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Sennheiser HD 550 Open-Back Over-Ear Headphones|6Hz–39.5kHz・Versatile for Music and Gaming|Parallel Import, One-Year Warranty

£149.00 GBP £321.00 GBP Save £172.00 GBP
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Inventory: In stock (estimated to ship within one business day)

Delivery and shipping fees (Free shipping on orders over HK$500)

Warranty

SENNHEISER

Sennheiser HD 550 Open-Back Over-Ear Headphones|6Hz–39.5kHz・Versatile for Music and Gaming

Frequency response 6 Hz – 39,500 HzSensitivity (SPL) 106.7 dB / 1 V RTotal harmonic distortion (THD) < 0.2 %(1 kHz Cable length 1.8 m(detachable, left side)Connector 3.5 mm plug + 6.35 mm screw-onProduct number (SKU) 700455
Parallel importOne-year warrantyGenuine original product

Product introduction

This product is a parallel import (grey import) version and does not come in Hong Kong authorized distributor packaging; a one-year warranty is provided by our store.

Six factual selling points

Three real-world usage scenarios

Scenario 1

Scenario 1 Daily music listening, PC gaming, watching movies and series, beginner music creation

Package contents

Original manufacturer standard retail packaging; actual packaging accessories are subject to the physical product (the instruction manual language in parallel import packaging may be English, which does not affect product functionality). If you have any questions, please contact our store before placing your order.

Why choose this model?

  • Open-back dynamic driver: — The open-back acoustic design creates a spacious, natural soundstage.
  • Ultra-wide frequency response: — 6 Hz–39.5 kHz, with excellent extension at both the low and high ends.
  • For both gaming and music: — Clear positioning while meeting both listening and gaming needs.

Comparison of models in the same series

ModelTypeConnectionPositioning
HD 505Open-backWiredEntry-level audiophile
HD 550Open-backWiredAudiophile-grade
HD 560SOpen-backWiredNeutral monitoring
HD 599Open-backWiredHome audiophile
HD 800SOpen-backWiredFlagship

Learn more about models in the same series:

Comparison is limited to models available in our store; prices are based on those displayed on the page when the order is placed.

Official Full Specifications

Headphone TypeOpen-back, over-ear (Around-Ear)
Driver TypeDynamic, open-back
Frequency Response6 Hz – 39,500 Hz
Sensitivity (SPL)106.7 dB / 1 V RMS
Total Harmonic Distortion (THD)< 0.2 %(1 kHz / 90 dB SPL)
Cable Length1.8 m(detachable, left side)
Connector3.5 mm plug + 6.35 mm screw-on adapter
Earpad MaterialSynthetic velour(Synthetic velour)
Product Number (SKU)700455
Package ContentsHD 550 open-back over-ear headphones, 1.8m cable(3.5mm plug), 3.5mm to 6.35mm screw-on adapter, drawstring storage pouch

Frequently Asked Questions

Q: Is the HD 550 suitable for gaming?

A: Yes. Its open-back soundstage provides clear positional audio, and the HD 500 BAM microphone boom can be purchased separately to transform it into a gaming headset.

Q: Do I need a headphone amplifier?

A: It can be driven by most smartphones or computers, while pairing it with a headphone amplifier or DAC delivers even better results.

Q: Is it open-back?

A: Yes. The open-back design provides a spacious soundstage, but there will be some sound leakage.

Q: Can the cable be replaced?

A: Yes. It features a detachable cable design.

Q: Can the earpads be replaced?

A: Yes. The manufacturer offers replacement earpads for the HD 5XX series.

Q: What is the difference compared with the HD 560S?

A: Both are open-back headphones. The HD 550 is a new member of the 500 series, with lower impedance(tuned around 120Ω)and the same comfortable fit.

Genuine Sennheiser Product · 1-Year Warranty · Shop Now
Source: Sennheiser official website us.sennheiser-hearing.com(retrieved on 2026-10-23)|Parallel-import product; 1-year warranty provided by our store

Warranty

1-year warranty as standard. DIGIBAL ONLINE follows the warranty period required by the local trade and consumer laws of your country and will provide warranty service or assist with repairs for your product accordingly. Warranty period is subject to the statutory requirements of the local country.

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