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NOTE : 

You should now be able to place the speakers freely from room to room without disruption.  If 

disruption should occur (signal breaks up), press the “TUNE” button under the speakers to maximize 

best reception. 

If you hear interference from other components, switch the channel control of transmitter, and then 

move the speakers to other free location.    You can re-adjust the tuning control by moving it among 

channels of the transmitter, then pressing “TUNE” button of the speakers for best reception. 

When transmitting / receiving over long distances, the signal from the system will become weaker. 

 

TROUBLE SHOOTING 

NO SOUND 

z

 

Ensure the AC adaptor is fully inserted into the AC outlet and the power connection input on the 

transmitter. 

z

 

Ensure the speaker is switch ON. 

z

 

Speaker’s battery capacity is too low, replace with new batteries or connect the AC adaptors to 

the speakers. 

z

 

Ensure the TV or audio component is ON. 

z

 

The connected audio / video equipment is not playing.    Start playing the equipment. 

z

 

The volume of speaker is too low, adjust the volume to an appropriate level. 

 

DISTORTED 

z

 

Press the “TUNE” button under the speakers until the frequency between the transmitter and 

speakers are matched. 

z

 

Change the position of the channel selector on the transmitter.  You must then press the 

“TUNE” button on the speakers. 

z

 

Battery capacity is too low.    Replace with the new battery. 

z

 

Ensure the volume level of speakers is adjusted properly. 

z

 

The speaker is too far away from transmitter, move them closer. 

z

 

The input level of the audio signal is too low.  Turn up the volume of the audio source 

equipment. 

Summary of Contents for SP4790A

Page 1: ...SP4790A 900MHz Wireless Speaker...

Page 2: ...mplifier the system enables you to enjoy thrilling lifelike sound stereo in minutes FEATURES z Phase Lock Loop PLL transmission system on product z 900 MHz RF technology stereo speaker systems z RF te...

Page 3: ...2 x AC DC 9V 1 2A Power Adaptor for Speakers 1 x 1 5M Long Audio Cable 1 x Short Y Cord RCA Adaptor Cable...

Page 4: ...FICATION TRANSMITTER SPEAKER RECEIVERS 1 Power LED Indicator 2 Signal LED Indicator 3 Audio In 4 Channel Selector 5 DC In For Transmitter 6 Speaker Grill and Power Signal LED Indicator 7 Infrared Rece...

Page 5: ...Mute 22 Lanyard Ring INSTALLATION TRANSMITTER 1 Plug the supplied 8V AC DC power adaptor in the DC jack located on the rear of the transmitter 2 Connect the supplied 8V AC DC power adaptor to an elec...

Page 6: ...VERS 1 Remove the door of the battery compartment 2 Insert 6 pieces of AA size ALKALINE batteries not included into the battery compartment with correct polarity under the speakers then replace the do...

Page 7: ...REMOTE CONTROL 1 Remove the door of the battery compartment 2 Insert 2 x AAA 1 5V batteries not included into the compartment...

Page 8: ...starts automatically and it stops when a signal is detected 5 Volume can be adjusted up from the speaker by pressing button or down by pressing the button or by pressing or on the remote control to th...

Page 9: ...tion input on the transmitter z Ensure the speaker is switch ON z Speaker s battery capacity is too low replace with new batteries or connect the AC adaptors to the speakers z Ensure the TV or audio c...

Page 10: ...5 S N Ratio 65dB Channel Separation 30dB Operation Distance Up to 50 meters open area Output Power 2 x 4W RMS WARNING 1 Batteries battery pack or batteries installed shall not be exposed to excessive...

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