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The Allen & Heath SQ-Rack digital mixer is a powerful 48-channel, 36-bus rackmount mixing console designed for live sound, touring, AV installations, and broadcast, delivering ultra-low latency, premium audio quality, and extensive system expansion.
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The Allen & Heath SQ-Rack professional digital mixer combines the full power of the SQ Series into a compact rackmount digital mixing solution for demanding live and installed sound environments. Powered by the advanced 96kHz XCVI FPGA processing engine, it delivers pristine audio clarity, wide dynamic range, and ultra-low latency below 0.7 ms, making it ideal for in-ear monitoring and live performance systems. The mixer supports 48 input channels and 36 configurable buses, offering exceptional flexibility for complex audio setups.
Equipped with 16 high-quality microphone preamps, multiple stereo line inputs, and 8 stereo FX engines with dedicated returns, the SQ-Rack provides full channel processing with DEEP processing architecture for studio-grade EQ and dynamics. Integrated 32×32 USB audio interface functionality enables multitrack recording, streaming, and virtual soundchecks, while SQ-Drive allows direct USB recording without a computer. With SLink I/O expansion and optional Dante, Waves, or MADI cards, the SQ-Rack delivers scalable networking and seamless integration. Its compact rackmount design makes it the ideal digital mixer for touring racks, fixed installations, and professional AV systems.

The Allen & Heath SQ-Rack is powered by the XCVI 96kHz FPGA core, delivering high-resolution audio with exceptional clarity and detail. This advanced engine ensures ultra-low latency performance of under 0.7 milliseconds, making it perfect for live sound and monitoring applications. It preserves transients and dynamic accuracy across complex mixes. The powerful processing supports intensive routing, FX, and channel processing without compromise. This results in consistent, studio-quality audio in live, AV, and installation environments.

The SQ-Rack offers 48 input channels and 36 mix buses, providing extensive routing flexibility for professional audio systems. It features 16 onboard microphone preamps designed for low noise and high headroom. Additional stereo line inputs support playback devices and external sources. The mixer includes 12 stereo mixes and 3 stereo matrices, ideal for monitors, zones, and distributed audio systems. This flexible architecture makes the SQ-Rack suitable for touring racks and complex installations.

Equipped with 8 stereo FX engines, the SQ-Rack delivers premium reverbs, delays, and modulation effects with dedicated stereo returns. Full channel processing includes parametric EQ, compression, gating, and limiting. Support for DEEP processing allows the use of high-end compressor and EQ models without additional latency. This ensures consistent sound quality across all channels. The processing power meets the demands of professional live and broadcast productions.

The built-in 32×32 USB audio interface enables seamless multitrack recording, playback, streaming, and virtual soundchecks. SQ-Drive allows direct recording to USB storage without the need for a computer. The SLink port enables expansion with Allen & Heath stageboxes for additional I/O. Optional Dante, Waves, or MADI cards provide flexible audio networking and system integration. This makes the SQ-Rack a scalable and future-proof digital mixing solution.
| Specification | Details |
|---|---|
| Mixer Type | Rackmount Digital Mixer |
| Processing Engine | XCVI FPGA, 96kHz |
| Input Channels | 48 |
| Mix Buses | 36 |
| Mic Preamps | 16 Onboard |
| Line Inputs | 3 Stereo |
| Stereo Mixes | 12 |
| Matrix Outputs | 3 Stereo |
| FX Engines | 8 × Stereo with Dedicated Returns |
| Processing | EQ, Dynamics, DEEP Processing |
| USB Interface | 32×32 Audio Interface |
| Direct Recording | SQ-Drive USB Recording |
| I/O Expansion | SLink Stageboxes |
| Optional Cards | Dante, Waves, MADI |
| Latency | < 0.7 ms |
| Applications | Live Sound, Touring, AV, Install |
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