Beyerdynamic DT 770 M vs iBasso SR1

Short answer: the Beyerdynamic DT 770 M, though neither ranks well in its class. It ranks #205 of 216 over-ear headphones by sound quality, rated 2.0/5, at $199.99; the iBasso SR1 ranks #211, rated 1.5/5, and costs $399, which makes this an easy call rather than a real tradeoff. Both are rated below 3.0/5 among the 216 over-ear headphones, and the HIFIMAN Ananda Nano, ranked #4 at $319, is a better place to start if sound quality matters.

The Beyerdynamic DT 770 M is the better-sounding option. A closed back design that blocks outside noise better than an open back, with an 80 ohm load and 105 dB sensitivity that a phone or laptop can drive. Watch for: A deep 15.6 dB dip near 3.6 kHz and a presence band about 7 dB low push vocals and guitars back and make the sound muffled.

The case for the iBasso SR1: A low 22 ohm impedance means the 50 mm dynamic driver runs from a phone or laptop without a separate amp. The catch: Crinacle’s measurement gives it a preference score of only 25, with a steep warm tilt and large deviations of about 4.5 dB on average from the Harman target, so most listeners will hear a muffled, uneven balance.

Buy the Beyerdynamic DT 770 M. It is rated higher for sound quality than the iBasso SR1 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.

Want more options? Browse the full Headphones rankings.

Specifications Side By Side

Related Headphone Comparisons

How Beyerdynamic DT 770 M compares with other leading options:

• Audio-Technica ATH-AD900X vs Beyerdynamic DT 770 M
• AKG K271 MKII vs Beyerdynamic DT 770 M
• Beyerdynamic DT 770 M vs Audio-Technica ATH-A990Z
• Beyerdynamic DT 770 M vs Sennheiser HD 569
• Beyerdynamic DT 770 M vs Audio-Technica ATH-G1

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The Two Headphones In Full

Beyerdynamic DT 770 M: $199.99 B&H Photo Video eBay

Pros: A closed back design that blocks outside noise better than an open back, with an 80 ohm load and 105 dB sensitivity that a phone or laptop can drive. The bass from 60 to 200 Hz and the low mids sit slightly above target, which suits listeners who like a warm tone. It is rated higher than the Audio-Technica ATH-A990Z and Meze 99 Classics.

Cons: A deep 15.6 dB dip near 3.6 kHz and a presence band about 7 dB low push vocals and guitars back and make the sound muffled. Sub-bass falls 6 dB below target at 75 Hz, so the deepest synth bass and kick drum rumble fade out. The AKG K271 MKII is rated higher for similar money.

Full Beyerdynamic DT 770 M review and specifications →

Released	Dec 2003 (22 years ago)
Back	Closed
Built-in Microphone	No
Connection	Wired
Deviation From Target	4.83 dB standard deviation
Driver Type	Dynamic
Form Factor	Over-ear
Frequency Response	5Hz - 30kHz (Manufacturer specified)
Harman Preference Score	37 (measured by oratory1990, via AutoEQ)
Impedance	80 ohms
Sensitivity	105 dB
Sub-bass Extension	Falls 6 dB below target at 75 Hz (-9.3 dB at 30 Hz)
Tonal Tilt	-1.08 (negative is warmer, positive brighter)
Weight	0.7 lbs (300 g)

EQ preset to match the Harman target

Set a preamp of -6.5 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

Filter	Frequency	Gain	Q
Low shelf	105 Hz	+7.6 dB	0.70
Peak	91 Hz	-14.9 dB	0.66
Peak	4,980 Hz	+5.4 dB	0.84
Peak	75 Hz	+7.3 dB	2.66
Peak	60 Hz	+6.8 dB	0.94
High shelf	10,000 Hz	-0.0 dB	0.70
Peak	2,666 Hz	-2.5 dB	0.42
Peak	3,533 Hz	+4.7 dB	2.91
Peak	8,793 Hz	+2.4 dB	2.64
Peak	1,011 Hz	+1.5 dB	1.03

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the Beyerdynamic DT 770 M (oratory1990 measurement)
• Head-to-Head Comparisons
  • Beyerdynamic DT 770 M vs Audio-Technica ATH-A990Z
  • Beyerdynamic DT 770 M vs Sennheiser HD 569
  • Beyerdynamic DT 770 M vs AKG K271 MKII
  • Beyerdynamic DT 770 M vs Audio-Technica ATH-AD900X
  • Beyerdynamic DT 770 M vs Audio-Technica ATH-G1

iBasso SR1: $399.00 Amazon eBay

Pros: A low 22 ohm impedance means the 50 mm dynamic driver runs from a phone or laptop without a separate amp. Its very warm tilt can appeal to listeners who want a dark, bass-heavy sound and dislike any brightness.

Cons: Crinacle’s measurement gives it a preference score of only 25, with a steep warm tilt and large deviations of about 4.5 dB on average from the Harman target, so most listeners will hear a muffled, uneven balance. The semi-open back leaks sound and lets outside noise in, and the cheaper Sony WH-1000XM5 rates noticeably higher.

Full iBasso SR1 review and specifications →

Released	2018 (8 years ago)
Back	Semi-open
Built-in Microphone	No
Connection	Wired
Deviation From Target	4.48 dB standard deviation
Driver Type	Dynamic
Drivers	1 x 50mm dynamic
Form Factor	Over-ear
Frequency Response	3Hz - 40kHz (Manufacturer specified)
Harman Preference Score	25 (measured by crinacle, via AutoEQ)
Impedance	22 ohms
Sensitivity	108 dB
Tonal Tilt	-2.12 (negative is warmer, positive brighter)
Weight	0.9 lbs (420 g)

EQ preset to match the Harman target

Set a preamp of -6.8 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.

Filter	Frequency	Gain	Q
Low shelf	105 Hz	+1.7 dB	0.70
Peak	196 Hz	-5.9 dB	0.52
Peak	5,980 Hz	+10.5 dB	0.63
Peak	103 Hz	-0.7 dB	3.84
Peak	5,700 Hz	-13.9 dB	2.77
High shelf	10,000 Hz	+4.5 dB	0.70
Peak	1,100 Hz	-1.1 dB	2.13
Peak	3,462 Hz	+2.2 dB	4.43
Peak	8,402 Hz	-2.5 dB	4.80
Peak	3,096 Hz	-1.9 dB	6.00

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the iBasso SR1 (crinacle measurement)
• Head-to-Head Comparisons
  • iBasso SR1 vs Audio-Technica ATH-A990Z
  • iBasso SR1 vs KLH Ultimate One