HIFIMAN SUNDARA vs Sennheiser HD 660 S

vs

Wired headphones Sennheiser HD 660 S vs HIFIMAN SUNDARA look completely different, although they both are open back and over-ear. But here I will show you plenty of other distinction which I have found out.

Features

The frequency response always says a lot about headphones, therefore we'll begin with this feature. The range of Sennheiser HD 660 S sound starts from 9 Hz and ends on 41.5 kHz. HIFIMAN SUNDARA headphones have a much wider frequency response — from 6 Hz to 75 kHz. Their sensitivity is 10 dB different since the first device has 104 dB and the second one — 94 dB.

Sound

Usually, open back headphones do not have noise canceling and these two are not an exception. The soundstage of HIFIMAN SUNDARA is wide, even more amazingly very open and contain so much detail. The bass is pretty flat, with a slight boost in mid-bass, using these headphones you can feel some slam when needed to.

The overall soundstage of the Sennheiser HD 660 S is open, airy and clean in nature with plenty of room for maneuver. The music sounds very natural in the middle frequencies, and the headphones give a very impressive sound in general.

Comfort and design

Let's take a look at how heavy the compared by me headphones are. Sennheiser HD 660 S has 260 g, while the weight of HIFIMAN SUNDARA is 372 g. Both of them have a detachable cable but do not have a built-in microphone.

A wire HIFIMAN SUNDARA vs Sennheiser HD 660 S has a 150cm long wire and it is twice longer than an audio cable that comes with the other appliance — 300cm. Both headphones are big, bulky, not meant for outdoor use.

Sennheiser HD 660 S pros and cons

HIFIMAN SUNDARA pros and cons