The Pioneer is a high-end audiophile head unit released primarily for the Japanese market, also known globally as the Go to product viewer dialog for this item.

Allows for separate 31-band adjustments for the left and right channels to perfect the imaging.

The DEH-P01 is often a Premier model. The manual explains the enhanced features: , DHE (Digital Harmonic Enhancer), and the 16-segment graphic EQ. These aren't just fancy names; they require specific frequency Q-factor adjustments that only the manual explains clearly.

But here is the hard truth: