Sophia Electric Classic II 300B Tubes Accessories STAX's legendary SR-009 series enters

STAX's legendary SR-009 series enters its next evolution with the SR-009S

Compact portable electrostatic DAC and headphone driver

and those for whom daily portable use requires a more compact form factor without compromising the listening experience

100-240V universal

Sophia Electric Classic II 300B Tubes Accessories STAX's legendary SR-009 series entersSophia Electric Classic II 300B Tubes Sophia Electric is excited to announce the launch of a new magical sounding Classic II 300B tubes for the audiophile community. Over 6 years in the making and multiple voicing revisions, Richard is ready to release a new Sophia Electric product with a signature magical sound. Three color options are available for the Classic II 300B tubes: clear glass with white ceramic base, clear glass with black base, and blue