The BasX MR1 AV receiver combines a high-performance 13.2-channel surround sound processor and an 11-channel audiophile-level amplifier in one package. The MR1 processor section supports 4k UHD video, including HDR and Dolby Vision, the enhanced ARC standard (eARC). as well as the latest immersive ambient sound formats Dolby Atmos and DTS:XTM. The MR1 is equipped with six HDMI 2.0b video inputs, all of which support the 4k UHD extended Dynamic Range (HDR) video format, as well as the new audio return Channel (eARC) standard. The MR1 is equipped with several types of analog and digital audio inputs and an integrated Bluetooth receiver with aptX support.