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Sennheiser HD 550

Open, circumaural audiophile headphones with detachable 1.8 m 3.5 mm mini-jack cable and 3.5 to 6.35 mm screw-in jack adapter

239€95
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Overview

Discover the details you've been missing

The Sennheiser HD 550 is a circumaural headphone ideal for listening to music, watching movies, teleworking and playing video games. It builds on the already excellent characteristics of the HD 599, extending even further into sub-bass territory, while offering a strong, analytical midrange and brilliant highs without sibilance or harshness. The HD 550 's solid, satisfying bass response, balanced midrange and precise, airy highs will allow you to enjoy the full sensitivity of your favourite tracks.the full sensitivity of your favourite tracks and hear everything, with brilliant detail and realistic presence, for hours on end, and always in absolute comfort.

Lightweight, comfortable, natural and detailed sound

Designed for an audiophile experience, the HD 550 open-back headphones deliver natural, accurate sound to capture the essence of your favourite tracks. At just 237 grams, they're among the lightest headphones in their category. They offer excellent support and incredible flexibility, so you can enjoy extended listening sessions without tiring. Its textured headband and ventilated metal mesh shells promote breathability while maintaining a robust structure. Its 150-ohm transducers (made by Sennheiser in Ireland) give you open, natural sound from 6 Hz to 39.5 kHz, and a wide soundstage.

As an added bonus, the HD 550 headphones come with a detachable 1.8 m (3.5 mm) cable and a 6.35 mm jack to 3.5 mm mini-jack adaptor.

Key features :

  • Open circum-aural headphones for audiophiles
  • Impedance: 150 Ω
  • Frequency response: 6 Hz - 39.5 kHz
  • Sound pressure level (SPL): 106.7 dB / 1 V RMS
  • DTH, total harmonic distortion <0.2% (1 kHz / 90 dB SPL)
  • Natural, refined sound
  • Soft synthetic velvet ear pads
  • Padded headband
  • Removable 1.8 m (3.5 mm) cable
  • 6.35 mm jack to 3.5 mm mini-jack adapter
  • Weight: 237 g
  • Colour: Black
Specifications
Select your criteria

General information

Product name

Sennheiser HD 550

Brand

Sennheiser

Model

700455

Design

Headset type

Over-Ear

Headphones configuration

Open back

Ear coupling

Circumaural

Use

Hi-Fi

Foldable

No

High-Res audio

No

Active noise cancelling

No

Audio specifications

Speaker diameter

38 mm

Bandwidth (Min frequency)

6 Hz

Bandwidth (Max frequency)

39.5 kHz

Impedance

150 Ohm

SPL Max

90 dB SPL

Harmonic distortion

0.2 Percent

Connectivity

Remote control

No

Volume control

No

Connector(s)

3.5mm Jack Male Stereo
6.35mm Jack Male Stereo

Cable length

1.8 m

Wireless

Wireless

No

True Wireless

No

Bluetooth

No

NFC

No

Integrated voice assistant

Without voice assistant

Physical characteristics

Color

Black

Headphone weight

237 g

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

Sonova Consumer Hearing GmbH

Postal address

Sonova Consumer Hearing GmbH Am Labor 1 CP : 30900 Wedemark, Allemagne

Electronic Address

product-safety@sennheiser-hearing.com

Product referenced on 25 Mar 2025

Customer review
Global rating
8/10
based on 1 review Editorial and moderation guide
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  • by Mikael M
    Posted on 25 Mar 2026
    Bought on 9 Mar 2026 from LDLC
    Number of reviews: 1 Average rating: 8

    Neutral

    Give it 30 hours of burn-in. And do not pair it with a silver-plated cable, because of its peak at 8k (sharp).
    Under these conditions, it will be excellent. Even better: a nice warm Class A amplifier and you will be in heaven.

    Review automatically translated

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