Here are the key of the Pioneer DEH-P01 (often called the P01 or part of the ODR series), based on its manual and specifications.
This is a high-end, competition-grade CD player from Pioneer's line, designed primarily for car audio SQ (Sound Quality) competitions. pioneer deh-p01 manual
: Equipped with four 24-bit D/A converters to manage individual frequency bands, ensuring a high S/N ratio of 115 dB. Here are the key of the Pioneer DEH-P01