HH MZ-280Q 4-Zone Amplifier – 4x 280W RMS, 70/100V & 4Ω, Rack-Mountable with EQ & Remote Control
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The HH MZ-280Q is a powerful and versatile 4-zone amplifier, designed for commercial and professional installations. Featuring four independent 280W RMS Class D power amplifiers, each configurable to run at 70/100V or 4Ω, this unit provides exceptional flexibility for multi-zone audio systems. With dedicated front-panel controls for volume, EQ, and source selection per zone, along with five input channels and remote volume control capability, the MZ-280Q is perfect for venues such as retail stores, restaurants, cafés, bars, and conference halls.
Key Features
- Powerful Output: 4x 280W RMS Class D amplifiers for reliable performance.
- Flexible Speaker Compatibility: Supports 70V, 100V, or 4Ω speaker configurations.
- Independent Zone Control: Front-panel volume, bass, treble, and source selection for each zone.
- Multiple Inputs: 5 input channels, including XLR/jack combi mic inputs, Euroblock, RCA, and aux inputs.
- Microphone Priority Mode: Auto or manual priority settings for clear announcements.
- Compact 1U Rack Design: Space-saving and robust for easy installation.
- Remote Control Support: Compatible with the HH MZ-C2 module via standard Ethernet cable.
- Emergency Override Input: Dedicated Euroblock connector for priority announcements.
- Universal Power Supply: Operates worldwide with 100-240V compatibility.
Why Choose the HH MZ-280Q?
The HH MZ-280Q is designed to simplify multi-zone audio management in commercial environments. Each of its four zones can be independently adjusted, ensuring optimal sound distribution across different spaces. The amplifier’s high-performance Class D circuitry ensures efficient power use while maintaining audio clarity. The front-panel "scribble" strips allow for easy input and zone labeling, making system setup and operation more intuitive. With its durable 1U rack-mountable chassis, the MZ-280Q is built for long-term reliability in demanding applications.
Specifications
| Feature | Details |
|---|---|
| Amplifier Type | 4-Zone Class D Power Amplifier |
| Power Output | 4x 280W RMS |
| Speaker Compatibility | 70V, 100V, or 4Ω (configurable per zone) |
| Inputs | CH1/2: XLR/6.3mm jack combi, CH3/4: Euroblock (L&R), CH5: RCA & 3.5mm stereo aux |
| Outputs | 4-zone amp outputs via 5.08mm Euroblock |
| Controls | Gain control per input, source selection, volume per zone |
| EQ Adjustments | Bass and treble control for each zone |
| DSP Processing | ORIGIN advanced multicore platform |
| Microphone Inputs | Dual combi XLR/jack with phantom power & priority mode |
| Emergency Override | Balanced Euroblock connector |
| Line Out | 3.5mm Euroblock (follows Zone 1 for system expansion) |
| THD+N | <0.01% (mid volume), <0.008% (max volume) |
| S/N Ratio | >110dB |
| Noise Floor | < -70dBu (unmuted), < -110dBu (muted) |
| Crosstalk | < -95dB between channels |
| Power Consumption | 30W (Idle), 300W (Typical), 650W (Max), 0.2W (Standby) |
| Dimensions (HxWxD) | 44 x 483 x 417 mm (1.7" x 19" x 16.4") |
| Weight | 4.9kg (10.8 lbs) |
| Included Accessories | Rack mounting kit, Euroblock connectors, IEC mains lead, user manual download card |