WIR RX237 Receiver:

Weight:

1.7 oz (50 g) with battery

Material and Color:

ABS plastic, Black

Battery Type, Life:

BAT AP97A NiMH Battery Pack, 6 hours

Modulation Frequency:

2.3 and 2.8 MHz

Frequency Response:

200 Hz to 8 kHz, ± 5 dB

Signal-to-Noise Ratio:

60 dB at 9m

Controls:

Volume control thumbwheel; screwdriver

 

adjust balance

 

and (L & R) tone controls

Acoustic Output:

115 dB MAX SSPL90 with EAR 013 (2cc

 

coupler)

Compatibility:

Compatible with transmitters operating on

 

2.3 MHz/2.8 MHz

Power Switch:

Built into jack

Approvals:

RoHS, WEEE

Warranty:

5 years, parts and labor*

WIR RX238 Receiver:

Weight:

2.1 oz (60 g) with batteries

Material and Color:

ABS plastic, Black and Grey

Battery Type, Life:

BAT AP97A NiMH Battery Pack, 6 hours

Modulation Frequency:

2.3 MHz and/or 2.8 MHz

Frequency Response:

200 Hz to 8 kHz, ± 5 dB

Signal to Noise Ratio:

60 dB at 30 ft. (9m)

Controls:

Volume control thumbwheel; screwdriver

 

adjust balance and (L & R) tone controls

Acoustic Output:

112 dB MAX SSPL90 with 2 cc coupler

Compatibility:

Compatible with transmitters operating on 2.3

 

MHz, 2.8 MHz, or both (stereo)

Power Switch:

Built into receiver “arms”

Ear pads:

Uses EAR 031 foam cushions

Approvals:

RoHS, WEEE

Warranty:

5 years*

*90 days on cords, batteries, power supply and other accessories.

®

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Williams Sound Model WIR 237 Model WIR 238 Model WIR 239 manual WIR RX237 Receiver