DS Audio DS Grand Master EX Optical Phono System openbox It features advanced noise reduction

It features advanced noise reduction technologies

bi-amp capability

600 damping factor

It converts all digital signals to DSD using proprietary algorithms and is FPGA-based

It features a nude Microline stylus on an aluminum cantilever

DS Audio DS Grand Master EX Optical Phono System openbox It features advanced noise reductionDS Audio Grand Master Extreme is DS Audio's absolute flagship optical phono cartridge, featuring a 0. 22mm square one piece diamond cantilever and integral Micro Ridge stylus grown from a single diamond by Orbray, eliminating the adhesive joint of conventional designs. The ultra duralumin body houses DS Audio's third generation dual mono optical mechanism with independent LEDs and photodetectors per channel and a 99. 9% beryllium shading plate,