SpectraPulse® mtu301

Body-pack Transmitter Unit

*Manufacturer's Suggested Retail Price. Actual selling price may vary; please check with an authorized Audio-Technica dealer.



  • Overview
  • Features
  • Downloads

  • Overview


    The mtu301 Body-pack Transmitter allows speakers the flexibility to transmit audio as they move throughout the entire SpectraPulse coverage area. The mtu301 can be used with Audio-Technica Wireless Essentials® lavalier and headworn microphones. The unit provides bias voltage for electret condenser microphones. It offers rugged metal housing, an on/off switch, a mute switch, and LEDs indicating power/mute and link status as well as low-battery warning. Operates using 2 standard alkaline or NiMH rechargeable AA batteries. The mtu301 Body-pack Transmitter should be used with systems employing two or more drm141 Digital Receiver Modules.

  • Features

    mtu301 Specifications
    Input Connector4-pin locking connector. Compatible with Audio-Technica Wireless Essentials® lavalier and headworn microphones
    Bias voltage to mic feedThe mtu301 delivers 11.5V DC to pin 4 of the input connector
    Battery type Two 1.5 volt AA alkaline batteries are included. Rechargeable SANYO brand NiMH AA batteries are recommended; they are included with the available chg001 wall charger.
    Battery Life Approximately 9 hours, depending on battery type and use pattern
    Current Consumption260 mA at 3 V DC
    Average RF Power40 nanowatts
    Optional Encryption AES level 3, 128 bit
    Dimensions81.8 mm (3.22") W x 118.0 mm (4.65") H x 27.5 mm (1.08") D
    Weight227.0 g (0.5 lbs), less batteries


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  • Downloads

    mtu301 Submittal Sheet (pdf 122.76 KB)
    SpectraPulse mtu301 Transmitter Manual (pdf 510.48 KB)
    Wireless Mics & Cables Wireless System Accessories Using Wireless