Sennheiser HD 660S2

Running these analyses costs money. Buy through my links to help keep lights on! I may get a small commission.

Overall

#29 in

Headphones (Over / On Ear)

according to Reddit Icon Reddit

Sentiment score70% positive
89
21
18
Last updated: Apr 20, 2026

Reddit Reviews

Reddit Icon777navmk
Reddit IconaceCrasher
4 months ago

Thats so funny because its the other way around for me. I sold my Arya Stealth to buy a 660S2.

Reddit IconAdAdditional8414
5 months ago

hd550 is a fairly affordable and safe pick imo. If you don't mind eq the 560s is another good set. If you love vocals get something from the hd6-line. HD660S2 can be found anywhere near $400 these days

6 months ago

hd660s. I love both its strength as well as its weaknesses, making it my favourite pair of gears

3 months ago

shp9500, makes me value good mids over boosted bass. Now I'm happy with both my hd660s and hd620s. I also got a few pair of iems which are great, but never actually use anymore. Still wondering if I should sell them lol

3 months ago

full sized. I pick my hd660s and even my hd620s over my ier m9 anytime

Reddit Iconadelkkhalil
8 months ago

I got and returned the 109 Pro after few weeks. They are super comfortable, nice sounding and that is it. They are nice they didn't do much for me no complaints it just OK. I found my self going back more and more to my older Arya Stealth and 6xx. Obviously everyone is different but I think under $1000 there is much better at least objectively better headphones and you can listen to them first. Focal Clear, Arya Stealth, LCD-2C (used) I would even throw in 660S2. All these to me sounded better than 109 Pro.

Reddit IconAdmiral_Ackbar_1325
about 2 months ago

I did, but it didn't seem to help much. The biggest issue for me was lack of bass impact and definition. I know that on a graph these technically have more bass than a 660S2 but I honestly couldn't hear it. I actually prefer the bass on the 660S2's.

Reddit IconAlphaomegalogs
5 months ago

I've tried the HD660S2, it did not impress me compared to the HD800s, I auditioned them back to back. My reaction to the HD660s2 was something along the lines of "Better bass better imaging version of the HD6XX (which are a third the price)." My reaction to the HD800s was... well I had no words I was blown away and moved to tears.

Reddit IconArctobear10
5 months ago

Hi how about drop hd6xx, or sen had660s2, if yiu boughr 6xx fit the custom cans bass mod kit and not far off sounding like 660s2. Also can thicker ear pads too . Regards mark

Reddit Iconatyne_mar
2 months ago

660S2 if you want them for both immersion and spatial awareness.

Rankings by Use Case

Top recommendations from others in the same boat

Other Reddit Recommendations: