Sennheiser

Sennheiser 505691 HD 26 PRO DJ Headphones Black

4.9 (28 reviews)

Professional closed-back monitoring headphones with high noise isolation and hearing protection for broadcast and DJ use.

$299.00*
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The Sennheiser HD 26 PRO is a purpose-built monitoring headphone targeting broadcast engineers, studio professionals, and DJs who need accurate sound reproduction in noisy environments. Its closed-back, over-ear design delivers high passive noise attenuation, allowing critical listening without the artifacts or latency introduced by active noise cancellation. The frequency response extends from 6 Hz to 25,000 Hz, and the headphones are capable of handling sound pressure levels up to 128 dB at 1 kHz, making them suitable for everything from quiet voiceover sessions to high-volume DJ booths.

A standout feature is the defeatable ActiveGard system, which automatically limits sound levels above 105 dB to protect the wearer's hearing during extreme monitoring situations—particularly valuable for professionals who spend hours in loud environments. The swiveling DJ-style ear cup allows one-ear monitoring for cueing or situational awareness, while the split headband and soft ear cushions keep pressure distributed evenly for long-wearing comfort. The cable is user-replaceable and terminates in a 3.5mm plug, with a screw-on 6.3mm adapter included, so the HD 26 PRO connects easily to both portable devices and professional rack equipment.

Key Features

Accurate sound reproduction with high passive noise attenuation for demanding monitoring applications

Excellent wearing comfort due to low weight, splitted headband and soft ear cushions

High sound pressure level capability with defeat able active Gard for hearing protection in extreme monitoring applications

Swiveling DJ style ear cup for listening to the environment

2 year when purchased from an authorized Sennheiser dealer

Specifications

Brand
Sennheiser
Model
HD 26 PRO (505691)
Acoustic Principle
Closed-back
Ear Placement
Over Ear
Frequency Response
6 Hz – 25,000 Hz
Impedance
100 ohms
Sound Pressure Level
128 dB @ 1 kHz
Noise Attenuation
High Passive Noise Attenuation
Hearing Protection
Defeatable ActiveGard (limits above 105 dB)
Cable
User Replaceable, 3.5mm Jack
Adapter
Screw-on 6.3mm Adapter Included
Ear Cup
Swiveling DJ Style

Pros & Cons

👍 Pros

  • Wide frequency response from 6 Hz to 25,000 Hz delivers detailed and accurate audio reproduction
  • High passive noise attenuation blocks ambient sound without relying on active noise cancellation
  • Defeatable ActiveGard hearing protection limits exposure above 105 dB during extreme monitoring
  • Swiveling ear cup allows quick single-ear monitoring in DJ and broadcast environments
  • User-replaceable cable reduces long-term maintenance costs

👎 Cons

  • 100-ohm impedance may require a headphone amplifier for adequate volume from portable devices
  • Closed-back design can cause heat buildup during very long monitoring sessions
  • Does not include a carrying case or protective pouch for transport
  • Split headband design may not suit all head shapes comfortably

Frequently Asked Questions

ActiveGard is a built-in hearing protection system that automatically limits sound levels above 105 dB. It is defeatable, meaning you can disable it when you prefer unrestricted monitoring levels.
Yes, the HD 26 PRO features a swiveling DJ-style ear cup design that lets you flip one cup away to hear your surrounding environment while monitoring audio in the other ear.
Yes, the cable is user-replaceable and terminates in a 3.5mm jack, with a screw-on 6.3mm adapter included for full-size connections.
It uses a closed-back, over-ear design that provides high passive noise attenuation, keeping ambient sound from interfering with your monitoring.
The HD 26 PRO is designed for extended wear with a low overall weight, a split headband that distributes pressure evenly, and soft ear cushions.