the t.bone TWS Lapel Set 600 MHz@+*Bundle offer comprising*, the t.bone TWS 16 PT 600 MHz, UHF Wireless System, 9.5"" Diversity receiver, Bodypack transmitter (line/mic switchable) with 3-pin mini XLR connection (AKG compatible), 16 Switchable frequencies (606 MHz - 630 MHz), 3 Systems can be simultaneously