Allen & Heath GR4 4 Zone Mixer

About: Allen & Heath GR4 4 Zone Mixer

GR4 is a 1U rack-mounting or desktop audio mixer, providing simple yet comprehensive control of background music and paging in bars, restaurants, stores and other leisure / retail environments. Standout features include optional remote wall plates, a mic input on the front panel, plus a 3.5mm jack on the front for portable music sources.

• Mixing: Individual mix and selectable control of all inputs to Z1 & Z2. Multiple options for configuring mix outputs to Z3 & Z4 (via internal jumpers).
• Dynamics: Gain and 2 band EQ available on all mic inputs with an additional 2 band EQ available on Z1 & Z2 outputs.
• Primary mic mode: When audio sensed on MIC1 channel and/or PAGE contact closure is sensed then music is faded to pre-set level and MICs2-4 muted for the duration of the announcement. MIC1 zone select LEDs flash slowly when in priority mic mode.

Installer Selectable Modes

• Primary and secondary mic modes: Perfect for controlling hierarchal microphone feeds such as simple paging announcements.
• Emergency mic mode: For use with 3rd party systems in emergency situations. Mutes all inputs except MIC1 on alarm contact closure.
• Juke box mode: Provides a priority line input to the system for pre-recorded announcements or programme material such as Sports channels.

Connectivity

• Mic Inputs: Four mic inputs on rear mount Phoenix connectors with MIC1 selectable to an optional front mounted XLR.
• Line Inputs: Four stereo inputs on rear mount phono connectors. An additional front mounted 3.5mm jack socket overrides input 4 phono source.
• Zone Outputs: Two stereo (mono selectable via internal jumper) zones on rear mount Phoenix connectors. An additional two mono zone outputs are available with mix output being selectable from internal jumpers.
• Control: Paging and Alarm contact inputs on rear mounted Phoenix connectors allow integration with 3rd party paging stations and fire alarm systems.
• Remote (sold separately): Remote control can be achieved via PL-14 Remote connected to the rear mounted RJ45 or custom/3rd party analogue remotes connected to the rear mounted Phoenix connectors.

Advanced Features

• Entering programming mode allows the following parameters to be adjusted:
• Ducker attenuation
• Ducker hold time
• Ducker release time
• Music crossfade time
• Jukebox hold time
• Jukebox release time