Pioneer 6 disc cd changer with CD Text Decoder & double floating anti-vibration system CDX-P686 6-Disc Capacity High Speed Disc Load and Access ITS Memory (For programming up to 99 Tracks per Disc x 100 Discs) 8x Oversampling, 1-Bit D/A Converter AGC (Automatic Gain Control) for Optimum CD Tracking Performance