Williams Sound SoundPlus Basic Courtroom System WIR SYS 1 Specification Sheet page 7

SoundPlus ® Basic Courtroom System •
D
D
WIR RX22-4 Receiver:
Receiver Style:
Size:
Weight:
Color and Material:
Lanyard:
Operating Temperature:
Battery Type:
Battery Life:
Battery Drain:
Charging Contacts:
Carrier Frequency:
De-Emphasis:
FM Deviation:
Signal-to-Noise Ratio:
Squelch:
Frequency Response:
Total Harmonic Distortion:
Controls:
Indicators:
Audio Output Jacks:
Audio Output Power:
Acoustic Output:
Sensitivity:
Approvals:
Warranty:
Compatible Headphones/Earphones: Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug,
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2006, Williams Sound Corp. MCAT 027D
Body-Pack, dual-lens detector, lanyard
4.5" L x 2.85" W x 1.2" H (114.3 mm x 72.4 mm x
30.4 mm)
4.6 oz (130 g) with batteries
Black
3 ft (.91 m), allows receiver to be worn around the neck
-10° C to +50° C
2 x AA, alkaline (BAT 001) or NiMH (BAT 026)
Alkaline: 60 hours, NiMH: 30 hours/charge
25 mA, nominal
For use only with CHG 3512
Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
50 uS
±50 kHz
60dB min.
Receiver squelches (mutes) at 40 dB S/N ratio
25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Less than 1%, electrical response
ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch
Red LED "ON" indicator, flashes to indicate Low battery
3.5 mm stereo mini phone jack
Accepts 3.5 mm mono or stereo phone plug
15 mW max at 32 Ω
110 dB SSPL90 w/ EAR 013
Better than 1 nW/cm 2 for 40 dB signal-to-noise ratio
CE, FCC, RoHS, WEEE
5 years on receiver, 90 days on accessories
HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001
7
Model WIR SYS 1
Fig. 9: WIR RX22-4 Receiver
Earphone
Jack
"On"
Indicator LED
RX22-4 Top
RX22-4 Front
Channel
Selector Knob
OFF
On/Off
Volume Switch