The D-NE336CK offers a wide array of playback modes (18 in all), ranging from repeat and random play to track programming to bookmarking. The five-direction control key, meanwhile, makes navigation a breeze. The Walkman is slouch from an audio perspective, either, with such features as a parametric equalizer that lets the user set not only the amount (in dB) by which a certain frequency band is boost or cut, but also the width and/or center frequency of the band; Digital Mega Basss sound, which employs digital processing technology to produce rich, deep bass tones with extremely low harmonic distortion; and a two-position Automatic Volume Limiter System (AVLS) that maintains the volume output at levels below the distortion threshold for cleaner sound reproduction. Best of all for joggers and other active users, the CD player offers Sony's skip-free G-Protection technology, which boosts the laser pickup's shock protection to minimize read errors that would otherwise interrupt your music, providing quick recovery from both horizontal and v