How to Add More Headphones onto the Quartet

You can add a 5th pair of compatible headphones to the Quartet transmitter to share the audio with more people. Here's a list of compatible devices you can add to the Quartet transmitter: Quartet-RX Headphones, Duet-RX Headphones, and Wireless Audio Receiver for TR2403s. Other headphones will NOT work. In total you can actually connect up to 100 pairs of Quartet headphones to the transmitter. Here are the steps to follow:

Step 1: Turn on the Quartet transmitter, set it to PAIRING MODE manually by pressing and holding the "PAIR" button for 2 seconds until the "Status" LED starts flashing WHITE quickly.
                                                      
Step 2: Set the headphones into Bluetooth PAIRING MODE (While powered ON , slide the power switch to "PAIR" and hold for 3s , until you see the LED light flashing BLUE quickly).
                                                                                      
Step 3: Keep the devices close to each other and wait. Once connected, the“Status” LED on the transmitter will show solid WHITE, and the headphones LED will show solid BLUE

Note:
1. All of the 4 original headphones in the Quartet set are factory pre-paired to the transmitter, so normally there is no need to pair them again. If a connection issues occurs, please repeat the above steps to reconnect the headphones to the transmitter.

2. When you add more headphones to the Quartet transmitter, the audio will pause in the previously connected headphones and resume as soon as the pairing headphones connect successfully.