RadioShack Corporation 330103T Manuel D’Utilisation

33-103 consists of a 2.4GHz transmitter and a wireless digital headphone. The transmitter has a stereo 

RCA jacks that user can connect to most portable music sources. When the transmitter is powered on, 

the audio input will be wirelessly transmitted to the headphones.   

1.  Connect the transmitter to any music source (e.g. MP3 player, CD player, etc) and then plug the 

AC/DC power adapter to power on the transmitter unit. A RED LED will light to indicate that the 

transmitter is powered ON. 

2.  Play the desired music from your audio source. Once the transmitter detects the audio input, it will 

start transmission and the LED turns to Green to indicate that the transmission is ON. 

3.  Switch on the headphones. A Blue LED will light to indicate the power is on. 

4.  Select the channel switch to the position that same as the transmitter unit. 

5.  Adjust the volume of the headphone to the desired level.   

Once the headphone is turned ON, the Blue LED should light. When the battery level is detected below 

about 3V, the LED will flash then the unit needs to be charged. Charge the battery as soon as possible. 

 

If the unit is not charged when the LED flashes, the headphone stops operation but still consume 

power. When the battery level below about 2.8V, the headphone will be shut down and not LED lights 

anymore until the battery is replaced or charged. 

 

Plug the AC/DC adapter to power on the transmitter unit. Put the headphone on the transmitter docking. 

A blue LED will light to indicate the charging is on.   

 

LED status 

Transmitter unit action 

Blue LED Dual color LED 

Power ON/ no transmission  OFF 

RED LED On 

Transmission start 

OFF 

Green LED On 

Power ON/ Charging start 

On 

Red LED On 

 

FCC ID: AAO330103T