Upgraded M300SE HiFi Headphone Amplifier, 2PCS of CS43131 MQA Audio DAC, USB/Optical/Coaxial/Bluetooth Input DSD MQA XMOS Balanced XLR Output THD+N 0.00013% with Remote Control

Capable of directly sampling PCM digital audio up to 32-bit/768kHz without downsampling. It also supports Native DSD playback up to DSD256 without conversion. Optical/coaxial input supports DoP64. The front panel features a 6.35 mm single-ended headphone jack and a 4.4 mm balanced headphone jack, with an integrated high-performance stereo headphone amplifier that can deliver substantial driving power to each interface simultaneously. The chip's proprietary headphone impedance detection allows for automatic adaptation to various types of headphones. A complete MQA decoder, which will fully expand MQA music files to provide high-quality sound sources.

At this playback level, you will fully hear the content created by the artist in the studio. M300 SE can turn off the volume control function in the preamp mode, keeping the output level at 4.0V rms (XLR balanced) or 2.0V rms (RCA single). At this time, the M300 MK II works as a pure DAC