User's Manual

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Table Of Contents

INTRODUCTION

SP3490

This 900 MHz stereo wireless speaker system uses latest wireless

technology that enables you to enjoy music and TV sound anywhere inside

or outside your home. You can simply connect the system to any audio

source such as Radio, TV, VCR, Hi-Fi and CD/MP3/VCD/DVD player.

Without complicated wiring and installation with your Audio/Video

equipments and rear channel amplifier, the system enables you to enjoy

thrilling, lifelike sound stereo in minutes.

Cordless Stereo 900MHZ

Speaker System

FEATURES

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

receivers

2. Phase Lock Loop (PLL) transmission system on transmitter

3. 900 MHz RF technology speaker system.

4. RF technology lets you roam freely throughout your house.

5. Operating distance up to 50 Meters in open area.

6. No line of sight limitation.

7. Virtually interference free stereo quality.

8. ALC and auto ON/OFF control.

9. Auto tuning function.

10. Bass boost function

User’s Manual

Please read before using the equipment

P. 2

Summary of content (6 pages)

PAGE 1
SP3490 INTRODUCTION This 900 MHz stereo wireless speaker system uses latest wireless technology that enables you to enjoy music and TV sound anywhere inside Cordless Stereo 900MHZ Speaker System or outside your home. You can simply connect the system to any audio source such as Radio, TV, VCR, Hi-Fi and CD/MP3/VCD/DVD player.
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COMPONENT IDENTIFICATION TRANSMITTER SPEAKER RECEIVERS P.3 P.
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INSTALLATION SPEAKER RECEIVERS TRANSMITTER 1. Insert 6 pieces ‘AA’ size ALKALINE battery into the battery compartment with correct polarity at the rear of the speakers or connect the 12V 1. Connect the supplied AC power adaptor to an electrical wall outlet. power adaptor to the DC input jack on the rear of each speaker, then 2. Plug the AC power adaptor in the DC jack located on the rear of the plug it to the wall AC outlet. transmitter. 3.
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. Turn on the speaker and adjust the volume to the desired listening level. B) Whenever you find frequency jam, move your channel switch from one channel to the other channel (there are two channels for selection) on the transmitter, and then press the “SCAN” auto-tuning button on the speaker again. 6. The BASS BOOST button can be used to enhance the bass sound 5. Push the “SCAN” auto-tuning button to get the best tuning reception in the speakers.
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of transmitter, and then move the speakers to other free location. You can TROUBLE SHOOTING re-adjust the tuning control by moving it either channel 1, 2 or 3 of the transmitter, then pressing “SCAN” auto-tuning button for best reception. NO SOUND Ensure the AC adaptor is fully inserted into the AC outlet and the - When transmitting / receiving over long distances, the signal from the system will become weaker. SWITCHNG OFF 1. power connection input on the transmitter.
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TECHNICAL SPECIFICATIONS Transmission Mode : UHF stereo Carrier Frequency : 900 MHz Operation Voltage : Transmitter, DC 12V 200mA Speaker, 6 X ‘AA’ size Alkaline batteries or DC 12V 500mA adaptor Frequency Response : 40Hz – 12KHz Distortion : 1.