Volkswagen Polo MK4 2002-2006 Pioneer CD MP3 AUX USB Stereo Player & Fitting KitVolkswagen Polo MK4 2002 2006 Pioneer CD MP3 AUX USB Car Stereo Player &Fitting Kit PLEASE SEE THE 2ND PICTURE IN THE LISTING OF THE SHAPE AND STYLE OF FACTORY RADIO YOUR CAR MUST HAVE FOR OUR KIT TO FIT Pioneer Specifications: Get pristine sound from the Pioneers built in amplifiers that deliver 4 x 50W of pure, proven MOSFET power. For more power you can use the RCA pre out to hook up another stereo component, like a subwoofer or an extra amp for