The Beautiful Sound of Music from Stax SRD-7 SB headphone adaptor. The item is nearly in mint condition, fully tested working perfectly. The adaptor is 6 pines, therefor it will work with all Stax models of the headphones.This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Headphones". The seller is "theaudiostudio" and is located in this country: US. This item can be shipped worldwide.