Up for sale is a BAT VK 600SE stereo amp which has the new super capacitors installed from the BAT factory. According to Victor this upgrade basically makes this a 655SE from a sound quaility perspective at lot less sell price. These are the same caps used in the REX II amp as well as the 655 SE amp. Its a significant upgrade in sound quality over the stock 600SE. The amp is in Excellent condition and sounds amazing. It is black in color. Please buy with confidence due to my 100% positive feedback since 2002. I will split shipping in the USA at my asking price. Paypal add fees. I will accept other forms of payment. Please email or call to discuss firstname.lastname@example.org 717-329-9269.