Power Modules Belles MB 500 Monoblock Amplifiers (used) - Serial #7001/7002. Black faceplate and chassis. If you need raw power... these will deliver! A whopping 500 watts per channel into 8 Ohms, 900 wpc into 4 Ohms. This pair also includes XLR inputs (a factory-added option) in addition to the RCA inputs.
Each amp weighs about 90 pounds, and they run Class AB so make sure you keep them out in the open so they don't get too hot! Amps are in excellent condition, and come with all original packing and owner's manual.
Retail $15,000/pair. Purchased new in 2010 and traded in by original owner.