I replaced the cushions on my Pro4AA circa 1979. Although the cushions got stiff and tired after 40 years, the phones still sound outstanding! And now soft and comfortable!
Great great products and service (thank you Katillia!). A bargain at twice the price.
In these days of cheap and disposable, Koss Pro4AA remain the pinnacle of performance, quality and reliability.
It would help to include a one-pager on how to remove old and install new cushions. It was trickier than I expected but got them on in about 15 minutes.
Review by Yragentman /
(Posted on 5/26/2019)
Thank you
Overall
Thank you, Koss, for having these cushions available at a very reasonable price. My PRO4AA dates back to the late 70's and were put away due to the old leaking cushions which made them very uncomfortable. These cushions have brought new life to these great headphones and they are now back on the shelf...not the drawer.
Review by jazzbo /
(Posted on 1/7/2018)
Wow, I mean WOW!
Overall
My 4AA's are from around 1980 or so. I guess gradually they have become under-inflated and quite crushing to my ears. And now I use them more than ever for recording and late night work. The new set of cushions was a bit difficult to stretch to put on, but a blow drier helped heat them up for the workability to get them on. Just like my teens again with comfort, accuracy and far out music. And work too. LOL I ordered 2 sets for insurance.
Pros: Renewed comfort and sound transfer
Cons: Why didn't I do this decades ago?
Review by KP11520 /
(Posted on 4/14/2014)
Easy fix to common problem
Overall
For the tiny price, these do so much for making those old 4AA's fit like new. I now prefer my Pro4AA's over my much lighter but less accurate Sennheiser 204's!! You've got the best, make them like new again.
Pros: Stupid cheap for what you are getting. Makes the old new again.
Cons: Won't walk the dog or go for ice cream.
Review by Magic Rat /
(Posted on 11/28/2012)
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John C. Koss, Founder