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Electro-Voice R300 S HW Mic Sys A-Band HM-3

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The R300-E is a robust UHF wireless bodypack system, suitable for any application where the convenience of a wireless headworn microphone is required. The system's BP-300 rugged metal bodypack transmitter is simple to use, and is powered by two AA batteries. The system's light-weight, double-ear hook HM3 headworn microphone is comfortable for extended daily use, and provides the user the convenience of hands-free presentations or performances. The receiver's dual antenna diversity helps avoid signal dropouts, and its durable metal frame and chassis can either be used on a tabletop, or rack-mounted with optional rack mounting hardware.


  • ClearScan automatically finds the clearest channel
  • EZsync one-step channel setup
  • HM3 omni-directional microphone
  • 14 hour battery life from two AA alkaline
  • Rugged metal transmitter
  • Metal receiver chassis with optional rack mount


  • Frequency Spread : 618.000 MHz - 634.000 MHz
  • NTSC TV Channel Orientation : 38(Lower) to 41(Upper)
  • Antennas: Flexible TNC 1/2 Wave
  • Audio Frequency Response: 80 Hz - 18kHz +/-2dB
  • Balanced Line Level Output (RMS Adjustable): 10 - 100 mV
  • Battery Life: 14 hours with (2) AA alkaline typical
  • Case Material: metal
  • Connector Type: 1/4 inch unbalanced, 3-pin XLR balanced
  • Controls: on/off, Set, Up, Down, Sync
  • Distortion (@ 1 kHz, 40 kHz deviation): Less than 1.0, 0.4 typical %
  • Diversity: True Antenna
  • Dynamic Range: greater than 95 dB
  • Element: HM-3 Omni-directional headworn
  • Number of Channels: 32 per band, 8 Simultaneous
  • Operating Temperature Range: 5º - 45º C (41º - 113º F)
  • Power Requirement: 12-16 VDC, 500 mA max
  • Power Supply: 12 VDC, 500mA max
  • Receiver Type: Synthesized PLL
  • RF Frequency Range: 16 MHz
  • RF Output: 8 mW typical
  • RF Sensitivity (12 dB SINAD): less than 1.0 uV
  • Signal-to-Noise Ratio (A-weighted): greater than 100 dB
  • Squelch: Tone code plus Amplitude
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