jbl reference 420 ® ® reference series headphone system jbl reference 420 ® ® reference series headphone system Your daily routine may take you to many places you’d rather not be. But JBL Reference 420 headphones are your ticket out. With large, accurate transducers and a compact over-ear design, Reference 420 headphones deliver rich, powerful sound with plenty of the bass punch for which JBL is famous. If compact-but-powerful sounds like a winning combination, brace yourself for another one: lightweightbut-rugged. JBL Reference 420 headphones are designed for hours of comfortable use. Yet they’re engineered to withstand all the knocking around that your travels will almost certainly subject them to. Compatibility JBL Reference 420 headphones are compatible with any audio output device with a 3.5mm stereo mini jack. That includes the iPod (all models), desktop and laptop computers (all platforms), MP3, CD and DVD players, and satellite radio. Adapters are included for use with home stereos and airline sound systems. Comfort Options The lightweight, contoured headband rotates to fit either over your head or behind your neck, while the comfortable, padded ear cups are designed to rest gently against your head, not against your ears. Additional Features • Genuine-leather-trimmed headband and ear cups • Single cloth-covered side cable eliminates clutter • Available in black or white What’s Included • Zippered, ballistic-nylon carrying case with wire wrap • Stereo phono adapter • 3.5mm Dual in-flight adapter • Extension cable Technical Specifications Manufacturer: Model Name: Available in: Input Requirement: Power: Sensitivity: Frequency Response: Dimensions: Weight: Input Impedance: JBL, Inc.. JBL Reference 420 White or Black with Chrome Main connection – 3.5mm stereo mini jack 50mW 91dB SPL/mW @ 1kHz 10Hz – 20kHz (–10 dB) Diameter – 102mm Main audio cable – 1.5m Extension cable – 1m 170g (without cord) 32 Ohms EAN code JBLREF420BLK: EAN code JBLREF420WHT: 0500369105694 0500369126316 UPC code JBLREF420BLK: UPC code JBLREF420WHT: 050036910569 050036912631 Master Carton Quantity: 6 pieces Harman Consumer Group, Inc. 2 route de Tours, 72500 Château du Loir, France 250 Crossways Park Drive, Woodbury, NY 11797, USA 8500 Balboa Boulevard, Northridge, CA 91329, USA www.jbl.com © 2007 Harman International Industries, Incorporated. All rights reserved. JBL is a trademark of Harman International Industries, Incorporated, registered in the United States and/or other countries. iPod is a trademark of Apple Computer, Inc., registered in the U.S. and other countries.