TASCAM US-144mkII Audio Interface Cables Included Connected to Windows 11, headphone output, line output, and coaxial optical output were confirmed. Line input and microphone input have not been confirmed. The RCA cable and USB cable in the first photo are included as a bonus. The "US-144MKII" is a desktop USB 2.0 24bit/96kHz audio/MIDI interface that employs a high-quality sound circuit. It can be widely used for everything from multi-track music production to creating videos for streaming stereo audio on the internet. To smoothly transfer 24bit/96kHz audio data with a large data capacity, it adopts the USB 2.0 standard, boasting a maximum data transfer speed of 480Mbit/s and a power supply capacity of 500mA. It ensures 4IN/4OUT audio streams with the PC. Furthermore, it is equipped with digital input/output via S/P DIF COAXIAL. Digital connection without sound quality degradation is possible with external devices that have digital input/output, such as CD recorders and synthesizers. *Digital signals cannot be directly monitored on this unit. As a major feature, it is equipped with separate volume controls to individually adjust the volume of the LINE output for connecting speakers and the headphone output. Advanced monitoring using both headphones and speakers is possible without turning the speakers on and off.