We have a traded-in Revel Ultima 5.1 system (the center, rears and sub have been listed separately) and this represents the front 2 channels of that group consisting of;
1 pair of Revel Ultima Studio speakers in silver (s/n STU2410 and STU2411)
Rather than give the specs and description here I'll point you to a couple of reviews that do a great job of explaining the products and listening impressions;
The packaging and accessories for these speakers are complete and original.
The speakers are available for viewing in Mountain View from 11am-7pm, Monday-Saturday. Add 3% for PayPal. Please note that California residents will be have to pay sales tax.