NU4 1U Quad UHF Rack-Mountable Wireless Receiver 2 x NU4-H Handheld Transmitters 2 x NU4-N Beltpack Transmitters 2 x Neckband Microphones 2 x Lavalier Microphones 2 x UHF Antennas 2 x BNC Antenna Extension Leads 2 x 19'' Rack-Mount Ears for Receiver DC Power Adaptor 8 x 1.5V AA Batteries Features UHF wireless system with four independent channels 19'' rack-mountable receiver with four separate XLR outputs Receiver also features a mixed 1/4'' jack output Comes complete with two beltpack transmitters and two handheld transmitters Also includes two neckband microphones, and two lavalier microphones Four license-free UHF frequencies with pilot tone Perfect for a wide variety of applications Specifications Wireless Operating Frequency: 863MHz - 864.8MHz, Channel 70 Red: 863.10MHz Green: 854.80MHz Blue: 864.30MHz Yellow: 863.42MHz Stability: 10PPM Signal-to-Noise Ratio: >80dB THD: 85dB Wireless Range: 60-metres (max.) Output Impedance: 2.2 k Ohms Output Level: Balanced: 400mv Unbalanced: 200mv Connectors: DC IN 4 x XLR, Male 6.3mm / 1/4'' Jack 2 x BNC Antenna Receiver Power Supply: 12-18V DC 500mA adaptor (included) Transmitter Power Supply: 2 x AA batteries per transmitter (8 included) Dimensions: Receiver: 482mm x 225mm x 44mm (including rack ears) Handheld Transmitter: 243mm x 48mm Beltpack Transmitter: 205mm x 68mm x 25mm Neckband Microphone: 180mm x 140mm x 60mm Lavalier Microphone: 27mm x 12mm Weight: Receiver: 3kg Handheld Transmitter: 238g (no battery) (each) Beltpack Transmitter: 76g (no battery) (each) Neckband Microphone: 20g (each) Lavalier Microphone: 20g (each)