Algam MZR-804 - Rackable 6 + 2 input (4 zone) zone mixer

Algam MZR-804 – 6+2 input (4 zone) rack-mountable mixer

The Algam MZR-804 zone mixer offers professional audio control in fixed or mobile installations thanks to its 4 independent zones and 8 input channels (6 line and 2 microphone). Its 3U 19" rack format allows it to be integrated into any standard rack cabinet, while its robust steel construction ensures durability. It incorporates channel faders with gain and PFL adjustment, 3-band EQ on the main and zone outputs, limiters, a 100 Hz high-pass filter and a Euroblock emergency input that mutes all sources when a signal is detected. In addition, it has XLR, RCA and Euroblock outputs, RCA recording output and a headphone jack with level control, offering versatility and sound quality for corporate environments, hospitality, events and data centers.

Main features

• Input Channels: 6 RCA line level (4 line + 2 phono/line), 2 microphone (1 front XLR/jack combo, 2 rear TRS jacks)
• Input settings: Gain, individual PFL, phono/line switching on channels 2 and 5
• Main Outputs: 2 balanced XLR, unbalanced RCA, Euroblock; 3-band EQ, limiter, threshold, and talkover pad
• Zone outputs: 3 zones with 1 XLR + 1 Euroblock each; 2-band equalization, limiter, 100 Hz high-pass filter, talkover
• Faders: 6 front-panel channel level faders, master and zone volume faders with source selector and PFL
• Special functions: Stereo FOH input TRS jack, RCA recording output, 6.35 mm headphone output, Emergency Euroblock input, Output Mute, jumpers for emergency settings
• Level indicators: 5-LED bar per zone, 2 bars of 10 LEDs on main output
• Rack format: 3 U (483 × 134 × 184 mm), weight 4.2 kg, 19" mounting

Product benefits

• Multi-area management: Route different audio sources to up to 4 independent zones with customized settings.
• Emergency Priority: The Euroblock 'Emergency' entry replaces all signals for priority announcements.
• Precise control: PFL and limiters on each output ensure proper levels and prevent clipping.
• Professional installation: 3U 19" rack format for integration into telecommunications furniture and cabinets.
• Connection versatility: Compatibility with line, phono, microphone and stereo FOH level sources.

Use cases

• Audio distribution in data centers and control rooms.
• Public address and background music installations in hotels, restaurants, and offices.
• Conference rooms and auditoriums with multiple speaker zones.
• Corporate events where emergency announcements and ambient audio are required.
• Integration into AV systems for classrooms, meeting rooms, and educational spaces.

Frequently Asked Questions

• Can I use vinyl? Yes: Channels 2 and 5 accept phono or line signals with a dedicated switch.
• How does the Emergency input work? When it detects a signal, it overrides all main exits and zones except the emergency zone.
• Can you pre-listen to headphones? Yes, it has a headphone output with level and PFL controls.

Description for projects

3U rack-mountable zone mixer, 8 channels (6 RCA line, 2 microphone), 4 XLR/Euroblock output zones, 3/2 band equalization, limiters, 100 Hz filter, Emergency Euroblock input, PFL control, dimensions 483×134×184 mm, weight 4.2 kg.