We are stereo exchange, a NYC hi- end retailer of new & used audio & video for over 39 years. Founded in 1984 by David Wasserman as a small store across the street from Tower recordsIn March of 2017 we closed our 10,000 square foot Broadway store and opened up a much smaller boutique high end 2 channel by appointment showroom near Union Square. We are now located at 23 E 17th St 2nd floor NYC NY 10003. Phone 212-505-1111 Press 2 for salesIn our current business model, we actively buy hi-end used for cash or we take it in trade against a sale of new or used equipmentWe are most interested in high-end components so let us know what you have via eBay email and we will give you a fair trade in price towards our products on eBay For sale is a pair of Moon Neo400M mono amps from Sim Audio, a very prestigious Canadian manufacturer of hi-end audio componentsWe are a dealer for Sim Audio and can sell these excellent trade in amps with a 3 year warrantyWe have the original packingThe amps are highly reviewed and currently sell for $9,200 a pairOur price for the used paid is $4,295.Shipping is $100 anywhere in the 48 states