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

FAQ

Specs

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

Product support

Contact info US

Harman Customer Support


Telephone number

(888) 452-4254

Operating Hours
Mon – Fri: 9:00 a.m. – 11:00 p.m. (ET)
Sat – Sun: 9:00 a.m. – 5:00 p.m. (ET)

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