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Sennheiser HD 550

SennheiserMusic headset

HD 550

Released April 2025.2Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 3 states shipping first week of April 2025. March 19 is announcement and pre-order date. Last checked 23 October 2026.

Form factor
Over-ear
Audio connections
Analog
Active noise cancelling
No
Battery life (claimed, max)
Not available

51 of 161 fields known.

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At a glance

All specs

SourceCalculated

General

Series
HD 5001Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 2 identifies HD 500 series.
Model numbers
HD 550, 7004551Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
GTIN / EAN
4260752333498, 8100912735861Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 Technical Data. Maker V02 EN, February 17 2025, mirrored by Geizhals.
Announced
19 March 20252Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026
Status
Available3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
$299.952Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 3 launch MSRP $299.95 USD before tax.
Launch price (EU)
€299.92Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 3 launch MSRP EUR 299.90, including VAT as published.
Markets
Not available
Colours
Black7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Design describes black finish.
Segment
Music3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker categorizes these as audiophile headphones for critical music listening.

Design

Form factor
Over-ear4Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 technical specifications: wired headband, over-ear circumaural, open-back.
Ear cup enclosure
Open4Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Wearing style
Headband4Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Folding
None11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Specifications explicitly says collapsible No.
Swivelling ear cups
Yes11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Build description distinguishes sideways swivel from limited vertical tilt.
RGB lighting
Not available
Lighting zones
Not available

Drivers and sound

Driver type
Dynamic5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Driver size
38mm6Press releasecdn.uc.assets.prezly.com/125ff0a6-9592-4c48-be8d-28f7b3273ca5/-/inline/no/Press_Release_Sennheiser_HD_550_EN.pdfRead 23 October 2026Page 1 custom 38 mm transducer.
Drivers per side
Not available
Diaphragm material
Laminate plastic foil7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Design and features quotes maker on diaphragm construction.
Magnet
Not available
Frequency response (wired or passive)
Min6 HzMax39.5 kHz5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Wireless audio transmission band
Not available
Impedance (passive when specified)
150Ω5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Sensitivity (passive when specified)
106.7dB5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3: 106.7 dB SPL at 1 kHz / 1 Vrms.
Sensitivity reference
Per 1 V5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
THD (claimed)
0.2%5Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3: less than 0.2% at 1 kHz / 90 dB SPL. Stored upper bound.
Max input power
Not available
Max digital audio sample rate
Not available
Max digital audio bit depth
Not available
DAC
Not available
Personalised sound
Not available
Onboard EQ
No12Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.
Custom EQ bands
Not available
EQ presets
Not available
Volume limit
Not available

Spatial audio

We could not find any of these 3 fields. Show them
Spatial audio support
Not available
Spatial audio licence included
Not available
Head tracking
Not available

Noise cancelling

Active noise cancelling
No12Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.
ANC type
Not available
ANC microphones
Not available
Adaptive ANC
Not available
ANC levels
Not available
ANC attenuation (claimed)
Not available
Transparency mode
Not available
Adjustable transparency
Not available
Conversation detection
Not available
Wind noise reduction
Not available

Measured

Frequency response notes
Bass rolls off gently below 25 Hz. The response stays within 3 dB from 25 Hz to 2 kHz. Treble has a peak near 13 kHz.11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Flatbed rig with good seal, no smoothing. Reviewer applies microphone and low-frequency correction. Measurements published July 11 2025. Actual fit can differ.
Bass amount
Not available
Treble amount
Not available
Deviation from target
Not available
Consistency between fittings
Not available
Harmonic distortion
Not available
Sound leakage
Not available
Measured noise isolation
Not available
Noise isolation (measured, best)
Not available
Passive isolation (measured)
Not available
Mic quality notes
Not available
Mic low-frequency extension
Not available
Mic high-frequency extension
Not available
Mic speech-to-noise ratio
Not available
Measured latency
Not available
Bluetooth latency (measured, worst)
Not available
2.4 GHz latency (measured, worst)
Not available
Measured battery life
Not available
Battery life (measured, max)
Not available
Clamping force
Not available
Weight (measured)
238g(8.4 oz)11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Measured specimen 238 g excluding cable. Maker claim stays 237 g.

Microphone

Microphone
None7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Base headphone has no microphone. Optional boom arm is excluded.
Microphone element
Not available
Microphone pickup pattern
Not available
Voice microphones
Not available
Total microphones
Not available
Mic frequency response
Not available
Mic sensitivity
Not available
Mic signal-to-noise
Not available
Mic sample rate
Not available
Mic noise reduction
Not available
Flip to mute
Not available
Mute button
Not available
Mute indicator
Not available
Sidetone
Not available
Adjustable sidetone
Not available
Foam microphone windscreen
Not available

Connectivity

Audio connections
Analog8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026
Analog source plugs
3.5 mm TRS, 6.35 mm8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026
Cable connector on headset
2.5 mm8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026Connectivity section explicitly identifies 2.5 mm locking headset end and 3.5 mm TRS source end.
Longest included cable
1.8m9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Headset USB plug or port
Not available
Audio over USB-C cable
No12Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker explicitly describes a direct analog signal path with no electronics. No powered noise cancellation, digital USB audio or stored electronic equalizer.
Passive wired listening
Yes3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Direct analog signal path with no electronics and no charging or pairing.
Wireless receiver
Not available
Wireless receiver connector
Not available
Wireless range (claimed)
Not available
Bluetooth
Not available
Bluetooth codecs
Not available
LE Audio
Not available
Auracast
Not available
Bluetooth multipoint
Not available
Multipoint devices
Not available
Paired devices remembered
Not available
Mixes 2.4 GHz and Bluetooth audio
Not available
Fast pairing
Not available
Base station
Not available

Latency

We could not find any of these 2 fields. Show them
Low latency mode
Not available
Claimed latency
Not available

Compatibility

Compatible platforms
PS5, PS4, Xbox Series X|S, Xbox One, Nintendo Switch7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026Comparison table explicitly lists these platforms. PC stored as Windows, corroborated by wired PC review. Mobile lacks named OS and is omitted.
Connection per platform
Not available
Official licence
Not available

Battery and charging

We could not find any of these 13 fields. Show them
Battery capacity
Not available
Swappable battery
Not available
Batteries included
Not available
Claimed battery life
Not available
Battery life (claimed, max)
Not available
Battery life with ANC (claimed)
Not available
Battery life without ANC (claimed)
Not available
Charging port
Not available
Full charge time
Not available
Quick charge time
Not available
Quick charge playback
Not available
Use while charging
Not available
Charging dock or stand
Not available

Controls

Controls
Not available
Volume control
None7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026No onboard controls or volume dial.
Game and chat mix
Not available
Remappable controls
Not available
Wear detection
Not available
Voice assistant
Not available

Comfort and build

Headband type
Padded7Reviewtechradar.com/gaming/sennheiser-hd-550-reviewRead 23 October 2026
Headband material
Synthetic leather3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026
Frame material
Plastic8Reviewsoundguys.com/sennheiser-hd-550-review-134419Read 23 October 2026Design describes plastic exterior and chassis.
Ear cup material
Steel mesh covers3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026Maker names steel covers. Entire cup construction is not claimed to be steel.
Ear pad material
Synthetic velour9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Replaceable ear pads
Yes9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Ear pad attachment
Not available
Ear pad opening
Width42Height71mm(1.7 × 2.8 in)11Measurementdiyaudioheaven.wordpress.com/measurements/brands-s-se/hd550Read 23 October 2026Specifications explicitly names inner pad width 42 mm and height 71 mm. Front/rear depth differs, so a single depth is omitted. SoundGuys labels 43 x 75 mm as ear cup dimensions without saying usable opening.
Ear tips included
Not available
Dust and water rating
Not available
User-replaceable parts
Ear pads, Audio cable9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 lists replacement cable and ear pads.

Software

We could not find any of these 3 fields. Show them
Companion app
Not available
App platforms
Not available
User firmware updates
Not available

Dimensions and weight

Headset weight
237g(8.4 oz)9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 explicitly excludes cable.
Headset dimensions
Not available

Certifications

We could not find any of these 4 fields. Show them
Hi-Res Audio
Not available
Communication certifications
Not available
FCC ID
Not available
Other certifications
Not available

In the box

In the box
HD 550 headphones, 1.80 m cable with 3.5 mm jack plug, 3.5 to 6.35 mm screw-on jack adapter, Drawstring bag, Safety guide9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026Page 3 complete box contents.
Cables included
TypeLength (m)Count
2.5 mm locking headset plug to 3.5 mm stereo plug1.81
Source9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026
Carrying case
Soft9Maker spec sheet (PDF)gzhls.at/blob/ldb/2/9/c/b/88e1c5f7d6f57d4eddbdef407b2427546a53.pdfRead 23 October 2026

Warranty

Manufacturer warranty (source market)
2years3Maker product pageus.sennheiser-hearing.com/products/hd-550Read 23 October 2026US maker page includes a 2-year manufacturer warranty.

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Sources

We read 12 sources for this headset. The numbers match the markers in the sheet.

  1. Read 23 October 2026Backs 4 fields
  2. Read 23 October 2026Backs 4 fields
  3. Read 23 October 2026Backs 7 fields
  4. Read 23 October 2026Backs 3 fields
  5. Read 23 October 2026Backs 6 fields
  6. Read 23 October 2026Backs 1 field
  7. Read 23 October 2026Backs 6 fields
  8. Read 23 October 2026Backs 4 fields
  9. Read 23 October 2026Backs 8 fields
  10. Read 23 October 2026Backs 1 field
  11. Read 23 October 2026Backs 5 fields
  12. Read 23 October 2026Backs 3 fields

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