K 840 KL - Product support

K 840 with Kleer® wireless technology: high quality sound with no compromise.

Unit of sale:
Model Number: K840KL
Colour: Black / Aluminum


Audio Specifications
Frequency Response10.5Hz to 31kHz
Maximum Input Power25 mW
Input Impedance32 ohms
Sensitivity120 dB SPL/V
Wireless Operation1
Weight145 g

Product support

Contact info US

Harman Customer Support

Telephone number

001 888-452-4254

Openinghours / language
Mon. – Fri. 10:00am – 10:00pm ET
Sat. - Sun. 11:00am – 3:00pm ET