4
Williams Sound
®
Helping People Hear
Balance Control:
Use a small screwdriver to adjust the loudness balance between the Left
and Right earphones.
Tone Control:
Use a small screwdriver to adjust the tone between the Left and Right
earphone. Turn the screwdriver clockwise to lower the pitch, counterclockwise to increase
the pitch.
Ear Cushions:
Replacement ear cushions are available from your Williams Sound dealer,
Part number EAR 031.
Specifications:
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:
95 kHz or stereo or 250 kHz
Frequency Response:
200 Hz to 8 kHz, ± 5 dB
Signal to Noise Ratio:
60 dB at 10 m
Controls:
Volume control thumbwheel; 3-position
selection switch (95 kHz, stereo, 250 kHz);
Screwdriver adjust balance control
Acoustic Output:
112 dB MAX SSPL90 with 2 cc coupler
Compatibility:
Compatible with 95 kHz and 250 kHz IR
transmitters: WIR TX95, WIR TX800,
WIR TX850, WIR TX10
Power Switch:
Built into receiver “arms”
On Indicator:
Green LED
Ear pads:
Uses EAR 031 foam cushions
Warranty:
5 years (1 year on battery)
Approvals:
CE
BAL
L
L
-
-
R
-
–
+
R
–
+
Tone Controls
Balance Control
Rear View
