R300 L

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• ClearScan finds the clearest channel available
with the touch of one button
• EZsync infrared channel transfer from the
receiver to the transmitter for easy and
error-free setup
• PL22 cardioid dynamic microphone element for
crisp, clear vocals in any application
• 14 hour battery life from two AA alkaline
batteries
• Rugged metal transmitters with backlit LCD
display and battery gauge
• 32 preset channels, with compatible groups of 8
channels for simultanious use
• Bodypack with TA4 connector – compatible with
all Electro-Voice lapel and headworn
microphones for easy upgrades
• Detachable half-wave receiver TNC antennas
allow for use with the APD4+ antenna
distribution system
• Metal receiver chassis with optional rack mount
ears and front mount antenna cables

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Features
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Features

Electro-Voice R300-L Wireless Lavalier Microphone
Receiver Type
Synthesized PLL
Frequency Range (RF)
A Band 618 – 634 MHz B Band 678 – 694 MHz C Band 516 – 532 MHz E Band 850 – 865 MHz
Number of Channels
32
Modulation
± 40 kHz
Diversity
True Antenna
RF Sensitivity
<1.0 μV for 12 dB SINAD
Image Rejection
> 55 dB
Squelch
Tone Code plus Amplitude
Power Requirements
12–16 VDC, 500mA max
Operating Temperature
5°C to 45°C (41°F to 113°F)
Dimensions
43 mm H x 206 mm W x 210 mm D (1.72 in H x 7.8 in W x 8.0 in D)
Audio Parameters
Frequency Response
80 Hz – 18 kHz ± 2 dB
Balanced Output
20 dBV (max @ 40 kHz deviation)
Unbalanced Output
Adjustable 8 mV to 0.755V RMS
Distortion
< 1.0%, 0.4% typical (ref 1 kHz, 40 kHz deviation)
Signal-to-Noise Ratio
> 100 dB A-Weighted
Dynamic Range
> 95 dB
BP-300 and HT-300 Transmitter Specifications:
Radiated Output
8 mW typical
Back Lit LCD Display
Channel, Frequency, Mute, and Battery Level
Microphone Head
Electro-Voice PL22 Cardioid Dynamic
Standard Lavalier Microphone
Electro-Voice ULM18 Uni-Directional Condenser
TA4F Connector Wiring
Pin 1: Ground; Pin 2: Mic Input; Pin 3: +5V bias; Pin 4: +5V thru 2.2k Ω
Power Requirement
Two AA batteries
Battery Life (Typical)
> 14 hours with AA alkaline typical
Bodypack Antenna
Flexible external 1/4 wave
Handheld Antenna
Internal proprietary
Dimensions (Bodypack)
84 mm H x 66 mm W x 23 mm D (3.3 in H x 2.6 in W x 0.89 in D)
Dimensions (Handheld)
26.7 cm (10.57 in) Long