KLH Audio Ultimate One Audiophile Headphone

  • KLH Audio Ultimate One Audiophile Headphone


KLH Audio Ultimate One Audiophile Headphone

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The Ultimate One Headphones feature an over-ear, open-back design with a 50mm pure beryllium driver. The headband and ear pads feature soft lambskin inner sections for ultimate comfort, with cowhide leather outer sections for lasting durability. Real Sustainable Zebrawood or Ebony wood ear cups. Frequency response is rated at 18Hz-22kHz.

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Style Over ear open air design
Driver Type Beryllium
Driver Diameter 50 mm
Cable 2m Tangle-Resistant Cable
Frequency Response 18Hz-22kHz
Sensitivity (1mW) 108 dB SPL
Power Handling 1.8mW input power max
Impedance (1kHz) 32 ohms
Input Connections 3.5 mm
Weight 300g
Color Real Ebony or Zebra Wood
Sensitivity 97 dB


"Top Choice" 2019

My hunt for “perfect” headphones will never end because no one single design covers all uses. But, my hunt for the perfect pair of passive, open-back dynamic headphones could easily end with the KLH Ultimate One headphones.

Mark Henninger, June 13, 2019, AVS Forum

HiFi News Outstanding Product Award Sept 2019

In the immensely respected HI-FI News Magazine review September 2019 they said:

"These debut headphones offer excellent value for money. Finish is superb, the styling familiar"

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