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MZ Series


The MZ-64P is a zone control pre-amplifier. Containing four individual distribution zones and five fully featured input channels, audio can be directed accordingly. A dedicated fire/emergency input can override the system. The steel 1U housing is extremely robust and front controls are easy to operate. Front 'scribble' strips allow each zone and input identification. The perfect installation pre-amplifier for retail, leisure, café, bars and halls.

  • 4 zone preamplifier
  • 5 comprehensive audio input channels
  • Balanced Euroblock line outputs per zone
  • Independent bass and treble EQ adjustment on each zone
  • Compact space saving fan-less 1U design (rack mountable)
  • Universal ~100-240V worldwide operation
  • Remote volume control capability using HH MZ-C2 module and standard ethernet cable


  • System Type
    Zone preamplifier with input routing
  • Inputs
    CH1/2 balanced XLR/6.3mm jack combi socket, CH3/4 L&R balanced 3.5mm Euroblock, CH5 3.5mm stereo aux and stereo RCA
  • Outputs
    3.5mm Euroblock connectors for each zone
  • Indicators
    Power/Standby, Input signal present and peak LEDs, Output signal present and clip LEDs
  • Controls
    Adjustable gain control for each input; source select and volume control for all zones
  • Frequency Response
    20-20kHz ±0.1dBu
  • THD+N
    <0.008% @0dBu in, maximum volume; <0.005% @+6dBu in, maximum volume
  • S/N
  • Noise Floor
    < -90dBu
  • Crosstalk
    < -105dB between channels, maximum volume
  • Emergency Override
    Balanced 3.5mm Euroblock connector, overriding the normal inputs
  • Lineout
    3.5mm Euroblock line level output that follows zone 1, useful for system expansion
  • Other Controls
    CH1/2 Mic/line level, phantom power; individual zone limiters with 0dBu/+4dBu modes; front panel lock
  • DSP
    ORIGIN advanced multicore platform
  • EQ
    Each zone has bass and treble shelving control with a low pass filter mode; switchable high pass filter on CH1/2
  • Power Consumption
    <8W Typical, <30W Maximum
  • Unit Dimensions (Hwd)
    44 x 483 x 198 mm (1.7" x 19" x 7.8")
  • Unit Weight
    2.3kg, 5.1lbs
  • Carton Dimensions (Hwd)
    150 x 630 x 290 mm (5.9" x 24.8" x 11.4")
  • Packed Weight
    3.8kg, 8.4lbs
  • Accessories
    Rack mounting kit, Euroblock connectors (8x 3.5mm 3 way, 2x 3.5mm 5 way, IEC mains lead, HH user manual download card

MZ Series Install Zone Amplifiers, Pre-amp & Controllers

The HH MZ Series is a range of high-performance professional install zone amplifiers, pre-amplifier, and wall controllers. Powered by our ORIGIN multi core platform, developed by the HH Electronics team in the UK. Offering industry leading audio performance and features, the HH MZ Series are the perfect tools for commercial system integrators in a wide variety of use cases.

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