Listen Technologies LA-454 Headset 4 Dual Over-Ear Headset with Noise-Cancelling Boom Microphone

The LA-454 (headset 4) incorporates a dual over-ear design with an attached noise-canceling microphone, resulting in superior isolation from external noise. The generously padded leatherette headband and ear cushions mean the listener will enjoy maximum comfort during extended use. A fully adjustable headband adds to the LA-454's versatility.

Exceptional isolation, hands-free communication, and comfort combine to make the LA-454 the obvious choice for reliable communication in high-noise environments.

Listen Technologies LA-454 Features:

• Increased noise isolation thanks to a dual, over-the-ear design
• Built-in boom mic for added convenience
• Ideal for hands-free communications in high-noise environments

Listen Technologies LA-454 Specifications:

• Physical:
  • Color: Black
  • Cable Length: 104 cm (41 in.)
  • Unit Weight: 404 g (14.3 oz.)
  • Shipping Weight: 420 g (14.8 oz.) with 454 g (1.0 lbs.) minimum
• Interconnections:
  • Connection/s: Male 3.5 mm (TRRS), CTIA complaint
• Audio:
  • Microphone Element: Electret
  • Microphone Polar Pattern: Unidirectional - Noise Cancelling
  • Microphone Impedance: 1.2 kOhms typical
  • Microphone Sensitivity: -45 dBV/Pa @ 1 kHz
  • Microphone Bandwidth: 120 Hz - 6 kHz
  • Microphone Bias: 3 - 5 VDC
  • Headphone Impedance: 250 Ohms
  • Headphone Bandwidth: 80 Hz - 15 kHz
  • Headphone Acoustic Noise Reduction: 14 dB typical