Shure BLX14R/MX53-H10 Wireless Headset Microphone with MX53 Microphone (542-572 MHz)

The Shure BLX14R/MX53 Wireless Rack-mount Presenter System combines professional-quality sound with simple setup and up to 14 hours battery life for legendary audio performance right out of the box. The system includes BLX4R half-rack single-channel receiver, MX153 subminiature earset microphone with BLX1 bodypack transmitter, lavalier clip, power supply, 2 AA batteries, windscreens, rackmount kit, 2 1/4 wave antennas, zipper bag, and user guide. More SUPERIOR AUDIO - Perform with Confidence Get the show going with no wires attached. Professional Shure sound for every band and any vocal need. RELIABLE SIGNAL - Extend your range With a range of up to 300 feet (100m), you can take the show into the crowd without interruption. EASY SETUP – Own the stage BLX will have you up and running in record time with one-touch scan and selection. BATTERY LIFE – 14 hours of power Because BLX transmitters get up to 14 hours of power from a single pair of AA batteries, the show can go on and on (and on). SYSTEMS EXPANSIONS – Run up to 12 channels per frequency band* You’ll probably need to find a bigger stage before you run out of channels. *Note: region and environment dependent. VERSATILITY INCLUDED – You’ve got options An impressive variety of Shure microphones are available in BLX systems, so you can find what works for you. Specs System Working Range: 91 m (300 ft) line of sight Audio Frequency Response: 50 to 15,000 Hz Total Harmonic Distortion: 0.5%, typical (Reference: ±33 kHz deviation with 1 kHz tone) Dynamic Range: 100 dB, A-weighted, typical Operating Temperature: -18°C (0°F) to 57°C (135°F) BLX1 Dimensions: 4.33 in x 2.52 in x 0.83 in (110 x 64 x 21) H x W x D Weight: 2.6 oz (75 g), without batteries Housing: Molded ABS Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline Battery Life: Up to 14 hours (alkaline) BLX4R Dimensions: 1.65 in x 7.80 in x 6.42 in (42 x 198 x 163) H x W x D Weight: 2.2 lbs (998 g), without antennas Housing: Molded ABS, steel Power Requirements: 12–15 V DC @ 260 mA, supplied by external power supply (tip positive) Included 1 x 53A8611 Rack Mount Bracket 1 x 53A8612 Long Rack Mount Bracket 1 x 53B8443 Link Bracket 1 x 90AZ8100 Hardware Kit 1 x 31B1856 Thread Adapter 2 x 95A8699 Antenna/BNC, 1/4 Wave 2 x 95A8994 Adapter, Bulkhead, BNC 1 x 95B2313 Bag Vinyl, Zippered 2 x 95K2035 Cable, BNC, 22 in. 1 x Power Supply