Shure 53 Omni-Condenser Subminiature Wireless Headset Microphone.

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About this item

The Beta 53 is a fully adjustable omnidirectional condenser microphone, designed for applications where unconspicuous appearance and incredible sound quality are required. It's lightweight, adjustable, modular headband, flexible wireframe and soft earpieces provide a comfortable fit while still allowing the Beta 53 to be positioned as close to the left or right corner of the mouth as possible, assuring maximum voice pickup.

The Beta 53 microphone itself features an extended frequency response and high SPL handling ability. The Beta 53 is uniquely designed to provide the sound quality and performance consistency required for environments such as professional theater, event production, trade shows or seminars - the best sound with minimal visibility.

What's Included With This Item

  • Two foam windscreens, Clothing clip, frequency response caps (mild or high, two pieces each)

Key Features

  • Extended, flat frequency response provides accurate speech and vocal reproduction
  • Omnidirectional polar pattern for minimal handling noise and flexible microphone placement
  • In-line Preamplifier
  • With TA4F connector
  • Comfortable, latex-free Dynaflex® earforms that hide behind the ears
  • Thin, non-reflective wireframe that is easily hidden underneath hair
  • Ultra-thin detachable microphone boom mount for right or left positioning
  • Interchangeable frequency response caps (mild or high, two pieces each)
  • Two foam windscreens included
  • Clothing clip for securing cable
  • Corrosion resistant
  • Easy to clean
  • Durable carrying case for protective storage

Technical Specs

Type Condenser (electret bias)
Applications speech and vocal
Frequency Response 20Hz to 20KHz
Polar Pattern Omnidirectional
Impedance Preamp Output Impedance 136 ohms
Recommended Minimum Input Impedance, Wired 1 k., Wireless 20 ohms
Signal-to-Noise Ratio 55 dB at 94 dB SPL
Output Level Output Level, open circuit, ref. 1v/Pa at 1 kHz: Wired: -50.0 ± 3.0dB 3.16mV. Wireless: -54.0 ± 3.0dB 2.0mV
Maximum Sound Pressure Level: Wired: 147 dBSPL at 1% THD/1 k ohms load. Wireless: 142 dBSPL at 1% THD/20 k ohms load
Dynamic Range: Wired: 108 dB (max. SPL with 1k load, minus typical A-wt. noise). Wireless: 103 dB (max. SPL with 20k load, minus typical A-wt. noise).Current Drain: Wired: 4.6 mA (preamp and microphone). Wireless: 60-130 µA (microphone only).
Connector Cable 1.5 m (5 ft.), small-diameter, shielded, with mini 4-pin connector (TA4F)
Polarity Output Polarity Positive pressure on the diaphragm produces a positive voltage at: Pin 2 relative to pin 3 at the output connector of the preamp (Wired) Pin 3 (black lead) relative to pin 1 (shield lead) at the output connector of the microphone (Wireless).
Weight 135.35 g (4.75 oz.) microphone and in-line preamp
35.35 g (1.25 oz.) microphone only
Power Requirements Wired: Phantom power; 11 to 52 Vdc positive on pins 2 and 3, return on pin 1 (ground)
Wireless: +5 Vdc on pin 2, return on pin 1 (ground)
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