Allen & Heath SQ-6: The 96kHz Digital Console for Live Sound, Theater, and House-of-Worship Engineers Who Refuse to Compromise on Sample Rate

The Allen & Heath SQ-6 is a 48-channel, 96kHz digital mixing console built around the XCVI FPGA audio engine — the same architecture family that powers Allen & Heath's flagship dLive systems. Twenty-five motorized 100mm faders, six layers, twenty-four onboard mic preamps with DEEP preamp emulation, a 7-inch multi-touch capacitive screen, and sub-0.7 ms round-trip latency make the SQ-6 the console that mid-size venues, touring engineers, and houses of worship reach for when 48kHz competitors don't deliver enough headroom for the room. SQ-Drive USB recording, a 32x32 USB-B interface, and SLink stagebox expansion to 48 total mic inputs mean the SQ-6 grows with the production instead of capping it.

96kHz Sample Rate, 96-Bit Accumulator: What XCVI FPGA Means in Practice

Most mid-tier digital consoles run at 48kHz. The XCVI engine in the SQ-6 runs at 96kHz with a 96-bit internal accumulator — that's the same sampling and bit depth that high-end studios use for tracking. In live sound that translates to deeper headroom before clipping, more accurate transient reproduction (kick drums, snare attack, vocal plosives sound like they do at the source instead of softened), and EQ moves that sound more natural at extreme settings because the algorithm has more bits to work with. Combined with sub-0.7 ms round-trip latency from mic preamp through processing and back out the bus, the SQ-6 sounds like an analog console with the flexibility of digital.

24 Onboard Preamps, 12 Stereo Mixes, and DEEP Preamp Emulation

The SQ-6 ships with 24 mic/line preamps onboard — XLR/TRS combo jacks, recallable per scene — plus 16 analogue outputs for monitor wedges, broadcast feeds, and zone outputs. The 48x36 processing matrix routes those inputs across 12 stereo mix buses plus the LR main and matrix outputs. DEEP preamp emulation models classic analog studio preamps (think vintage tube and FET designs) and applies them per channel — so a tracking engineer working a vocalist or a worship leader gets the warmth without rack-mounting a hardware preamp. RackExtra FX adds the dLive compressors, vintage EQ models, reverb, and tap delay that big-room engineers expect.

SQ-Drive, 32x32 USB Interface, and SLink Expansion to 48 Inputs

The SQ-Drive USB recording feature captures 16 channels at 96kHz, 32 channels at 48kHz, or a stereo bounce direct to a USB key — no laptop, no soundcard driver, no extra rack. For DAW workflows, the 32x32 USB-B interface streams 24-bit/96kHz multi-track to and from a Mac or Windows session. The SLink port handles physical input expansion: a single Allen & Heath stagebox connects over CAT5e/CAT6 and grows the SQ-6 to 48 total mic inputs without changing the console. Need network audio? The option card slot accepts Dante, Waves SoundGrid, MADI, or Optical Madi cards for integration with broadcast or studio plants.

SQ MixPad and SQ4You: Engineer Mobility and Performer Personal Mixes

Allen & Heath ships two free apps with the SQ-6. SQ MixPad gives the engineer full remote control from an iOS, Android, macOS, or Windows tablet or laptop — set up at front-of-house and tune monitor mixes from the stage, the back of the room, or the cry-room balcony. SQ4You is the personal monitor app: up to 8 performers each control their own monitor mix from a phone or tablet, freeing the engineer to focus on FOH instead of running back-and-forth monitor changes. Combined with 16 SoftKeys and 4 Soft Rotaries (assignable to scene recall, mute groups, FX engages, or whatever the show demands), the SQ-6 puts every tactile control where the engineer actually needs it.

Where the SQ-6 Belongs in Your Sound System

This is the console for the FOH engineer at a 200-to-2,000-seat venue who needs 96kHz quality and the channel count for the band, the speakers, and the broadcast feed. It is the central audio brain at a mid-size church running multiple services, with 24 onboard inputs covering the main rig and a stagebox handling overflow for a full worship team. It is the touring console for a corporate AV company that runs a different production every weekend, where scene recall and SQ MixPad mobility shorten the load-in. And it is the natural pairing for a redundant field recorder — a Zoom H6essential or similar — because the SQ-6's clean stereo or matrix outputs route directly to the recorder's XLR inputs for a 32-bit float safety capture every time the room is live.