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.