eBay (via focuscamera) has the Beyerdynamic T1 Tesla Audiophile Stereo Headphones for a low $649.99 Free Shipping. Tax in NJ, NY. These headphones currently sell for over $1000 on Amazon (list price is $1400). That means you're saving an additional $330 compared to the next lowest priced vendor! These are Beyerdynamic's best consumer headphones and definitely require a quality amp to maximize the sound quality to its fullest potential. We have never seen these headphones go for under $700 so jump on this if you think you are enough of an audiophile to merit the premium cost. Impedance 600 ohm for high end and home audio use The increased efficiency also leaves the T1 with greater power reserves for dynamic Lightweight 600 ohm voice coil provides transparency and perfect impulse fidelity Exceptional build quality with hand selected components Headphone amp is strongly recommended