VTech A100M Wideband Monaural Headset
• Superior wideband sound thanks to optimized speaker tuning;• 300deg flexible boom;• Passive, noise-canceling microphone;• Quick Release (QR) adapters for different connectors;• Durable, lightweight, steel-reinforced headband;• Leatherette ear cushions;• Cable with clip;• Speaker features:;• Impedance: 150 ohms +/-15 ohms, ETSI wideband;• Frequency range: 150 Hz to 6,800 Hz;• Maximum noise level: 99 dB +/-3 dB;• Microphone features: ;• Frequency range: 100 Hz to 10,000 Hz;• Noise canceling: Passive;• Sensitivity: -35 dB +/-3 dB Standard (E-STD);• Boom: bendable, pivotable through 300deg ;