STAX SRM-400S Speaker Amps Ten years of Aurender research

Ten years of Aurender research and development distilled into one statement component

The Aurender N150 is the most accessible and economical entry point to the Aurender ecosystem

These are the same pads the 109 Pro ships with from the factory

The KANN series has always prioritized drive capability and output power for demanding headphones

Genalex KT88 output tubes (matched pair)

STAX SRM-400S Speaker Amps Ten years of Aurender researchThe STAX SRM 400S is STAX's mid tier all stage FET electrostatic driver, the successor to the SRM 353X, bringing the fully FET configured DC amplifier architecture of the flagship SRM 700S to a more accessible price point with improved power efficiency and a more rigid, vibration resistant chassis. Type and Technology All stage FET DC amplification electrostatic driver. STAX custom made low noise dual FET in the first stage, with FET also installed in