Shure BLX14R/MX53-H9 Wireless Rack-mount Presenter System With MX153 Earset Microphone.

Shure BLX Wireless Systems combine professional quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision built and available in a variety of configurations, it's the most accessible way to own the stage. Rack mountable and featuring rugged metal construction, the BLX4R offers simple setup and intuitive controls. One touch Quick Scan frequency selection quickly locates the best open frequency in case of interference. Removable antennas allow for quick antenna distribution. Legendary sound and performance, right out of the box.

Features

• 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.

Ear set Wireless System Includes:

• BLX4R 1/2 Rack
• Single Channel Wireless Receiver
• BLX1 Body pack Transmitter
• MX153T/O TQG Ear set
• Single and Dual Rack Mount Kit
• 1/4 Wave Antennas
• Zippered Transmitter Accessory Bag
• PS23US Power Supply and AA Batteries

Specifications:

General
- Analog or digital: Digital
- Frequency response: 50Hz–15kHz
- Dynamic range: 100dB
- Line of sight: 300'

Receiver
- Channels: 12
- Bandwidth: 524–865mHz
- Rackmountable: No
- Width: 2.5"
- Height: 4.3"
- Depth: .82"
- Weight: 2.6 oz.

Transmitter
- Type: Handheld
- # of transmitters: 1
- Capsule: Dynamic
- Polar pattern: Cardioid
- Battery type: AA x 2
- Battery runtime: Up to 14 hr.