Allen & Heath GL2400-32 Dual-Function Live Mixer

The Allen & Heath GL2400-32 is a professional 32-channel analog live sound mixer designed with dual functionality, meaning it can operate as a Front-of-House (FOH) console or be switched into a monitor desk. This makes it ideal for touring bands, rental companies, houses of worship, theatres, and recording environments that require versatility and reliability.

Key Features

• Dual-Function Design
  Switch easily between FOH and monitor modes. In monitor mode, the aux masters gain full functionality with faders, mutes, inserts, meters, and balanced XLR outputs. Capable of running up to 10 mixes including stereo IEMs and wedge monitors.

• Channel Configuration

  • 32 mono mic/line input channels

  • 2 stereo channels with mic and dual line inputs

  • Individual phantom power and polarity switching per channel

• Routing & Busing

  • 4 subgroups with pan control

  • 6 auxiliary sends per channel (switchable pre-/post-fader)

  • Main LR mix plus a configurable M output (LR sum, wedge monitor, aux-fed sub, or C-master mix)

  • 7×4 matrix section for flexible routing, with external inputs and trims

• Sound Quality & EQ

  • High-headroom mic preamps with up to +74 dB gain

  • 4-band EQ on mono channels, with two sweepable mids

  • 100 Hz high-pass filters

  • Frequency response 20 Hz–30 kHz

  • THD+N less than 0.006%

• Audio Tools

  • Channel direct outputs for recording

  • Internal jumpers for customizing routing

  • Built-in talkback mic control

  • 1 kHz oscillator and pink-noise generator for setup and testing

Technical Specifications

• Inputs & Outputs: 32 mono channels + 2 stereo channels, 6 aux sends, 4 subgroups, LR + M main outs, 7×4 matrix outputs

• Signal Noise: Mic EIN around –128 dB; main output noise < –92 dBu

• Dimensions: Approx. 114 cm × 25 cm × 63 cm (45″ × 10″ × 25″)

• Weight: About 26.5 kg (58 lb)

The Allen & Heath GL2400-32 is a rugged, flexible, and great-sounding analog console built for serious live applications. It combines powerful routing, clear sound quality, and smart live tools in a durable package, making it a trusted workhorse for engineers who need one mixer that can handle both front-of-house and monitor duties.