Electro-Voice R300 - Audio Parameters; Transmitter Specifications (BP-300 & HT-300)

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Audio Parameters
FrequencyResponse 80–18kHz+/-2dB
BalancedOutput 20dBV(max@40kHzdeviation)
UnbalancedOutput Adjustable8mVto0.755VRMS
Distortion <1.0%,0.4%typical(ref1kHz,40kHzdeviation)
Signal-to-NoiseRatio >100dBAWeighted
DynamicRange >95dB
Transmitters BP-300 and HT-300
RadiatedOutput 8mWtypical
MicrophoneHeadElectroVoice PL22Dynamic
PowerRequirements TwoAABatteries
StandardLavalierMicrophone
EVULM18 
Uni-DirectionalCondenser
TA4FConnectorWiring Pin1:Ground;Pin2MicInput;Pin3:+5Vbias;Pin4:N/C
PowerRequirements TwoAABatteries
BatteryLife(Typical) >14hourswithAAAlkalineTypical
BodypackAntenna Flexibleexternal¼wave
HandheldAntenna Internal
Dimensions(Handheld) 10.57in(26.7cm)Long
Dimensions(Bodypack)
3.3inHx2.6inWx0.89inD
(84mmHx66mmWx23mmD)