A Pair Of Bran New Superchaers 550k, And A1fbp Pre-amp, Andv-can,headphone Amp, £1595.00, Delivery And Sale Only To The U.k Pending Where At A Small Cost, 2 Year Gurantee, All Sealed And New, The 550k's Are Super Mono Blocks, Other Usage Is A Compromise. Nando.