Williams Sound SoundPlus Infrared System WIR TX925 - Manual (Page 7)

SoundPlus ® Infrared System
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Receiver Style: Headset
Earpad Size: 2.5” (6.5 cm) diameter, adjustable headband
Weight: 5.5 oz (155g) without batteries
Color and Material: Black, plastic
Operating Range: Up to 3,500 ft2 (325 m2) when using a single WIR TX9 Emitter
Battery Type: AAA Alkaline batteries (BAT 010)
Battery Life: Alkaline: 80 hours
Battery Drain: 12 mA, nominal
Controls: ON/OFF switch
(2) Thumbwheel volume control knob, left and right
(1) Frequency slide-button selector, 2.3 MHz or 2.8 MHz Monitor button = mutes audio
Indicator: LED - Power: RED = 2.3 MHz; GREEN = 2.8 MHz
Frequency Response: 30 Hz – 20 kHz
Signal-to-Noise Ratio: 60 dB (IEC weighted)
Magnetic Field Strength: 1.9 A/M 9per CFR 68.316)
Deviation: FM wideband modulation
Acoustic Output: 118 dB MAX SSPL90, +/- 1 dB with 6 cc coupler
Approvals: CE, RoHS, WEEE
Warranty: 2-year warranty (excludes physical damage)*
WIR RX15-2 Receiver:
Infrared
sensor
Infrared
sensor
Battery
Cover
Power &
Channel Switch
Power &
Channel Indicator
Audio Input Jack
Monitor Button
Power &
Channel Switch
Power &
Channel Indicator
Volume Knob