STAX SRM-400S Electrostatic Headphone Amplifier 10% special There is enough room in

There is enough room in the ear cups so that they do not cause any pressure on the ears and provide a good seal

the bass level on Sphear S has been slightly increased compared to the original Sphear for mobile use in noisy environments

DN3 presents new artistic crafts

and balanced sound signature

In the box you'll find a micro USB cable for charging

STAX SRM-400S Electrostatic Headphone Amplifier 10% special There is enough room inMiddle class semiconductor driver unit is renewed. New DC amplifier which FET are installed in all stages. STAX introduces a new semiconductor driver unit SRM 400S, the successor model of SRM 353X. STAX custom made low noise DUAL FET is installed on First Stage. And FET is also installed on Last Stage. The characteristics of right FET and left FET are measured strictly. Selected FET are installed as well as SRM 700S. SRM 400S succeeds to the design