Headphones · Review
Sennheiser HD 550
A well-tuned, easy-to-drive open-back that is strong value at its sale price, though not at its full list price.
85
out of 100
Our verdict
The HD 550 is a 2025 addition to Sennheiser's HD 500 series, with a lightweight plastic chassis that closely resembles the HD 560S. Audio46 describes a balanced, uncolored tuning with clear mids and a smooth, relaxed treble, and reviewers find it comfortable for long sessions. It is easy enough to drive from a portable DAC. The soundstage is narrower than many open-backs, and the treble may feel too restrained for listeners who want more sparkle.
What's good
- Balanced, uncolored tuning with clear mids
- Light at 237g and comfortable
- Easy to drive from a portable DAC
- Frequently discounted well below list price
What's not
- Narrower soundstage than many open-backs
- Relaxed treble lacks sparkle
- Mostly plastic build and few accessories
How it scores
How we rate →Specifications
- Type
- Over-ear, open-back, wired
- Driver
- Dynamic
- Impedance
- 150 ohms
- Frequency response
- 6Hz to 39.5kHz
- Sensitivity
- 106.7 dB (1 V RMS)
- Cable
- 1.8m detachable, 3.5mm plug with 6.35mm adapter
- Weight
- 237g