With a highly professional DAC design and ultra-high performance featuring four amplification levels for perfect driving from sensitive in-ear headphones to power-hungry over-ear headphones, the KANN ULTRA from Astell&Kern offers everything an audiophile heart desires. The KANN ULTRA has four amplification levels and an enormous output power of up to 16 Vrms, making this portable Hi-Res player capable of perfectly driving even the most demanding headphones. The audiophile DAC design, consisting of two ES9039MPRO flagship DAC chips, ensures flawless decoding. Astell&Kern's TERATON ALPHA audio technology additionally provides a finely resolved, detailed, and highly natural sound. Furthermore, with TERATON ALPHA, a separate amplifier/sound design for the headphone output as well as the line and preamplifier outputs has been realized to deliver optimal sound for every connection. Therefore, the KANN ULTRA features three output modes, allowing you to enjoy perfectly processed sound from Astell&Kern, whether you are using demanding headphones, highly detailed in-ear monitors, or external devices. In addition to 2.4 GHz and 5 GHz WiFi for smooth streaming of music services, Bluetooth with support for LDAC and aptX HD is available to provide audiophiles with high-quality sound even when listening wirelessly. Music files can be stored locally on the internal 128 GB memory, and for those needing more space, an optional microSD card can be used. With the KANN ULTRA, Astell&Kern has created an audiophile masterpiece. The proven concept of the KANN series has been retained and enhanced with an amplifier design featuring three output modes. This way, the KANN ULTRA maximizes audiophile sound quality both when using headphones and in conjunction with external audio equipment.