Hifiman HE-400S for $250 with coupon

Planar-mania is also fed by the eBay coupon promotion C20SPRING over there. Also from World Wide Stereo on eBay, you can get the new condition Hifiman HE-400S planar-magnetic over-ears for $250 with free shipping. The coupon drops it from $300 to $250. The coupon expires Monday night.