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Sennheiser On-Ear Headphones HD25
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Sennheiser On-Ear Headphones HD25

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Due to their low weight and the option of one-ear listening, the HD 25 headphones are indispensable for mobile monitoring. The closed-back HD 25 are purpose-designed, professional monitoring headphones offering high attenuation of background noise.

Why Every DJ Booth Has a Pair of These

The HD 25 exists because Sennheiser needed a headphone that could handle 120 dB sound pressure levels without flinching. The closed-back design with 70-ohm impedance isolates your monitoring mix from whatever's blasting through the PA system. THD stays below 0.3%, which means what you hear in the cups is accurate, not colored. That's not a marketing line. DJs stake their sets on it.

The frequency response runs 16 Hz to 22,000 Hz, which covers the entire range a human ear can process. At 200 mW power handling, these don't just survive loud monitoring, they're designed for it.

140 Grams and a Rotatable Capsule

One ear on, one ear off. That's how DJs work, and that's why Sennheiser made the capsule rotatable. You flip one ear cup forward to hear the room while monitoring in the other. The split headband distributes the clamping force evenly, and at 140 grams, the HD 25 is one of the lightest professional monitoring headphones you can buy. Broadcast camera operators and field reporters wear these for 8-hour shifts. There's a reason for that.

Detachable Cable and Replaceable Parts

The 1.5-metre single-sided cable detaches from the left ear cup. If a cable gets damaged, and cables always get damaged in professional environments, you swap it out instead of throwing away the headphone. The ear cushions, headband padding, and even the drivers are all replaceable. This is a headphone you maintain, not a headphone you replace. A 6.3mm screw-on adapter comes in the box for mixer and audio interface connections.

Three Decades of Professional Trust

The HD 25 first appeared in the early 1990s. Over 30 years later, the fundamental design hasn't changed because it didn't need to. Sennheiser refined the materials and manufacturing, but the core formula of lightweight, loud isolation, flat response, and total reliability remains intact. You'll find these in radio stations across Canada, in DJ booths from Montreal to Vancouver, and on film sets worldwide. When a piece of gear stays in production for three decades, that tells you everything.

Features

🎛️

120 dB Max SPL

Handles extreme sound pressure levels without distortion. Built for loud DJ booths and broadcast monitoring.

🔊

16-22,000 Hz, Under 0.3% THD

Flat frequency response across the full audible range. What you hear is accurate, not hyped.

🪶

140 Grams with Split Headband

Light enough for 8-hour shifts. The split headband distributes pressure evenly across the top of your head.

🔄

Rotatable Ear Cup

Flip one cup forward for single-ear monitoring. Standard technique for DJs and broadcast professionals.

🔌

Detachable 1.5m Cable

Single-sided cable that unplugs from the left cup. Replace a damaged cable in seconds instead of replacing the headphone.

🔧

Fully Replaceable Parts

Ear pads, headband padding, drivers, cable. Everything is user-replaceable. This headphone is built to last decades.

Who Is This For?

Working DJ

The HD 25 is the industry default for a reason. The rotatable cup for single-ear monitoring, the noise isolation that cuts through a packed club, and the flat response that lets you beat-match accurately. You probably already own a pair. This is the replacement for when your current ones finally retire.

Broadcast / Field Audio Professional

Camera operators, reporters, and sound engineers wear these for entire shifts. At 140 grams with a split headband, they don't cause fatigue. The closed-back isolation keeps ambient noise out of your monitoring chain. The detachable cable means a damaged cord doesn't sideline your gear on location.

Home Studio Producer on a Budget

You need accurate monitoring but your room isn't treated. The HD 25 gives you flat, honest playback at 70 ohms that any audio interface can drive. It won't flatter your mixes with boosted bass, which is exactly what you want when you're making mix decisions. And the replaceable parts mean this is potentially the last monitoring headphone you buy.

Specifications

General
Type Supra-Aural
Frequency Response 16 Hz - 22,000 Hz
Power Handling 200 mW
Impedance 70 ohms
Total Harmonic Distortion 0.3% %
Cord Length 1.5 m
Microphone No
Features
Bluetooth No
Wireless (RF) No
Active Noise-Canceling No
Integrated Volume Control No
Additional Information
High sensitivity due to lightweight aluminum voice coils
Capable of handling very high sound pressure levels
Very lightweight and comfortable, even if used for long periods of time
Tough, detachable, single-sided cable
Rotatable capsule for single-ear-listening
Accessories
Included Screw on jack adapter 3.5 mm to 6.3 mm

Documents & Downloads

FAQ

Yes, the HD 25 is a closed-back on-ear DJ headphone purpose-designed for mobile monitoring in noisy venues (ENG, stage, studio). It is lightweight, robust, and handles very high levels.

Yes, the HD 25 features a rotatable capsule for one-ear listening, ideal for DJs and camera operators.

Yes. With 70-ohm nominal impedance, high sensitivity, and 120 dB max SPL, it is easy to drive from portable devices and DJ gear.

Yes. These on-ear DJ headphones are closed and designed for high attenuation of ambient noise, keeping cues clear on stage or on set.

Yes. You get a detachable, single-sided cable and replaceable parts (ear pads, cable), which supports long-term serviceability.

Specs include 16–22,000 Hz response, < 0.3% THD @1 kHz, ~2.5 N contact pressure, and ~140 g weight without cable, helping comfort during extended use.

What comes in the Sennheiser HD 25 box and which connectors are included?

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