Description Buy Paramax P-510 5.1 Channel Surround Sound AV Receiver (USED) online from PCTRUST Computer Sales & Service in Guelph, Ontario. In-store pick-up only. SKU: P-510 Categories: All Products, Audio TV & Home Theatre, AV Receivers, Home Audio, Theatre & Accessories, Receivers, Used Tags: AV receiver, in-store pick-up only, Paramax, used