QLXD1 Belt Pack Transmitter (G70) QLXD2 Handheld Transmitter (G50) QLXD4 2 Channel Wireless Receiver Axient AD1 Belt Pack Transmitter (G57) Axient AD2 Handheld Transmitter (G57) Axient AD4Q Digital Wireless Receiver (A) ULX1 Belt Pack Transmitter (J1) ULX2 Handheld Transmitter (J1)