Unlock the Power of Live Sound with the Allen & Heath QU-SB Digital Mixer

View the Allen & Heath QU-SB on MusicOnStage

If you’re in the market for a high-performing digital mixer that can handle live bands, AV installations, or remote-control workflows, the Allen & Heath QU-SB is a top contender. This ultra-compact mixer offers flexibility, power, and expandability for professionals who need reliability and great sound in a portable package.

What the QU-SB Brings to the Table

The QU-SB is a feature-rich, rack-mountable digital mixer designed for modern live sound and installations. Here are its standout features:

• Compact and portable design – Rack-mount format saves space and makes transport easy.
• 16 mono mic/line inputs + 1 stereo input – Enough to handle most small to mid-size setups.
• Expandable via dSNAKE – Scale up to 32 mono and 3 stereo inputs when needed.
• Comprehensive output options – Up to 11 monitor mixes and multiple FX buses.
• 32x32 USB audio interface with multitrack recording – Ideal for live recording and DAW integration.
• Wireless control via apps – Mix from anywhere using Qu-Pad, Qu-You, or Qu-Control apps.
• Pro-level sound quality – AnalogiQ preamps, 24-bit converters, and full dynamics/EQ per channel.

Why Professionals Choose It

Saves Space and Reduces Weight

Instead of carrying a large console, the QU-SB’s rack-mounted form lets you travel light while retaining all the functionality of a traditional mixer. It’s perfect for touring bands, mobile sound setups, and multi-venue installations.

Wireless Control and Flexibility

Mix anywhere in the venue with the Qu-Pad app. Walk around the room, fine-tune monitor mixes, or adjust the main mix in real time—all without being tethered to a desk.

Excellent Sound Quality and Expandability

The AnalogiQ preamps deliver clean, transparent sound with low noise and distortion. Its ability to expand your input/output channels means this mixer grows with your needs rather than becoming obsolete.

Ideal for Recording and Monitor Mixing

The built-in USB recording lets you capture live performances or rehearsals directly to a drive. Each musician can also control their monitor mix through the Qu-You app, reducing workload on the sound engineer.

Key Considerations Before You Buy

• App-based control only – There are no physical faders; all mixing is done through the app.
• Network setup is important – A strong Wi-Fi connection ensures smooth remote control.
• Learning curve – It takes some time to master its advanced features, but it’s worth it.
• Premium pricing – It’s an investment, but one that delivers professional-level performance and reliability.

Who Is the QU-SB Best For?

• Small to mid-sized bands who want a portable, pro-grade digital mixer.
• Mobile sound companies or rental houses that need flexibility and easy recording options.
• Houses of worship, corporate AV setups, and touring rigs that value wireless control and rack-mounted design.
• Bands and artists who want to record live shows or perform virtual soundchecks using USB multitrack features.

If you need 100+ channels or prefer a traditional mixing surface with faders, you might look at larger consoles. But for most live applications, the QU-SB strikes the perfect balance of power, portability, and simplicity.

Getting the Most from Your QU-SB

• Use a dedicated Wi-Fi network to avoid interference during shows.
• Save and label your scenes for different venues or performers.
• Explore ProFactory mic presets for quick, great-sounding mixes.
• Record your gigs with the USB multitrack feature for playback and review.
• Let performers use the Qu-You app to manage their monitor mixes.

Conclusion & Recommendation

The Allen & Heath QU-SB is a powerful, compact digital mixer that combines professional sound quality, wireless control, and easy expandability. Whether you’re mixing a live band, setting up an AV installation, or recording on the go, it delivers the flexibility and performance modern engineers need.

Ready to elevate your live sound? Click the link above and upgrade your rig today!