To transmit music from an S-AIR main unit (transmitter) to multiple speaker systems at the same time, each S-AIR speaker system will need to be paired with the S-AIR main unit using the same S-AIR ID code.
To transmit music from an S-AIR main unit (transmitter) to multiple speaker systems at the same time, each S-AIR speaker system will need to be paired with the S-AIR main unit using the same S-AIR ID code.