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Sennheiser HD660s V2

Sennheiser HD660s is a new improved headphone, based on the good but aging HD650 (and the still good but old hd580/600). The HD660s is easier to drive, better matching the more portable sources we are all using nowadays, with both a slightly higher sensitivity and a much lower impedance of 150 ohms. Sound quality is more open with improved clarity and a really clean, smooth mid-range. 

HD660s are still light weight, at 260g, with deep velour pads for great comfort. There are now two cables included - one with 6.5mm plug & a 3.5mm adaptor. The second a new style 4.4mm balanced pentaconn connector that is showing up on plenty of portable and desktop amps. If you want xlr, just add the DDhifi XLR adaptor from accessories section.

The new iFi line of dacs and amps are great value and include a balanced amp to match with the HD660s & included 4.4mm balanced cable.  So depending on the budget the ZEN Dac, ZEN Can, new iFi Signature and the Neo all have 4.4mm balanced out and are good matches for the HD660s.

Sennheiser HD660s measurements:

  • Impedance: 150 ohm
  • Sensitivity: 104dB
  • Frequency Response: 10 - 41,000 Hz
  • THD: 0.04%
  • HD660s Cables: 3m, 6.5mm plug and 4.4mm plug cables included
  • 6.5mm - 3.5mm adaptor included
  • 2 years warranty

 

Customer Reviews
5.0 Based on 4 Reviews
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Filter Reviews:
    01/29/2022

    excellent sales and service

    great experience and price!!

    A
    Anonymous
    Canada Canada
    07/06/2021

    Good product. Fast shipping

    Very good sound nice product

    DL
    Danny L.
    Canada Canada
    10/03/2018

    Incredible Headphones

    The best I've ever used and the client services received is still amazing as usual... Très satisfait de mon achat et le service reçu est de haut niveau comme à chacun de mes achats précédents effectués avec HEADPHONEBAR Merci & thanks

    PL
    Pascal L.
    Canada
    09/17/2018

    Outstanding!

    I have these paired with a FIIO E10k playing FLAC files from my desktop. Amazing sound quality. A real nice upgrade from my old Sennheiser 598s. The E10K drives them easily on High-Gain mode - most songs I don't turn up past 4. They are new and thus pricey, but I'm pleased with my purchase.

    AB
    Adam B.
    Canada