSL Vocalstrip 2 and Drumstrip plug-ins, Auto-Tune Unlimited, Native Instruments Hybrid Keys, Ableton Live Lite, and more—providing everything needed to craft professional-quality productions.