TU4 Quad PLL Mic Set 4 x Handheld TransmittersTrue diversity UHF wireless microphone system with four individually programmable channels that sync to each transmitter to set the carrier frequency EQ settings transmission power and even the display backlight colour for identification. Transmitters are available as either rugged handheld microphones with a high-quality dynamic capsule in a full metal housing or as a compact bodypack with a choice of neckband or lavalier microphones all with fully balanced signal connection. Twin BNC antennas can be connected at the rear of the receiver or to the front panel when 19 rack-mounted using the supplied BNC extension cables. Channels are selectable for all 4 channels within the license-free UHF and duplex gap bands arranged in 8 groups of 8-16 carrier frequencies. Both receiver and transmitter settings are programmed via a front panel full colour TFT display with a rotary encoder for parameter adjustments. Each channel has a further backlit dis