Beyerdynamic DT 700 Pro X vs Sennheiser HD 620S

Short answer: the Beyerdynamic DT 700 Pro X. It ranks #98 of 216 over-ear headphones by sound quality, rated 3.8/5, at $279.99. The Sennheiser HD 620S ranks #112, rated 3.7/5, at $259.19, $20.80 cheaper, a saving that is not big enough to make up the sound-quality gap.

What the Beyerdynamic DT 700 Pro X does well: Bass from 60 to 200 Hz lands right on the Harman target, and the 48 ohm, 100 dB sensitivity design drives easily from a laptop or interface. The catch: A deep 12.8 dB dip near 3.9 kHz pulls vocal presence and consonant clarity backward, and presence overall runs about 3.5 dB under target.

Why pick the Sennheiser HD 620S: Bass from 60 to 200 Hz is lifted about 2.6 dB while sub-bass sits within half a dB of target, giving a punchy, well extended low end. The tradeoff: At 150 ohms and 110 dB SPL/V it is more demanding than most headphones here and benefits from a headphone amp rather than a phone.

Buy the Beyerdynamic DT 700 Pro X. It is rated higher for sound quality, and the $20.80 you would save on the Sennheiser HD 620S does not close the gap.

Still deciding? The full Headphones rankings cover every ranked option.

Specifications Side By Side

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• Sivga Luan vs Beyerdynamic DT 700 Pro X
• Meze 105 Aer vs Beyerdynamic DT 700 Pro X
• Austrian Audio Hi-X65 vs Beyerdynamic DT 700 Pro X
• Beyerdynamic DT 700 Pro X vs Sony MDR-MV1
• Audeze Maxwell vs Beyerdynamic DT 700 Pro X

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The Two Headphones In Full

Beyerdynamic DT 700 Pro X: $279.99 Amazon eBay

Pros: Bass from 60 to 200 Hz lands right on the Harman target, and the 48 ohm, 100 dB sensitivity design drives easily from a laptop or interface. The closed back and 350 g weight suit tracking and long monitoring sessions where bleed matters. A preference score of 77 with a fairly smooth 2.6 dB deviation makes it an easy listen overall.

Cons: A deep 12.8 dB dip near 3.9 kHz pulls vocal presence and consonant clarity backward, and presence overall runs about 3.5 dB under target. Sub-bass is about 2 dB light, so the lowest notes lack rumble. The Austrian Audio Hi-X65 matches its rating for noticeably less money, so the price is hard to justify on sound alone.

Full Beyerdynamic DT 700 Pro X review and specifications →

Released	Oct 2021 (5 years ago)
Back	Closed
Connection	Wired
Deviation From Target	2.58 dB standard deviation
Driver Type	Dynamic
Form Factor	Over-ear
Frequency Response	5Hz - 40kHz (Manufacturer specified)
Harman Preference Score	77 (measured by oratory1990, via AutoEQ)
Impedance	48 ohms
Sensitivity	100 dB SPL (1mW/500Hz)
Sub-bass Extension	Within 6 dB of target down to 20 Hz (-0.5 dB at 30 Hz)
Tonal Tilt	-0.34 (negative is warmer, positive brighter)
Weight	0.8 lbs (350 g)

EQ preset to match the Harman target

Set a preamp of -4.6 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	+1.0 dB	0.70
Peak	131 Hz	-4.1 dB	1.24
Peak	2,692 Hz	-2.6 dB	0.37
Peak	265 Hz	+4.2 dB	1.71
Peak	3,557 Hz	+6.8 dB	2.70
High shelf	10,000 Hz	-0.2 dB	0.70
Peak	5,709 Hz	-2.0 dB	3.38
Peak	62 Hz	+1.5 dB	3.47
Peak	88 Hz	-0.8 dB	3.25
Peak	4,028 Hz	+1.4 dB	5.91

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the Beyerdynamic DT 700 Pro X (oratory1990 measurement)
• Head-to-Head Comparisons
  • Beyerdynamic DT 700 Pro X vs Audeze Maxwell
  • Beyerdynamic DT 700 Pro X vs Sony MDR-MV1
  • Beyerdynamic DT 700 Pro X vs Austrian Audio Hi-X65
  • Beyerdynamic DT 700 Pro X vs Meze 105 Aer
  • Beyerdynamic DT 700 Pro X vs Sivga Luan

Sennheiser HD 620S: $259.19 Amazon eBay

Pros: Bass from 60 to 200 Hz is lifted about 2.6 dB while sub-bass sits within half a dB of target, giving a punchy, well extended low end. The upper mids and presence stay close to the target, so vocals sound natural and clear. The closed back isolates well for private listening.

Cons: At 150 ohms and 110 dB SPL/V it is more demanding than most headphones here and benefits from a headphone amp rather than a phone. Treble from 6 to 10 kHz is about 2.6 dB low with a 6.9 dB dip near 9.5 kHz, which softens cymbals and sibilance. The Audio-Technica ATH-M50x holds a higher rating for a much lower price. See headphone amps and DACs with enough power to drive it.

Full Sennheiser HD 620S review and specifications →

Back	Closed
Connection	Wired
Deviation From Target	2.19 dB standard deviation
Driver Type	Dynamic
Drivers	1 x 42mm dynamic
Form Factor	Over-ear
Frequency Response	6Hz - 30kHz (Manufacturer specified)
Harman Preference Score	74 (measured by oratory1990, via AutoEQ)
Impedance	150 ohms
Sensitivity	110 dB SPL/V
Sub-bass Extension	Within 6 dB of target down to 20 Hz (-1.3 dB at 30 Hz)
Tonal Tilt	-0.80 (negative is warmer, positive brighter)

EQ preset to match the Harman target

Set a preamp of -1.8 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	+0.4 dB	0.70
Peak	112 Hz	-5.7 dB	1.93
Peak	8,995 Hz	+3.2 dB	1.57
Peak	49 Hz	+0.9 dB	1.25
Peak	1,644 Hz	+2.0 dB	3.09
High shelf	10,000 Hz	-4.3 dB	0.70
Peak	615 Hz	-1.9 dB	1.75
Peak	234 Hz	+2.0 dB	3.58
Peak	2,761 Hz	-2.7 dB	6.00
Peak	843 Hz	+1.6 dB	4.59

• Reviews, Comparisons and Sound Samples
  • AutoEQ results for the Sennheiser HD 620S (oratory1990 measurement)
• Head-to-Head Comparisons
  • Sennheiser HD 620S vs Sennheiser HD 599
  • Sennheiser HD 620S vs Audio-Technica ATH-M60x