K 340 - Product support

Accurate high-output sound and an in-line volume control to conveniently keep it in check – even when your portable player is stored away in your backpack or seat pocket.

Unit of sale:
Model Number: K340BLK

FAQ

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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