The Allen & Heath SQ-Rack is a powerful 48-channel digital rack mixer designed for professional live sound, installed AV systems, and broadcast environments. Built around Allen & Heath’s advanced 96kHz XCVI FPGA processing core, it delivers ultra-low latency performance, exceptional audio quality, and flexible system integration within a compact rack-mount format. Engineered for applications where a traditional control surface is not required, the SQ-Rack provides full mixing capability with remote control via apps and network interfaces, making it ideal for fixed installations, touring systems, and in-ear monitoring setups. 48-Channel Digital Mixing with 96kHz Processing The SQ-Rack delivers 48 input channels with full processing, enabling complex audio systems to be managed from a single unit. It features Allen & Heath’s XCVI FPGA core, providing high-resolution 96kHz audio with ultra-low latency of approximately 0.7ms. This ensures: High-definition audio clarity Phase-coherent mixing Reliable performance in demanding environments Advanced Mixing Architecture The mixer includes a comprehensive mixing structure with: 12 stereo mixes plus LR main output 3 stereo matrix outputs (split to 6 mono) 8 stereo FX engines with dedicated returns This allows: Complex monitor mixes for live performance Multi-zone audio distribution Advanced signal routing for professional AV systems Professional Input and Output Connectivity The SQ-Rack features a robust onboard I/O configuration: 16 high-quality mic/line preamps 3 stereo line inputs 12 XLR outputs and additional TRS outputs AES digital output The preamps offer up to +60dB of gain with phantom power, ensuring compatibility with a wide range of microphones and audio sources. Expandable System with SLink and Networking A key advantage of the SQ-Rack is its expandability. The integrated SLink port allows connection to Allen & Heath stage boxes and expanders, enabling systems to scale up to 48 mic inputs. It also supports: 64x64 I/O audio networking Optional Dante, Waves or MADI expansion cards Digital split systems for FOH and monitor setups This makes it suitable for both standalone and networked audio systems. Integrated DSP and Effects Processing The SQ-Rack includes eight stereo FX engines with access to Allen & Heath’s RackExtra FX library, offering high-quality reverbs, delays, and modulation effects. It also supports DEEP processing plugins, allowing advanced compressor and preamp models to be embedded directly into channels for enhanced system performance. Remote Control and App-Based Operation Designed as a rack-based mixer, the SQ-Rack is controlled via: 7-inch touchscreen interface SQ-MixPad app for iPad, Android, Mac, and PC SQ-Control and SQ4You apps for user control This enables: Full wireless system control Individual monitor mixing for performers Flexible operation without a physical console This approach is particularly effective in installations or touring systems where space is limited. Integrated Recording and USB Audio Interface The SQ-Rack includes a 32x32 USB audio interface for multitrack recording and playback, making it suitable for studio and live recording applications. It also supports direct recording to USB storage via SQ-Drive, allowing standalone capture of performances without external hardware. Compact Rack-Mount Design Housed in a compact 4U rack chassis, the SQ-Rack is designed for efficient installation and transport. Despite its small footprint, it delivers full-scale digital mixing capability comparable to larger console-based systems. Ideal Applications The Allen & Heath SQ-Rack is widely used in: Live sound and touring systems In-ear monitoring (IEM) rigs Corporate AV and conference environments Houses of worship Recording studios and broadcast setups It is particularly suited to applications where remote control and compact system design are required.

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