SHURE Mx-690 Microflex Wireless Boundary Mikrofon

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Shure MX-690

 

The Microflex® Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation.

The Wireless Boundary Microphone is the perfect solution for conference and meeting spaces where users demand flexibility and high performance. Compatible with Shure SLX® Wireless Systems.

Features

  • Sleek, low profile design
  • Frequency agile, microprocessor controlled transmitter
  • Bi-color status indicator
  • IR link to SLX receiver for automatic frequency synchronization
  • Programmable mute function
  • Battery level indicator
  • Operates on two AA batteries
  • Logic output for remote LED and mute control
  • CommShield Technology for improved RF filtering

 

Type

Condenser (electret bias)

Frequency Response

50–17000 Hz

Polar Pattern (at 1 kHz)

Cardioid

Sensitivity (at 1 kHz , open circuit voltage)

–33 dBV/Pa (33 mV) 1 Pascal=94 dB SPL

Dynamic Range

96 dB (1 kΩ load at 1 kHz)

Common Mode Rejection

45 dB minimum (10 Hz to 100 kHz)

Preamplifier Output Clipping Level

-6 dBV (0.5 V) (1% THD)

Polarity

Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3

of output XLR connector or tip of 1/4” phone plug.

MX690 and MX890 Transmitter Specifications

 

Operating Range

30 m (100 ft.)

Note: Actual range depends on RF signal absorption, reflection, and interference

Frequency Stability

±10 ppm

Maximum Frequency Deviation

45 kHz

Oscillator Type

Phase-locked loop (PLL) controlled synthesizer

Power Requirements

3V (2 AA alkaline or rechargeable batteries)

Battery Life

≥8 hours (alkaline)

Power Consumption

130 mA, ±15 mA

Operating Temperature Range

-18–57 °C (0–135 °F)

Note: Battery may limit this range

Dimensions

43 mmH x 87 mmW x 148 mmD (1 11/16 x 3 3/8 x 513/16 in.)

Weight

Net: 318 g (11.2 oz

Packaged :516 g (18.2 oz)

 

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