OVERVIEW Dual headset with boom microphone. For use with the Williams Sound Digiwave DLT 400 transceiver. Soft earpads, full-size over-ear fitting. Boom microphone on flexible arm adjusts easily for close-talking position. SPECIFICATIONS Connector TRRS 3.5mm plug Microphone Element Unidirectional electret Microphone Sensitivity 45 dB ± 5 dB Microphone Frequency Response 100 Hz - 12 kHz Microphone Impedance 150 Ω Microphone Signal-to-Noise Ratio >50 dB Microphone Operating Voltage 1 - 10 VDC Headphone Driver Type 50 mm, dynamic Headphone Frequency Response 10 Hz - 20 kHz Headphone Impedance 46 Ω Headphone Max SPL Out 96 dB Headphone Max Power Input 100 mW Cord Length 42” Replacement Mic Screen part WND 058 Replacement Earpad part EAR 058 Approvals CE, RoHS Warranty 90 days