Optimal Audio

Optimal Audio Zone 4

Zone 4 Audio controller with DSP and WebApp

Compact

The Zone 4 is a powerful 4-zone audio controller with built-in Digital Signal Processing (DSP), designed to act as the central hub of your commercial sound system. It enables independent control of volume, source selection, and EQ across multiple zones, making it ideal for environments such as hospitality, retail, and leisure venues. With versatile connectivity including line inputs, SPDIF, microphone inputs, and HDMI, the Zone 4 ensures seamless integration with a wide range of audio and video sources, while advanced DSP delivers clear, high-quality sound throughout your space. 

Zone 4
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Technical Specifications

TYPE
4 zone audio processor with DSP and loudspeaker presets
MIC INPUTS
2 with 48V phantom power, +12dB to +55dB gain
MIC INPUT PROCESSING
Fixed hi-pass filter @160Hz; sweepable mid-band 200Hz-5kHz, +/-12dB; HF Shelf @12kHz
LINE INPUTS
4 stereo with +26dB gain trim. SPDIF option on input 1
HDMI INPUTS
2
LINE OUTPUTS
4
ZONEPAD SOCKETS
4
PAGING INPUTS (CAT 5)
2
LAN ETHERNET 100MBPS
Yes
ALARM OVERRIDE
Yes
DIMENSIONS
(W) 480mm x (H) 88mm x (D) 400mm (W) 18.90” x (H) 3.46” x (D) 15.75”
WEIGHT
9.2kg (20.2lbs

Zone 4 is a zonal audio controller with DSP providing everything required in a single compact unit to become the beating heart of an efficient, high-quality multi-zoned commercial sound system. 

It allows the user to independently allocate sources across four configurable zones, such as a lobby, bar or restaurant, and each zone can be configured to do precisely what is required using the intuitive WebApp.  This includes EQs, speaker presets, structured time of day routines and so much more. 

Zone 4 features 4 line and 2 mic inputs plus 2 HDMI inputs for TV and video sound.  

It has been designed to work seamlessly with other products in the Optimal Audio range and when coupled with the ZonePad and SmartAmp series provides a simple, intuitive and cost-effective audio system with superb sound quality.

  • Full suite of audio controls for up to 4 zones
  • Fully flexible signal routing
  • WebApp interface for easy system configuration and everyday control
  • 2 mic, 4 stereo line and 2 HDMI inputs
  • Fully programmable presets and timed events
  • Very competitive pricing


TYPE4 zone audio processor with DSP and loudspeaker presets
MIC INPUTS2 with 48V phantom power, +12dB to +55dB gain
MIC INPUT PROCESSINGFixed hi-pass filter @160Hz; sweepable mid-band 200Hz-5kHz, +/-12dB; HF Shelf @12kHz
LINE INPUTS4 stereo with +26dB gain trim. SPDIF option on input 1
HDMI INPUTS2
LINE OUTPUTS4
ZONEPAD SOCKETS4
PAGING INPUTS (CAT 5)2
LAN ETHERNET 100MBPSYes
ALARM OVERRIDEYes
DIMENSIONS(W) 480mm x (H) 88mm x (D) 400mm (W) 18.90” x (H) 3.46” x (D) 15.75”
WEIGHT9.2kg (20.2lbs

About Penguin Media Solutions

Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.

The Institute of Sound, Communications & Visual Engineers | ISCVE
Restaurant & Bar Design Awards Winner

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