The KECES S4 Stereo Preamplifier is a versatile, high-end audiophile unit. It stands out for its built-in DS Audio optical equalizer, an excellent MM/MC phono stage, and a Class-A balanced headphone amplifier. Delivers an incredibly transparent, warm, and dynamic sound that rivals much more expensive equipment

-Single-ended, zero feedback circuit topology and demanding pure Class A operation and removing the need for a phase splitter. - Fully symmetrical construction and offer a wide range of symmetrical (XLR) and asymmetrical (RCA) inputs and corresponding outputs. -The pre-amplifier circuit boards are of symmetrical double-mono construction -The elaborate volume regulator is created by an R-2R network that has the same impedance at 128 possible, logarithmically tuned levels and guarantees an extremely good synchronism down to the lowest volumes. -The new design uses low noise toroidal transformer in external supply. -Build in DS audio EQ and MC/MM phono. -Build in high-quality headphone amplifier. -All-metal infra-red remote control handset. -The components and materials employed are uniformly of top quality.