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Electro-Voice R300-E Head worn system with HM3 omni‑directional microphone, B-Band (678,5-693,5MHz)

  • 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

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.


Connector Type 1/4 inch unbalanced, 3-pin XLR balanced
Family R300
Controls on/off, Set, Up, Down, Sync
Antennas Flexible TNC 1/2 Wave
Number of Channels 32 per band, 8 Simultaneous
Diversity True Antenna
Squelch Tone code plus Amplitude
Receiver Type Synthesized PLL
RF Sensitivity (12 dB SINAD) less than 1.0uV
Audio Frequency Response 80 Hz - 18kHz +/-2dB
Balanced Line Level Output (RMS Adjustable) 10 - 100 mV
Distortion (@ 1 kHz, 40 kHz deviation) Less than 1.0, 0.4 typical%
Dynamic Range greater than 95dB
Power Supply 12 VDC, 500mA max
Polar Pattern Omnidirectional
Battery Life 14 hours with (2) AA alkaline typical
RF Output 8 mW typical
Element HM-3 Omni-directional headworn
Operating Temperature Range 5º - 45º C (41º - 113º F)
Case Material metal
RF Frequency Range 16MHz
Signal-to-Noise Ratio (A-weighted) greater than 100dB
Power Requirement 12-16 VDC, 500 mA max



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