Used Infinity Reference 1600A - $80 shipped: under-rated at 600 wrms @ 2-ohms, 400wrms @ 4-ohms, 11-330hz, CEA-2006 compliant, 3 x 25-amp fusing. Looks decent and works well. Solid. Pounds all day @ 2-ohms and never gets hot. No remote level control included.reliable/cheap buying today! lets go!