Suggested Retail:$110.99. NHT SuperZero 2.1 Premium Home Theater Bookshelf Speaker - Clean, Hi-Res Audio | Sealed Box | Mini-Monitor | Single Unit, Gloss Black. The SuperZero 2.1 is a true high-end mini-monitor that builds on the merits of its predecessors through the addition of a 2nd order crossover and a newly revised woofer. The SuperZero 2.1 is small speaker, at just 9" tall x 5" wide x 5.5" deep, that achieves its lifelike mid-range and high frequencies through acoustic suspension technology. This compact, well-braced cabinet coated with a beautiful black gloss laminate is designed to be inherently strong and stout in order to avoid the unwanted vibrations that afflict the mid-range performance of other speakers on the market.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.