Audio-Technica ATW-2120bI Wireless Handheld Microphone System (bI: 487.125 to 506.500M Hz) 2000 Series Wireless System includes: ATW- R2100b receiver and ATW-T220a handheld cardioid dynamic microphone/transmitter, 487.125-506.500 MHz (TV 16-20) Audio-Technica ATW-2120BI Overview The Audio-Technica ATW-2120bI Wireless Handheld Microphone System delivers professional features and wireless microphone quality, while remaining a cost effective solution for presentations, performance PA, houses-of-worship, nightclubs, restaurants, bars, and more. The system features the ATW-R2100bI receiver with UHF diversity reception, 10 user selectable frequencies, automatic frequency scan and Tone Lock squelch system for interference free reception. Balanced XLR and 1/4" phone connections adapt to professional and consumer gear, and a bright LCD display delivers a comprehensive read over settings in dimly lit conditions. The included ATW-T220a handheld transmitter features the Pro 41 cardioid capsule for minimal pick up at the off-axis sections, and maximum gain before feedback. The microphone includes a stand clamp and is powered with two 1.5V AA batteries and will run for up to 9 hours. Serious advances in affordable professional wireless Clear sound quality and rock-solid, dependable performance Automatic frequency scanning 10 compatible user-switchable channels in one of two UHF frequency ranges Antenna power available for powered antennas & other in-line RF devices True Diversity operation selects the better signal from the two receiver sections, reducing dropouts Tone Lock tone squelch system fights interference Rugged metal half-rack receiver with soft-touch controls and LCD display Balanced XLR and unbalanced 1/4" output jacks enable use with a wide variety of audio gear Switchable transmitter power output with high and low settings offered Includes rack-mount kit and detachable UHF antennas Ground-lift switch helps eliminate audible hum caused by ground loops between the sound system and receiver ATW-T220a Handheld Microphone/Transmitter features the PRO 41 Capsule for maximum feedback rejection and consistent sound Audio-Technica ATW-2120BI Specs System Type of System UHF Frequency Agile Diversity RF Carrier Frequency Range bI: 487.125 to 506.500M Hz Overall Frequency Response 100 Hz to 15 kHz (+1 dB, -3 dB) # Of Channels 10 Total Receiver Type of Receiver ATW-R2100a UHF Diversity Half-Rack Mount Type of Outputs Balanced: XLR-male Unbalanced: 1/4" Phone Headphone Monitoring No Power Requirements 12-18 VDC, 500 mA Battery Type/Approx. Life AC power only Display Back-lit LCD Mounting Options Rack-mount adapters (included) Antenna Type BNC-type, 50 Ohms Bias voltage 12 VDC, 60 mA, each Base Dimensions (WxHxD) 8.27 x 1.73 x 6.39" (210 x 44 x 162.2 mm) Weight 2.20 lb (1.0 kg) Transmitter Type of Transmitter ATW-T220a handheld RF Power Output High: 30 mW, Low: 10 mW (switchable), at 50 Ohms Type of Microphone Pro 41, dynamic Polar Pattern Cardioid Interchangeable Mic Heads No Battery Type/Approx. Life Two 1.5 V AA alkaline Mute Switch Off/On Switch Antenna Type Internal Dimensions (LxDiameter) 9.13 x 1.89.11 (232 x 48 mm) Weight 8.9 oz (252 g)