The ZM 2124 is a master unit from the ZM 2000 system series, equipped with a 240 W internal amplifier and a preamplifier managing six selectable zones. Built on a dual-bus architecture, it separates selective/all-call paging from music or other audio signals for flexible audio routing. This architecture enables independent control of paging and music distribution, with toggle buttons to enable or disable music on each zone.
The system supports priority management for audio inputs, multiple paging inputs, and auxiliary external amplifier input for zones requiring additional power. It also features programmable general-purpose inputs and outputs for integration with external devices and automation systems.
Designed for small to medium-sized installations, the ZM 2124 links up to eight ZE 2200 zone expansions, extending its reach to a total of up to 54 zones. It supports up to six consoles and offers various input connectors, including XLR and RCA, for microphone, line, and paging sources.
With a robust metal chassis and rack-mountable 19″ 3U size, the unit is suitable for professional installations requiring reliable multi-zone audio control with emergency and paging capabilities.
Features
240 W total built-in power amplifier
Dual-bus system architecture for paging and music distribution
Selectable input priority for emergency and auxiliary audio
Supports up to 6 zone selections with output level control
Expandable with up to 8 ZE 2200 zone expansion units (up to 54 zones total)
24 V DC secondary power supply
Dedicated paging inputs (up to 6 BM 2006 consoles)
Emergency audio input and auxiliary external amplifier input
Selectable chime generator for notifications
Dedicated wall mount remote control
Programmable General Purpose Inputs (GPI) and Outputs (GPO) for system integration
Rack-mountable 19″ 3U metal cabinet
Specifications
| Zones managed | 6 zones (expandable up to 54 zones) |
| Built-in amplifier | Yes, 240 W total power (100 V RMS) |
| Number of channels | 6 |
| Max consoles supported | 6 |
| Communication bus | Serial |
| Connection cables | FTP CAT 5 |
| Frequency response (-3 dB) | 50 Hz ÷ 20 kHz |
| Signal-to-noise ratio (A-weighted) | > 75 dB |
| Distortion (THD+N) @ 1kHz | < 1% |
| Total inputs | 9 (6 balanced, 3 unbalanced) |
| Mic inputs | 2 XLR with 17.5 V phantom |
| Line inputs | 2 RCA |
| Mic + Line inputs | 2 XLR with 17.5 V phantom |
| Paging inputs | 3 (RCA, RJ45 connectors) |
| Paging command | Contact |
| General Purpose Inputs (GPI) | 10 programmable |
| Signal output | 1 XLR |
| Power output connectors | Euroblock |
| General Purpose Outputs (GPO) | 10 |
| Tone controls | Yes |
| Priority control | Yes |
| Music on hold | Yes |
| Chime tone generator | Selectable |
| Cooling | Convection |
| Operating voltage | 220–240 V / 115 V ~ 50/60 Hz |
| DC power supply | 24 V DC secondary power |
| Max power consumption | 720 W |
| Safety certification | CE compliant |
| Cabinet material | Metal |
| Color | Black |
| Rack mounting | 19″ rack, 3U height |
| Height | 133 mm / 5.24 inches |
| Width | 430 mm / 16.93 inches |
| Depth | 365 mm / 14.37 inches |
| Weight | 16.4 kg / 36.16 lbs |















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