Which item is used for external monitoring in conjunction with CR PLAY?

The correct answer is Masterlink, which is used for external monitoring in conjunction with CR PLAY. Masterlink is a digital audio workstation that allows for the playback and monitoring of audio content in a controlled studio environment. This tool is particularly valuable because it enables engineers and producers to check audio quality and levels in real-time while working on projects.

In the context of CR PLAY, which is typically used for running audio content, Masterlink aids in ensuring that the audio being played meets the professional standards required for quality production. By utilizing Masterlink, audio professionals can effectively monitor and adjust sound quality, ensuring that the final product is polished and meets all technical specifications.

Other options might be related to audio production in general but do not specifically serve the purpose of external monitoring in conjunction with CR PLAY in the same capacity as Masterlink.