Complete UHF system - Up to 8 simultaneous systems per frequency band - Automatic search for the best available channel - Ultra-compact dual antenna "true diversity" AR99m receiver – Channel, operation, infrared, saturation and battery indicator - Background noise reduction thanks to to the "Tone Key" systems - USB port ensuring the charging of the transmitter, a telephone or allowing the addition of a SAMSON XPD headset to constitute a double transmitter system - balanced XLR output, 6.35mm jack and mini- unbalanced 3.5mm jack - power supply included - Qe sweat-resistant headset - compact AH9 transmitter - volume and mute control - frequency synchronization of transmitter with receiver via infrared - Li-ion battery operation, up to 8 hours of battery life - Operating distance up to 100 meters free field - Dimensions (mm): 110 (L) x 95 (d) x 39 (h) - Weight: 190 g