Music is kept on our phones rather than in giant CD books that get left in the car ... and that's why Sony and Panasonic's new 300GB disc is extremely promising for the future of gaming.

Find out more about how we test. The Panasonic DP-UB154 is a 4K Blu-ray player that offers multiple playback options, including 4K and regular Blu-ray, DVD, CD and even hi-res audio for a cheap price.

The system is also compatible with Panasonic's Music Control App for iOS and Android. SC-HC300 and SC-HC200 lose Chromecast and get reduced power (both go down to 20W) but you've still got access to ...