SoundPlus® Infrared System • Model WIR SYS 90V

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SoundPlus® Infrared System • Model WIR SYS 90V

WIR RX22-4 Receiver:

Receiver Style:

Body-Pack, dual-lens detector, lanyard

Size:

4.5" L x 2.85" W x 1.2" H (114.3 mm x 72.4 mm x

 

30.4 mm)

Weight:

4.6 oz (130 g) with batteries

Color and Material:

Black

Lanyard:

3 ft (.91 m), allows receiver to be worn around the neck

Operating Temperature:

-10° C to +50° C

Battery Type:

2 x AA, alkaline (BAT 001) or NiMH (BAT 026)

Battery Life:

Alkaline: 60 hours, NiMH: 30 hours/charge

Battery Drain:

25 mA, nominal

Charging Contacts:

For use only with CHG 3512

Carrier Frequency:

Channel 1: 2.3 MHz, Channel 2: 2.8 MHz

 

Channel 3: 3.3 MHz, Channel 4: 3.8 MHz

De-Emphasis:

50 uS

FM Deviation:

±50 kHz

Signal-to-Noise Ratio:

60dB min.

Squelch:

Receiver squelches (mutes) at 40 dB S/N ratio

Frequency Response:

25 Hz to 16 KHz, +1 dB, -3 dB, electrical response

Total Harmonic Distortion:

Less than 1%, electrical response

Controls:

ON/OFF/VOLUME: combination thumbwheel knob

 

Channel Selector: four-position rotary switch

Indicators:

Red LED “ON” indicator, flashes to indicate Low battery

Audio Output Jacks:

3.5 mm stereo mini phone jack

 

Accepts 3.5 mm mono or stereo phone plug

Audio Output Power:

15 mW max at 32 Ω

Acoustic Output:

110 dB SSPL90 w/ EAR 013

Sensitivity:

Better than 1 nW/cm2 for 40 dB signal-to-noise ratio

Approvals:

CE, FCC, RoHS, WEEE

Warranty:

5 years on receiver, 90 days on accessories

Compatible Headphones/Earphones:

Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug,

 

HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001

Fig. 8: WIR RX22-4 Receiver

Earphone

Channel

Jack

Selector Knob

 

OFF

"On"

On/Off

Indicator LED

Volume Switch

RX22-4 Top

RX22-4 Front

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

 

©2008, Williams Sound Corp. MCAT 064A

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Williams Sound WIR SYS 90V dimensions WIR RX22-4 Receiver

WIR SYS 90V specifications

Williams Sound WIR SYS 90V is a versatile and advanced assistive listening system designed to enhance audio clarity and accessibility in various environments. This system is particularly beneficial for individuals who are hard of hearing, ensuring that they can fully engage in conversations, lectures, and performances.

One of the main features of the WIR SYS 90V is its FM technology, which operates in the 72-76 MHz frequency range. This frequency range ensures minimal interference from other electronic devices and is compliant with legal regulations in many areas. The system includes a transmitter and multiple receiver units, allowing for a robust setup that caters to different settings, whether it be in theaters, classrooms, or even places of worship.

The WIR SYS 90V transmitter is designed with user-friendly controls, making it easy to adjust settings for optimal audio quality. It can connect to virtually any sound system via various input options, including microphone inputs and line-level connections. This flexibility allows the system to integrate seamlessly with existing audio setups, enhancing the listening experience without the need for extensive modifications.

The receivers included in the WIR SYS 90V package are lightweight and comfortable to wear, providing clear sound directly to the user without being obtrusive. They feature volume controls, allowing users to adjust sound levels according to their personal preferences. The system can support multiple receivers simultaneously, accommodating diverse audiences in need of assistive listening.

Another notable characteristic of the WIR SYS 90V is its compatibility with induction loop systems and hearing aids equipped with telecoils. This ensures that users with hearing aids can utilize the system effectively, expanding its accessibility.

The WIR SYS 90V is also built for durability, ensuring long-lasting performance under regular use. The transmitters and receivers are designed to withstand the rigors of different environments, making them ideal for both permanent installations and portable applications.

In conclusion, the Williams Sound WIR SYS 90V assistive listening system stands out with its advanced FM technology, user-friendly design, compatibility with hearing aids, and reliable performance. Whether for casual gatherings or large events, this system significantly enhances audio accessibility, ensuring that no one misses out on important spoken content.