Detail 01
40-ohm impedance
It can connect directly to phones, laptops, and audio interfaces without extra amplification.

Independent shopping perspective
Built around an open-back, over-ear format, the 109 PRO combines 40-ohm operation with detachable cables for direct use with phones, laptops, and audio interfaces. Walnut earcups, metal hardware, and a self-adjusting headband give it a considered, long-term ownership focus. The supplied 1.5 m and 3 m cables let you choose a shorter or longer run, while the hard EVA pouch and cable pouch keep the set organized between listening sessions.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
It can connect directly to phones, laptops, and audio interfaces without extra amplification.
Detail 02
It presents instruments and vocals with an expanded, natural soundstage.
Detail 03
Those key parts can be replaced when needed.
Detail 04
You can select a shorter or longer cable run for the setup in front of you.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Its 40-ohm impedance is intended for direct connection to phones, laptops, and audio interfaces without extra amplification.
Two detachable TPE OFC cables are provided: 1.5 m and 3 m.
Yes. The earcups, headband, cables, and drivers are replaceable.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.