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SPK-9100 

900MHz Wireless Stereo 

Headphones

 

User Manual 

www.audio-unlimited.com

 

www.cablesunlimited.com

 

 

1

 

 

INTRODUCTION 

 

Thank you for purchasing our 900Mhz compact cordless stereo headphone system  

that takes advantage of the very latest advances in wireless transmission technology 

so you can listen to music or the sound from your TV both in the house and outdoors. 

Just connect the transmitter to any audio source- DVD, CD, MP3, Blu-ray, PC, TV, VCR, 

stereo system or radio (range 165 feet*). 

 

 

Actual range depends on ambient, local conditions. 

 

FEATURES

 

1.  Automatic Phase Lock Loop (PLL) scanning system on headphone 

2.  (PLL) Transmission system on transmitter 

3.  Automatic battery recharging ability built into the transmitter (batteries 

supplied) 

4.  900 MHz RF technology allows freedom of movement 

5.  Transmission is not restricted solely to line of sight 

6.  Rechargeable receiver headphones (batteries included) 

7.  High-quality stereo sound is virtually interference-free 

8.  Automatic Level Control (ALC) and Auto On/Off function 

 

IMPORTANT SAFETY INFORMATION 

1.  Read and understand all instructions. 

2.  Follow all warnings and instructions. 

3.  Before placing headphones on head, ensure that the volume is at a 

comfortable level. 

4. 

Reduce the volume or discontinue use if you experience a ringing in your ears. 

5. 

Do not use liquid or aerosol cleaners.  Use a damp cloth for cleaning.  If

 

necessary, use a mild soap. 

Summary of Contents for SPK-9100

Page 1: ... on headphone 2 PLL Transmission system on transmitter 3 Automatic battery recharging ability built into the transmitter batteries supplied 4 900 MHz RF technology allows freedom of movement 5 Transmission is not restricted solely to line of sight 6 Rechargeable receiver headphones batteries included 7 High quality stereo sound is virtually interference free 8 Automatic Level Control ALC and Auto ...

Page 2: ...ny kind on the product 10 To reduce the risk of electric shock do not disassemble this product Opening or removing covers may expose you to dangerous electric shock when the product is subsequently used Take it to a qualified service center when service is required 11 Unplug this product from the wall outlet and refer to qualified service personnel under the following conditions a If liquid has be...

Page 3: ...2V 150 mA AC power adapter UL LISTED 8 Jack plug adapter 3 5 mm 6 3 mm diameter 9 RCA socket audio adapter cable 3 5mm input jack to two RCA plugs 10 Operating indicator light power 11 Charge indicator light charging 12 Audio connection cable with 3 5mm jack 13 Volume control knob VOL 14 AUTO SCAN indicator 15 AUTO SCAN button 16 Battery door 17 DC IN connector 18 Audio input cable 19 Channel sele...

Page 4: ...he transmitter rear panel that can be connected to the audio output left and right on a TV stereo system VCR or radio or to a headphones earphones output using the connector supplied 6 The red operating indicator will light up as soon as you have connected the power adapter to the outlet and the audio cable to a signal source If the operating indicator light remains off switch on the audio source ...

Page 5: ...SPECIFICATIONS Transmission mode UHF stereo Carrier frequency 900Mhz Operating voltage Transmitter 12V 150 mA Receiver 2 4 V two rechargeable batteries LR03 AAA size Frequency response 50 Hz 12 KHz Distortion 1 Signal to noise ratio 72 dB Channel separation 50 dB Range 165 feet max NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part...

Page 6: ...auto tune button on the headphones until the Stereo indicator comes on The headphones battery charge level may be too low Recharge the batteries or replace them with fully charged batteries The headphones may be too far away from the transmitter Move to a location closer to the transmitter The audio signal input level may be too low Increase the volume from the audio source 10 FOR MAXIMUM PERFORMA...

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