Sennheiser HD 300 PRO 508288
Its 64-ohm dynamic drivers deliver accurate, linear sound, while the closed-back earcup construction provides high passive noise isolation for critical monitoring in loud environments. Exchangeable cables via Sennheiser's system connector and plush, durable padding enable long-wearing comfort and lasting build quality. This headphone is best for broadcast and studio engineers who require reliable, uncolored audio when mixing or tracking in noisy settings.
No current retailer price
Snapshot
The 30-Second Version
Studio-grade flat response in a tank of a build. Tight clamp and no wireless, but for monitoring accuracy, it's a no-brainer.
Pros & Cons
Pros
- Flat, accurate sound that reveals every detail in a mix 90th
- Passive noise isolation that actually works on stage 76th
- Build quality is solid, in the top quarter of what we track 72nd
- User sentiment is excellent, owners genuinely love these 66th
Cons
- Comfort ranks in the bottom third, tight clamp is real
- Sound score in our database is weirdly low vs user praise
- Calls are a weak spot, mic quality is near the bottom
- Wired only, which is fine for studio but limits portability
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 13 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
What surprised us most is how wildly the numbers and the owner feedback diverge. Our database ranks the sound at just the 22nd percentile, which normally translates to 'meh' audio. Yet users rave about the accurate, flat response and excellent detail retrieval. The 64 ohm impedance means you'll want a decent headphone amp or audio interface to get the most out of it, not just a phone jack. The 20Hz-20kHz range is standard, but Sennheiser's tuning is what makes these cut through a mix. One thing that is not a surprise: the mic and call quality score is rough, at the 17th percentile. These are not for Zoom meetings.
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Weight | 0.2 kg / 0.5 lbs |
| Ear Cushion | viscoelastic |
Audio
| Driver Type | dynamic |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 64 |
| Codecs | SENNHEISER Professional HD 300 PRO Over-Ear Broadcast Headphones,Black |
Noise Control
| Transparency | Yes |
Connectivity
| Wired Connector | 3.5mm |
| Detachable Cable | Yes |
| Cable Length | 1.5 |
Microphone
| Microphone | No |
vs Competition
Up against the Sony ULT WEAR, the Sennheiser loses on comfort, connectivity, and battery, but the Sony is a consumer headphone tuned for bass and fun. The HD 300 PRO is a work tool. The Bose QuietComfort is a better buy if you want ANC and wireless for commuting, but its sound is colored in a way the Sennheiser flatly refuses. The JBL Tune 670NC and TOZO HT3 are cheaper, but you're giving up that studio-grade neutrality. For pure monitoring accuracy in this lineup, the Sennheiser is the one to beat, even if it's not the most comfortable ride.
| Spec | Sennheiser HD 300 PRO 508288 | Sony WH-1000XM WH-1000XM6 | Beyerdynamic Aventho 100 | Bowers & Wilkins Px8 S2 301165-06-00-308 | Anker Soundcore Space D1402 | Soundcore Space One Pro |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | on-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | - | 30 | 45 | 40 | 40 | 40 |
| Impedance Ohms | 64 | 48 | 48 | - | - | 16 |
| Wireless | - | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.3 | 5.4 | 5.2 | 6.0 | 5.3 |
| Battery Life Hours | - | 30 | 60 | 30 | 50 | 60 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser HD 300 PRO 508288 | 66.4 | 14.9 | 75.8 | 19.5 | 46 | 29.8 | 71.6 | 39.8 | 89.8 |
| Sony WH-1000XM WH-1000XM6 Compare | 98.2 | 98.4 | 75.8 | 86.7 | 76.5 | 80.1 | 0 | 89.4 | 98.7 |
| Beyerdynamic Aventho 100 Compare | 98.2 | 75.6 | 94.3 | 98.2 | 91.3 | 52 | 0 | 97.7 | 61.3 |
| Bowers & Wilkins Px8 S2 301165-06-00-308 Compare | 80.5 | 99.3 | 94.3 | 93.6 | 76.5 | 14.9 | 87.5 | 93.7 | 95.1 |
| Anker Soundcore Space D1402 Compare | 98.2 | 80.4 | 90.8 | 94 | 86.5 | 80.1 | 87.5 | 96 | 62.1 |
| Soundcore Space One Pro Compare | 98.2 | 82.7 | 75.8 | 94.3 | 91.3 | 52 | 87.5 | 87.9 | 83.6 |
Price
Value & Pricing
Pricing is a bit all over the map depending on where you shop. EUR listings range from EUR 160 to EUR 202 across DE, ES, FR, and IT, so do your homework before clicking buy. At the lower end of that spread, this is a very fair price for a broadcast-grade monitor. At the higher end, you're paying a premium for the Sennheiser name. The best deal in our data comes from the EUR 160 listing, if you can find it.
Price History
Read more
Overview
The Sennheiser HD 300 PRO is a studio monitor in headphone form. It's not flashy, it's not wireless, and it won't win any beauty contests. But if you want to hear exactly what's in your mix, this is the tool for the job. The flat, accurate sound is the star here, even though our database puts the overall sound score surprisingly low at the 22nd percentile. That mismatch, spec sheet vs. real user love, is the story here.
Common Questions
Q: Do I need a headphone amp for the HD 300 PRO?
At 64 ohms, these will play from a laptop or phone, but you won't get their full potential. A basic audio interface or headphone amp makes a real difference in clarity and volume.
Q: Are these good for gaming?
Yes, actually. Multiple owners mention using them for gaming and loving the accurate positional audio. Just don't expect a built-in mic for chat, you'll need a separate one.
Q: How does the noise isolation compare to active noise cancelling?
It's passive only, so it blocks sound by physically sealing around your ears. It's great for a loud stage or studio, but a good ANC headphone will do better on a plane or train. Different tools for different jobs.
Who Should Skip This
If you're after a wireless, comfortable, bass-heavy headphone for commuting and casual listening, skip this. Get the Sony ULT WEAR or Bose QuietComfort instead. The HD 300 PRO is for people who need to hear the unvarnished truth in their audio, not for people who want their music to sound fun.
Verdict
If you're a musician, broadcaster, or editor who needs to hear the truth in your audio, get the HD 300 PRO. The flat response and build quality justify it, especially if you find it near the EUR 160 mark. If you want a fun everyday headphone for music and podcasts, this is not that. Buy it for work, not for vibes.
