HS120

120W Mixer Amplifier
MP3 Player, Bluetooth®, Tones

The HS series is Australian Monitor’s next generation of Class D mixer amplifiers, delivering high quality audio reinforcement with the power you need – 60, 120, 250 and 500 watt options, all in a one rack unit package.

Our new amplifiers are fully featured, offering 7 external and 2 internal audio input channels, each channel offering individual channel volume control, equalizer and gain control. An inbuilt user-customizable tone generator, MP3 player, Bluetooth® module, 3.5mm jack and USB charger are included as standard in all models.

The HS series has been designed with all of the features and power to suit a vast range of installations, from the boardroom to the classroom, school hall to bar, restaurant or function space.

Quantity must be 1 or more


  • • 120W Class D amplifier stage
    • 4 Ohm / 70V and 100V outputs
    • 9 audio input channels. 6 rear & 3.5mm Jack, Bluetooth® and MP3
    • Individual gain/equalisation control on all external audio inputs
    • Priority mute control on channels 1-3, with level and time release control
    • Magnetic cover for customer concealed eq and gain controls
    • Embedded tone generator for bell/alert/evac/chime/ intruder plus 11 fully customisable user tones
    • Embedded MP3 player via onboard SD card socket supporting random, sequenced and single playback
    • Bluetooth® 3.0+EDR audio receiver supporting advanced audio distribution profile (A2DP)
    • Tamper-proof channel attenuation by disabling external volume controls

    Class-D Amplifier

    The HS mixer amplifiers use an efficient Class-D amplifier topology allowing a greater power density with a much lower weight.
    All amplifier channels offer 100V, 70V and 4Ω output options so you can choose the output configuration to match your application.

    9 Input Channels

    The HS series has all the connectivity options required for a multitude of input sources.
    • 6 MIC or Line level rear inputs with XLR, Euroblock and RCA connector types
    • 3.5mm front panel input
    • Bluetooth® audio receiver
    • MP3/WAV Player

    Priority Muting Control

    Priority muting allows the amplifier to duck/mute specific input channels when either talkover/messages or tones are triggered.
    The priority muting has four modes,
    • Channel 1 Only
    • Ch1 then Ch2 then Ch3
    • Ch1 and Ch2 then Ch3
    • Off
    The first 3 input channel levels can be individually set to trigger the muting function as well as a global setting for how long to apply the mute.
    In addition, tones from the SD card can be configured to trigger the priority muting when a tone is played.

    Embedded Tone Generator

    The HS series embeds a customisable tone generator which can play 5 internal tones as well as an additional 11 custom tones from an SD card.
    The internal tones can also be overwritten by placing alternative files on the SD card.
    Finally, the tone generator also offers the ability to play files at specific volumes as well as trigger the priority scheme for channel muting during playback.
    All tones are triggered using the rear LOGIC input connector.

    Embedded MP3/WAV Player

    The HS series includes an integrated MP3/WAV player.
    Audio files can be placed from an SD card (not included) and played using the front panel controls.
    Files can be played in sequential or random order depending on which audio folder is selected. Simply hold down the Play/Pause button to swap between folders to change the play mode.

    Magnetic Concealment Cover

    A magnetic cover conceals tone control, gain and volume defeat options to ensure end users do not tamper with the desired audio setup.

  • Output Power per Channel 120W Frequency Response 100Hz - 16kHz
    Output Mode 4 Ohm-70V-100V THD+N < 0.3%
    Input Channels 6 MIC or Line - Bluetooth - MP3 and Aux Signal to Noise Ratio > 75dB
    Input Voltage 220-240Vac 50-60Hz Input Sensitivity 0dBu
    Mounting 1RU Cooling Convection
    Warranty 5 years
    Product Dimensions
    (W x D x H)
    438mm x 306mm x 44mm Shipping Dimensions
    (W x D x H)
    516mm x 420mm x 106mm
    Net Weight 5.3 Kg Shipping Weight 7.2 Kg
    GTIN EAN 9323383019522
  • In order to show the current firmware version, Hold the “FWD” and “BCK” buttons simultaneously.
    A combination of flashes from the PROTECT and STATUS LEDs show the firmware version.
    Protect LED = Major firmware version, Status LED = Minor firmware version
    Example; protect LED flashes once and status LED flashes three times. Firmware version = 1.3
    • Download the firmware update from the product page
    • Extract the flash folder and place the folder on the root of an SD card • Insert the SD card into the product
    • Turn the product off and then on
    • The status LED will briefly flash and then stay on.
    • Update complete
    The minimum guaranteed range is 10m.
    Yes.
    The HSMIX is the mixer only version of this product range.
    The PIN number is 2626
    Unfortunately no.
    However, once connected to the PICOBLU you can typically rename the connection on the device such as a mobile phone.
    The SD card can be used to store MP3 or WAV audio files for the embedded player.
    It can also store custom tones or tones to override the inbuilt tone generator.

    See the download section for an SD card template file which shows the layout of the files and folders required.

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