When connected to a Pioneer receiver via HDMI, these Blu-ray Disc players enhances CD playback with the proprietary Precision Quartz Lock System (PQLS).

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The three new models employ the Precision Quartz Lock System (PQLS) for jitter-free reproduction of Blu-ray Disc, DVD and CD content.

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Well, have you ever listened to a CD player or watched high-definition television or Blu-ray?

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The only difference we've seen in teardowns is a smaller Blu-ray drive (which still spins at 2x for BD, 8x for DVD and 24x for CD) and a rearrangement of internals -- both of which make way for the volume and size reduction.

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