Sennheiser HD620S - A Fine Closed Back Bearing the 600 Name

The HD620S was a loan from a friend of the channel. Thanks!

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My First Impressions Video:    • Sennheiser HD620S Headphone First Imp...  

My Other Sennheiser Reviews:

HD58X Jubilee:    • MassDrop + Sennheiser HD 58X Jubilee ...  
HD600:    • Sennheiser HD600 (New Version) Headph...  
HD6XX:    • Massdrop + Sennheiser HD6XX Video Review  
HD660S2:    • Sennheiser HD660S2 Headphone Review -...  
HD800 S:    • Sennheiser HD800s & HD800 Headphone R...  

My Reviews of Some Other Mentioned Gear:

Austrian Audio Hi-X60:    • Austrian Audio Hi-X60 Closed Back Hea...  
Berkeley Alpha S2:    • What Gear is My Gear? Part 1: New Ser...  
Chord Hugo 2:    • What Gear is My Gear? Part 7: Chord H...  
Focal Radiance:    • What Gear is My Gear? Part 6: Focal R...  
Headamp GS-X Mini:    • Headamp GS-X Mini Headphone Amp & Pre...  
HiFiMan Goldenwave Prelude:    • HiFiMan Goldenwave Prelude Headphone ...  
HiFiMan HE1000se (1):    • HiFiMan HE1000se Headphone Review  
(2):    • What Gear is My Gear? Part 5: HiFiMan...  
HiFiMan Susvara (1):    • HiFiMan Susvara - Summit-Fi Headphone...  
(2):    • What Gear is My Gear? Part 3: HiFiMan...  
Lake People G111mk2:    • Lake People G111mk2 Headphone Amplifi...  
LTA MZ3:    • Linear Tube Audio MicroZOTL MZ3 Pream...  
Singxer SU-6:    • Singxer SU-6 DDC Review - Strong Soni...  
SMSL DO200 Pro:    • SMSL DO200 Pro DAC Review - More Chip...  
Sonore ultraRendu:    • Sonore ultraRendu Network Audio Strea...  

My Hearing Quirks:    • WaveTheory Reviews WaveTheory - Chann...  

Timestamps...

00:00 Intro, Pricing, Disclaimer
01:25 Shameless Self Promotion
02:06 Takeaways
03:07 Specs
04:07 Build, Cabling, Fit - A Couple Big Issues
16:37 Test Gear
18:22 Sound
24:14 Comparison with HD6XX
26:28 Comparison with Austrian Audio Hi-X60
27:40 Worthy of the HD600 Name?