Field Test · Studio Gear Review
beyerdynamic DT-770 M
Beyerdynamic’s closed-back DT-770 M offers solid build and moderate isolation
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Spec Sheet
- For drummer and studio
- 35 dBA Noise isolation
- Closed
- Circumlunar
- Dynamic
- SPL: 105dB
- Frequency range: 5-30000 Hz
- Nominal Impedance: 80 Ohm
- Volume control on the cable
- Sided cable management
- 3 m straight cord
- Weight with cable: 354 g
- Weight without cable: 288 g
- Included: Drawstring bag
Studio Log
| Available since | December 2003 |
|---|---|
| Item number | 166121 |
| Sales Unit | 1 piece(s) |
| Design | Over-Ear |
| System | Closed Back |
| Impedance | 80 Ohms |
| Frequency range | 5 Hz – 30000 Hz |
| Adapter | Yes |
| Replacable Cable | No |
| Colour | Black |
| Max. SPL | 105 dB |
| Sensitivity | 105 dB |
| Type Of Connector | Mini Jack |
| Type Of connector | Jack, mini jack |
| Adaptor | Yes |
| Weight | 288 g |
Demo Footage
Field Photography
QC Pass — Field Test
Customer Review Summary
Introduction and Overview
The beyerdynamic DT-770 M, launched in 2003 and priced at around £139, is a closed-back, over-ear headphone designed primarily for drummers and studio use. With an impedance of 80 ohms and a frequency response from 5 Hz to 30,000 Hz, it aims to provide reliable acoustic isolation and clear sound monitoring. Its significant features include a 3-metre fixed cable with an inline volume control and an included drawstring bag. The headphones weigh 288 grams without the cable and 354 grams with it.
Design and Construction
These headphones uphold beyerdynamic’s reputation for durability and craftsmanship. The build utilises quality materials and robust plastic components capable of withstanding drops from shoulder height without damage. The circumaural design, combined with soft leatherette ear cushions, offers reasonable comfort and passive noise isolation, though some users report pressure and warmth after prolonged use. The ear cups do not swivel horizontally, which can create small gaps between the ear and cups for certain head shapes, affecting isolation performance.
The included cable is long and thick, featuring a volume control positioned close to the headphone shell, roughly 10 cm from the ear cup. This volume wheel is convenient but less robust for heavy users, with some reports of it breaking after extended use. The cable itself is not replaceable, which may be a limitation for long-term maintenance.
Acoustic Isolation
Marketing cites up to 35 dBA noise isolation, positioning the DT-770 M as highly effective at blocking external sound, especially useful in preventing headphone sound spill into microphones during studio vocal recordings or drum tracking. In practice, while the headphones achieve good attenuation of mid to high frequencies, their bass isolation is less effective. Many users confirm that drum hits and low-frequency sounds like bass drums are only partially dampened, resulting in some residual spill in loud acoustic settings.
Relative to other drummer-oriented models such as the Vic Firth SIH2 or Superlux HD665, the DT-770 M performs moderately but not exceptionally. The isolation may suffice for electronic drummers or casual recording environments, but those seeking near-perfect noise suppression or protection from very loud drum volumes might require additional ear protection or alternate headphones with superior low-frequency attenuation.
Sound Quality
The DT-770 M delivers a sound signature that prioritises clarity in mid frequencies with somewhat subdued bass and slightly recessed treble. This profile is partly deliberate, aiming to aid percussionists in distinguishing individual hits rather than emphasising a heavy low-end presence.
Listeners report a clean, neutral midrange that facilitates accurate monitoring for voice and instrument tracking, although the tonal balance is considered ‘flat’ and less exciting for casual music listening. The bass lacks impact below around 120 Hz, dropping significantly in level by 50 Hz, resulting in less warmth and fullness compared to other headphones in this price segment. Treble reproduction is clear but occasionally described as dry or slightly muffled.
Such sound characteristics may disappoint audiophiles or mixing engineers seeking a full and detailed reference but align with the intended use for monitoring and isolation during recording sessions.
Comfort and Wearability
Despite the solid construction, the DT-770 M can feel tight, particularly around the ears and the top of the head, due to firm clamping force and ear pads made of leatherette rather than more breathable materials. Glasses wearers generally find them accommodating, though some users experience ear pressure after continuous wear longer than two hours.
The headphones are relatively lightweight and become less noticeable with use as the ear cushions mould to individual head shapes, though heat buildup can occur during extended sessions.
Practical Use Cases
- Drummers: Useful for electric drum practice where moderate isolation is sufficient, but less effective with loud acoustic kits without supplementary earplugs.
- Studio Monitoring: Ideal for situations requiring midrange clarity and use of an inline volume control during vocal tracking or overdubs.
- Gaming and General Listening: Offers good passive noise reduction, allowing immersive experiences free from urban noise distractions.
- Limitations: Not recommended for critical mixing or mastering due to the unbalanced bass response and compressed sound.
Conclusion
The beyerdynamic DT-770 M is a well-built, comfortable closed-back headphone with decent mid-frequency clarity and moderately effective passive noise isolation. While it excels at reducing ambient noise for typical studio and drummer use, its shortcomings in low-frequency isolation and bass reproduction limit its appeal to those requiring top-tier isolation or accurate, full-spectrum sound reproduction.
Overall, these headphones suit musicians and audio professionals who prioritise comfort, durability, and moderate isolation over pristine audio fidelity and exceptional bass response. Given the price point, the DT-770 M delivers solid value as a focused monitoring tool but may not satisfy users demanding higher performance for mixing or heavy acoustic isolation tasks.
