Using Your JBL Reference
1. Set the volume control on your audio device to the lowest level.
2. Place the headphone cups on your ears in accordance with the "L" and "R" markings.
3. Connect the 3.5mm audio outlet to the audio jack located on your entertainment device.
Technical Specifications
Manufacturer
Model
Available In
Input Requirement
Power
Sensitivity
Frequency Response
Dimensions
Weight
Input Impedance
Compatibility
Document Number: 995-0013-001
JBL, Incorporated
JBL Reference 420
Black and White
Main connection - 3.5mm mini stereo jack
2 x 50mW
96 dB SPL/mW @ 1KHz
20 Hz - 20 kHz
Wire length - 152cm
192g Without cord
32 Ohms
All audio output devices with a 3.5mm or stereo phono audio jack
3
Description: JBL Reference 420 User Guide
4
20