Worldwide known Delta Sigma's Integrated Amplifier. Based on advanced 3MHz circuit, with spectacular sound – transparently pure, ultra high resolution, unrestrained dynamics and a presentation that captures the true sound of a voice, piano or any musical instrument. Sonically, it represents transparent purity of the finest OTL amplifiers but lightning fast with a greater top end extension, a more open sound, deeper & tighter bottom octaves, more effortlessly explosive dynamics and an amazing lifelike presentation.