STAX SRM-400S Speaker Amps These are the same pads

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

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

and a smooth

and proprietary software-driven volume control

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

STAX SRM-400S Speaker Amps These are the same padsThe 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