Hello,   Didn't see an obvious link to where you wanted us to pre-order from.  Could you point me to it.   Regards, Greg

Hello all,   Would like to get some help requesting Koss get the same wonderful  ear cushion design that they are using for the PRO4S headphones offered for sale for the ESP-950 headphones.   These memory foam cushions are so much more comfortable it would be quite an upgrade if we could get...

Hello all,   Have searched quite a bit and am still looking to find a schematic of the ESP 950 power unit.  Does anyone have a copy to look at?   I did add some Os-Con caps across the power input connector and that did help the bass some.  Increasing it over 100 uf though did not improve...