The Topping EHA5 Electrostatic Headphone Amplifier has been optimised to obtain the fullest potential from your electrostatic headphones & make a world of difference in the music you love. It boasts 700 Vrms of output voltage for significantly greater power than its competitors & a dynamic range of 146d B. The stylish unit comes in an all-black finish adorned with gold detailing on the feet & front 5pin Stax headphone output jack. A convenient trigger input allows the simple synchronisation of the components in your hi-fi system & takes the hassle out of device controls.