Safety Instructions - JBL REFERENCE 420 User Manual

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Safety Instructions

Headphone/earphone listening at high volume levels may cause permanent damage to your
hearing. Always set the volume control to the lowest level before switching to different
sources (tuner, CD player, MP3 player, etc.) or before plugging in the headphones/earphones.
For your safety, do not use headphones/earphones while driving or cycling.
Welcome
Thank you for purchasing the JBL Reference 420 headphone system, which has been
designed to JBL's high audio-performance standards. The JBL Reference 420 will meet all
your listening and travel needs, and enable you to immerse yourself in your favorite music,
wherever you are.
Introduction
The JBL Reference 420 is a high-fidelity headphone system that will kick your listening
experience into the future. Its groundbreaking design is built for comfort, performance
and freedom.
JBL Reference 420's mid-sized, over-the-ear headphone is designed to provide high
fidelity audio performance. The contoured shape and adjustable headband allow for
maximum comfort and usability. Connected to your iPod , MP3 player or other music
®
source, the JBL Reference 420 will provide clean, clear, powerful sound. If you're a mover
and shaker, the audio extension cable will allow you to jam to the music without restric-
tion. Now you can enjoy the pinnacle of audio performance with the JBL Reference 420
headphone system.

Document Number: 995-0013-001 Description: JBL Reference 420 User Guide