The NS1000 removes intrusive background noise on aircraft, trains and other similar environments.
NS1000 Headphones Features - ANR (Active Noise Reduction) technology - Ultra-comfortable ear cushions ideal for extended listening - Protective durable travel case - Advanced neodymium magnet drivers deliver exceptional hi-fidelity performance - Closed back design reduces sound leakage - Detachable, single sided 1.8m cable, designed by Britain\'s leading hi fi cable manufacturer, QED - Pack includes aeroplane adaptor and battery - Gold plated 3.5mm stereo jack, with 6.3mm adaptor
NS1000 Headphones Specifications - Active Noise Reduction ON: - Frequency response 15Hz - 23kH - Total Harmonic Distortion <0.3% (1mW @ 1kHz) - Sound Pressure Level 101dB (1mW @ 1kHz) - Max input power 260 mW - Impedance 300 Ohms - Active Noise Reduction OFF: - Frequency Response 15Hz - 20kHz - Total Harmonic Distortion <0.1% (1mW @ 1kHz) - Sound Pressure Level 93 (1mW @ 1kHz) - Max input power 300 mW