Allen & Heath GX4816 | 48x16 XLR Audio Expander with DX Ports for dLive & SQ

48x16 Audio Stagebox Expander for Allen & Heath Mixers

The Allen & Heath GX4816 is a powerful 48-input / 16-output stagebox expander designed for seamless integration with dLive and SQ series digital mixing systems. With pristine 96 kHz audio, high-performance mic preamps, and flexible I/O expansion via DX ports, this unit is ideal for live sound professionals who demand reliability, clarity, and scalability in a rugged, rackmount-ready form.

Allen & Heath GX4816 Competitive Differences

• 48 high-grade dLive mic preamps with individually selectable phantom power and status LEDs
• Operates at 96 kHz for ultra-clear audio performance
• 16 balanced XLR line-level outputs
• Dual DX ports support up to four additional DX expanders
• ME personal mixing system compatibility via DX2 socket
• Plug-and-play setup with no IP configuration required
• Compatible with CAT5e or higher cabling up to 328 ft (100 m)
• Supports up to 5 GX4816 units with dLive S Class, 3 with C Class, and 2 with SQ systems
• 5U rackmountable or shelf/floor placement options with included ears

Allen & Heath GX4816 Description

The GX4816 from Allen & Heath is a rugged, road-ready GX expander that adds professional-grade remote I/O flexibility to any dLive or SQ system. It delivers 48 low-noise, fully recallable mic preamps through balanced XLR inputs, all with per-channel phantom power control and status indication. In addition, 16 balanced line outputs ensure pristine signal routing to any destination. Built to operate at 96 kHz, the GX4816 maintains high-resolution audio performance throughout the signal chain. Its dual DX ports allow you to connect up to four additional DX expanders or interface directly with ME personal monitor mixers. Whether on the stage or in the rack, the GX4816 ensures effortless plug-and-play connectivity with etherCON locking ports and support for standard CAT5e or better cabling. From touring productions to fixed installs, the GX4816 is engineered to scale with your needs, supporting multiple unit configurations depending on your mixer setup.

GX4816 Features

• 48 dLive-quality mic preamps with phantom power and status LEDs
• 16 balanced XLR outputs
• Two DX ports for expansion (up to four DX expanders total)
• 96 kHz audio resolution
• ME personal mixing system compatibility
• 5 RU rackmount or floor/shelf placement
• Plug-and-play with no IP addressing required
• etherCON locking ports
• Up to 2 GX4816s with SQ, 5 with dLive S Class, and 3 with dLive C Class

GX4816 Specifications

• Mic/Line Inputs: 48 x balanced XLR, +48V phantom power
• Mic/Line Preamp: Fully recallable
• Input Sensitivity: -60 to +15 dBu
• Analog Gain: +5 to +60 dB in 1 dB steps
• Pad: -20 dB active pad
• Max Input Level: +30 dBu (pad in)
• Input Impedance: >4 kOhms (pad out), >10 kOhms (pad in)
• Mic EIN: -127 dB with 15Ω source
• Phantom Power Indication: Per socket, triggered at 24V
• Analog Outputs: 16 x balanced XLR, relay-protected
• Output Impedance: <75 Ohms
• Nominal Output: +4 dBu = 0 dB meter reading
• Max Output Level: +21 dBu
• Residual Output Noise: -95 dBu (muted, 22 Hz–22 kHz)
• Operating Temperature: 32 to 104°F (0 to 40°C)
• Power Requirement: 100–240 VAC, 50/60 Hz
• Max Power Consumption: 80 W
• Dimensions: 18.9 x 10.0 x 9.0 in (48.0 x 25.4 x 22.8 cm)
• Weight: 17.6 lb (8.0 kg)
• Shipping Dimensions: 22 x 14.4 x 13.7 in
• Shipping Weight: 22.6 lb

What's In The Box

• Allen & Heath GX4816 Audio Expander
• Rack ears
• Power cord