PreSonus HP60 6-Channel Headphone Amp with Headphones Bundle Specially Priced Bundle includes (1) PreSonus HP60 with all items as packaged by PreSonus, PLUS: (4 Pair) Closed-Back Stereo Headphones so you can start monitor headphone sends/mixes right out of the box! Sonic Sense One-Year Extended Warranty Adds One Year to Manufacturer's Warranty