Blu-ray players actually have 3 emitters. Some cheap DVD players tried reading CDs with the one laser, it works for some part of the time. It was found out by the people who bought them there was a lot of media that couldn't reliably be read with the shorter wavelength. Pioneer's first batch of BD players didn't include a CD laser, but they didn't try to cheat, they just left CD playback off the feature list (that confused a lot of people).


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris