Audiovox WHS250 User manual

Notes:
• For best results, IR transmitter must be installed as shown with the LED’s pointing toward the rear of the
vehicle (Fig. 1)
• Audio input can be connected to either a low-level fixed audio output or a variable level audio output (such as a
speaker or headphone output). If it is connected to a low-level output, only the volume control on the headphones
needs to be adjusted to control volume level. If connected to a variable level output, volume adjustment needs to be
done at both the source and at the headphones.
905 #
Low Profile Two Channel Automotive
Infrared Stereo Headphone System
Parts supplied
1. IR transmitter (1)
2. IR Transmitter harness (1)
3. IR headphones (2)
4. Batteries,AAA(4)
Fig. 1
TRANSMITTER POSITIONING DIAGRAM
Wire harness with RCA connectors (Fig. 2).
1. Using dual RCA (M/M) cable (not supplied, length determined by installation) connect one end to red and white
RCA jacks. Connect the other end to low level signal source.
2. Connect pin 4 (black wire, negative) to ground of vehicle.
3. Connect pin 5 (red wire, +12 volt) to ignition source (source that supplies +12 volts when the ignition is
switched on).
Fig. 2
4. DC 12V IN + (POSITIVE)
3. DC 12V GND – (NEGATIVE)
1. LEFT RCA CHANNEL IN
2. RIGHT RCA CHANNEL IN
1. GROUND
2. WHITE
3. RED
4. BLACK
5. RED
1. GROUND
2. WHITE
3. RED
1. LEFT RCA CHANNEL IN
2. RIGHT RCA CHANNEL IN
WIRING DIAGRAM
CHANNEL B
CHANNEL A
INSTALLATION INSTRUCTIONS
TRANSMITTER
POSITION IN MIDDLE OF
SEATING AREA
TRANSMITTER
FRONT REAR
POSITION JUST ABOVE THIGH AREA OF SECOND PASSENGER
ROW SEATING

IR Transmitter
1. Plug wire harness into transmitter.
2. Fasten transmitter to headliner using two short screws (make sure that screws do not puncture metal of roof).
3. Install the two plastic covers to conceal the mounting screws.
Wireless headphones
1. Follow directions in owner’s manual for proper operation.
Fig. 3
TOP VIEW
SIDE VIEW
IN-CAR TRANSMITTER CEILING OF THE CAR
© 2002 Audiovox Corp., Hauppauge, N.Y. 11799 128-6498
ALWAYSFACELEDsTOWARDSREAROFVEHICLE