About Sennheiser
The sennheiser.com site carries the name Sennheiser electronic SE & Co. KG, Germany, in its footer. The company describes its portfolio as wireless microphone and monitoring systems, wired microphones, conference and information technology, professional headphones, streaming technologies, and 3D audio technologies and software. The Sennheiser Group also includes Neumann, AMBEO and Merging.
Two of its professional headphones are featured here, and both are listed on sennheiser.com. The HD 490 PRO is an open-back, over-ear studio headphone at 130 ohm that ships with two sets of ear pads, one for mixing and one for producing. The HD 25 is a closed-back, on-ear headphone at 70 ohm that Sennheiser positions for DJs, broadcast and field recording. Each page on the site lists a 2-year warranty.
Brand website: sennheiser.com
What Sennheiser makes
Sennheiser's catalog runs wider than the gear we review. The lines we know best from our own testing are marked with a star:
Professional Headphones
Includes the HD 490 PRO and HD 25 featured here — featured on House of Octave
Wired Microphones
A product area named on the company's About page
Wireless Microphone and Monitoring Systems
A product area named on the company's About page
Conference and Information Technology
A product area named on the company's About page
3D Audio Technologies and Software
A product area named on the company's About page, alongside the AMBEO brand
Why we recognized Sennheiser
The House of Octave Top Brand recognition isn't paid for and can't be applied for. We award it to the brands whose gear consistently stands out in our player-tested category guides. Sennheiser earned it on the strength of the products below, judged the same way every product on this site is: assessed on build, tone, and playability, weighed against what players actually report over years of use, and ranked on merit.
Sennheiser gear we rated highly
Sennheiser HD 490 PRO Open-Back Professional Headphone
An open-back, over-ear design with a 130 ohm impedance and a 5 to 36,000 Hz frequency response. Our guide picks it for mixing and mastering, where the wide soundstage makes placement decisions easy to hear. It comes with two sets of ear pads, a mixing set and a producing set, and Sennheiser describes the pads as washable and replaceable. The cable is detachable (1.8 m in the box, with a 3.5 mm to 6.3 mm adapter), and Sennheiser lists spare pad sets and replacement cables for it.
Read the 10 Best Studio Headphones of 2026 for Music Production (Mixing, Recording, Open-Back & Budget) guide →
Sennheiser HD 25 On-Ear DJ Headphones
A closed-back, on-ear design with a 70 ohm impedance and a 16 to 22,000 Hz frequency response. Sennheiser describes it as made for DJs, broadcast and field recording, with a rotating ear cup for single-ear monitoring, high SPL handling and strong clamping force. Our guide picks it for drummers and loud rooms and notes its high sensitivity. The single-sided cable is detachable, and Sennheiser lists ear pads, a headband pad and straight and coiled cables as spare parts.
Read the 10 Best Studio Headphones of 2026 for Music Production (Mixing, Recording, Open-Back & Budget) guide →What earned Sennheiser the recognition
- The HD 490 PRO and HD 25 are each a top pick in our guide to studio headphones for music production
- They cover two different jobs: the HD 490 PRO for mixing and mastering, and the HD 25 for drummers and loud rooms
- The HD 490 PRO is open-back at 130 ohm and the HD 25 is closed-back at 70 ohm, so the two suit different working situations
- The HD 490 PRO includes two sets of ear pads, one for mixing and one for producing
- Both have a detachable cable, and Sennheiser's product pages list spare cables and ear pads for each