Allen & Heath GR4 Rackmount Zone Mixer (GR-4)

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 3.5 mm jack on the front for portable music sources.

FEATURES

• 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 MICSs 2-4 muted for the duration of the announcement. MIC1 zone select LEDs flash slowly when in priority mic mode

SPECIFICATIONS

• 19-inch 4-channel zone mixerblack/grey, clear layout
• compact 1U design, 19-inch rack-mountable
• separate peak and signal LED indicators per channel
• page and alarm inputs for smoke detectors
• Z1 and Z2 fully controllable, Z3 and Z4 volume only
• inputs:microphone (balanced): 1x XLR (front), 4x 3-pin Phoenix terminal block
• line inputs (unbalanced): 4x stereo RCA
• zones (balanced): 2x stereo 3-pin Phoenix terminal block and 2x mono 3-pin Phoenix terminal block
• remote: 2x 4-pin Phoenix terminal block, 1x RJ45
• alarm/page: 2x 2-pin Phoenix terminal block
• AUX in (mini jack on front)
• power cable
• controlsvolume MIC 1 through 4
• volume ST 1 through 4 (line)
• Z1 and Z2: volume mic and music, LF and HF
• Z3 and Z4: volume
• MIC 1 through 4 (rear): 4x low, high and gain
• switchesfront/rear (mic input option)
• Z1: 2x SEL (mic selection, music or both)
• Z2: 2x SEL (mic selection, music or both)
• power on/off
• dip switches (rear): 4x vox/jukebox, 4x zone lock, 4x remote, 4x logic/pp on or off (off by default)
• frequency response: 20 Hz – 20 kHz (+/- 0.5 dB)
• power supply: AC adapter
• dimensions: 438 x 242 x 48 mm (19 inches, 1 U)
• weight: 3.4 kg