Sennheiser Hd700 Professional Stereo Headphones Sennheiser HD 650 vs HD 700 Pros & Cons and Verdict Let us rate both these headphones across different parameters to understand which scores better overall These headphones have been around for some time HD 650 came to the market in 03 while HD 700 was released some time in 05/06 NOTE Manufacturer has discontinued the HD700 line, so if you're interested inSennheiser HD 700 Audiophile Headset, Black Visit the Sennheiser Store 46 out of 5 stars 281 ratings Currently unavailable We don't know when or if this item will be back in stock Brand Sennheiser Colour Black Connectivity technology Wired Form factor Circumaural Headphones jack 635mm Jack About this item Open, circumaural dynamic stereo headphones; Sennheiser hd700 discontinued