Inter-M Americas Inc MA-224USB
240-Watt Mixer Amplifier with Built in MP3 Player and USB


The Inter-M Americas Inc MA-224U is a 6-input 120-watt mixer/amplifier with a built in digital portable media player that will playback MP3/WMA/WAV audio files. The MA-U series offers input flexibility with its 6 flexible microphone and line level selectable inputs.

Input options include 5 selectable microphone or line level, a telephone and a dual RCA sum-to-mono. The A front panel 1/8" mini-jack makes it easy to plug-in a portable music source.

The MA-224U series uses a Class D amplifier topology combined with a SMPS, Switch mode power supply, for added energy efficiency in a compact size.

The MA-224U series mixer-amplifiers provide outstanding value and functionality for installed sound applications in a wide variety of commercial installations including: Education, Fitness Centers, Retail, Restaurants, dance studios, and BGM.

Inter-M Americas Inc MA-224USB Features:

  • Built in MP3 / WMA / WAV player. Audio files are accessible via the front panel USB connector
  • SMPS – Switch Mode power supply technology design delivers high power output with low-power consumption and low weight
  • 6 input mixer amplifier with 5 microphone or line level selection (line-level input, mic level input, and phantom power)
  • Signal indicator confirms and displays signal present for each input
  • 5-Band Equalizer for precision tone adjustment
  • Five zone speaker selector switch, allows for independent or all zone broadcast
  • Front panel CHIME and SIREN with external trigger
  • External MUTE and Telephone paging input
  • VCA remote master volume level control
  • 10 segment LED level indicator

Inter-M Americas Inc MA-224USB Specifications:

  • Rated Output (RMS): 240W
  • Frequency Response (SP OUT/1W output): 80Hz - 15kHz
  • Total harmonic Distortion (T.H.D @ Rated output, 1kHz): Less than 0.5%
  • Signal to Noise Ratio (S/N @ Rated output): Better than -78dB
  • GRAPHIC EQUALIZER (100Hz,330Hz,1kHz,3.3kHz,10kHz): ±12dB
  • Input sensitivity / Impedance:
    • INPUT: 1~5 MIC -50dBu / 2kOhms
    • LINE:-10dBu / 2kOhms
    • INPUT: 6 -10dBu / 10kOhms
    • TEL IN: 0dBu / 10kOhms
    • EXTIN: 0dBu / 20kOhms
    • AMP IN: 0dBu / 47kOhms
  • MIX OUT / Impedance: 0dBu / 10kOhms
  • Speaker Out /Impedance:
    • LOW-Z: 31V / 4Ohm
    • HIGH-Z: 100V / 83Ohm
  • Power Source: 100–240VAC, 50/60Hz
  • Power Consumption (1/8W output): 75W
  • Weight: 17.6 lbs (8.0kg)
  • Dimension (WxHxD): 16.5" x 3.5" x 12.9"
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