Beyerdynamic DT 275 PRO Uses Passive Isolation Instead of ANC for $149

Trying to monitor a camera feed, cue the next track in a crowded booth or hear what is actually coming through the console is not the moment to discover that the ANC battery is dead or Bluetooth has decided to take the afternoon off. The Beyerdynamic DT 275 PRO is built around that problem, using a compact closed back on-ear design, 22dBA of passive isolation, a 195 gram chassis and a locking cable that can connect to either earcup. It sells for $149 and should be just as useful on location as it is later that night when I want to hear the horns, strings and vocals on Dusty in Memphis without the room joining the performance.

The DT 275 PRO is available now through Beyerdynamic’s U.S. website and authorized retailers. It joins the DT 270 PRO but serves a different purpose: the DT 270 PRO is an over-ear model for recording, podcasting and indoor studio work, while the DT 275 PRO trades some long-session comfort for greater isolation, faster handling and a smaller footprint. 

Built for Rooms That Have Abandoned Indoor Voices

Active noise cancellation works well on airplanes and commuter trains, but it can introduce processing, latency and another battery that inevitably dies during the part of the production nobody can repeat.

The DT 275 PRO takes the less fashionable approach of using closed earcups, leatherette pads and clamping pressure to reduce outside noise mechanically. Beyerdynamic specifies 22dBA of ambient-noise attenuation, which is the feature separating it from most compact studio headphones at this price. 

The sound is tuned for clear speech, controlled bass and reliable signal assessment rather than a dramatic consumer presentation. Beyerdynamic specifies a frequency response of 5Hz to 24kHz, 45-ohm impedance, 105dB SPL at 1mW and total harmonic distortion below 0.04 percent. 

The 45-ohm load should make the headphones practical with field recorders, cameras, audio interfaces, laptops and mobile devices without requiring a dedicated headphone amplifier. They can also produce substantial output, so protecting one’s hearing remains preferable to discovering the maximum level personally.

The Cable Goes Where You Need It

The detachable 1.5-meter cable can connect to either the left or right earcup and uses a locking bayonet mechanism to prevent an accidental disconnection. Beyerdynamic says the decoupled design also reduces cable and handling noise when the headphones are used with cameras, recorders and portable audio bags. 

That sounds like a minor detail until a cable runs across the wrong side of a camera rig or escapes during a live take.

The earcups swivel for storage and single-ear monitoring, while the ear pads, headband pad and cable are replaceable. The connection cable is also compatible with Beyerdynamic’s DJ 300 PRO X and CLUB models. 

Replaceable wear components should be mandatory on professional headphones. Throwing away an otherwise functional pair because the ear pads have absorbed five years of sweat is not innovation.

Beyerdynamic DT 275 PRO Specifications

• Design: Closed back, wired, on-ear
• Driver type: Dynamic
• Frequency response: 5Hz to 24kHz
• Impedance: 45 ohms
• Sensitivity: 105dB SPL at 1mW and 500Hz
• Passive noise attenuation: 22dBA
• Total harmonic distortion: Below 0.04 percent
• Maximum short term power handling: 100mW
• Cable: 1.5 meters, detachable and lockable
• Cable connection: Left or right earcup
• Connector: 3.5mm with 6.35mm adapter
• Weight: 195 grams without cable
• Replaceable parts: Ear pads, headband pad and cable

What Is Missing?

The DT 275 PRO does not include Bluetooth, ANC, a microphone or an inline remote. None belongs on a professional monitoring headphone built to avoid latency and electronic processing, but buyers looking for one pair to handle production work, commuting and phone calls should understand what is not included. 

Unlike the DT 270 PRO, the product page does not list a USB-C audio adapter. The DT 275 PRO terminates in a conventional 3.5mm plug and includes a 6.35mm adapter, so owners of port-free smartphones and laptops will need a separate dongle. 

The larger concern is comfort. The DT 275 PRO is light at 195 grams, but its on-ear design uses a fairly firm clamp to achieve that 22dBA of passive isolation. That should help keep outside noise where it belongs, although the pressure may become noticeable during a long production session. Isolation and all-day comfort rarely arrive holding hands.

The Competition

The Sennheiser HD 25 is the most direct rival. It also costs approximately $150, uses a closed on-ear design and has remained a fixture in DJ booths and broadcast bags for decades. It is lighter and already has an enormous replacement-parts ecosystem, while the DT 275 PRO counters with its dual-side locking cable, newer design and published 22dBA attenuation rating. 

The Sony MDR-7506 currently sells for $113 and remains one of the most widely used production headphones ever made. Its over-ear design may prove more comfortable, but the fixed coiled cable is considerably less convenient for mobile work and Sony does not position it around the same level of passive isolation. 

Audio-Technica’s ATH-M40x costs $109 and offers an over-ear fit, detachable cables and swiveling earcups. The ATH-M50x moves closer to the Beyerdynamic’s price at $159 and adds larger 45mm drivers and three supplied cables, but both occupy more room in a production bag. 

Beyerdynamic’s own DT 270 PRO remains the obvious alternative for podcasting, music production and longer indoor sessions. It uses velour over-ear pads and weighs almost exactly the same, but offers lower passive isolation and a less compact wearing style. 

Who Is It For?

The DT 275 PRO is intended for production crews, field recordists, broadcast engineers, livestream operators, front of house staff and DJs who need compact wired headphones with strong isolation and no wireless delay.

It should also appeal to commuters who value durability and passive isolation more than apps, firmware updates and hearing a synthetic voice announce that the battery is low.

Who Should Avoid It?

Home-studio users working in a quiet room will probably find the DT 270 PRO or DT 770 PRO X more comfortable over longer sessions.

Anyone who needs wireless connectivity, calls or active noise cancellation should also look elsewhere. The DT 275 PRO is a tool, not a lifestyle platform with a login screen.

The Bottom Line

The Beyerdynamic DT 275 PRO fills a specific gap between traditional studio headphones and DJ models. Its combination of 22dBA passive isolation, low weight, swiveling earcups, replaceable parts and a cable that locks into either side makes sense for people who monitor audio in environments where the environment refuses to cooperate.

Beyerdynamic’s advantage is that it has designed the DT 275 PRO around modern mobile-production workflows rather than asking another 35-year-old headphone to keep learning new tricks.

For more information: beyerdynamic.com

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