Go for Kenwood & 6" Door Speakers. Very Decent output without distortion. Drawbacks of Sony 1) Spare Part Scarcity 2) If anyone feature is not working,then all Head Unit becomes inoperative 3) Speaker quality is crap 4) Less Nos. of Authorised Dealers & Service Centres Drawback of Pioneer 1) Duplication & Gray Market 2) Only Bass frequency is more. 3) Frequently breakdown 4) Less Nos. of Authorised Dealers & Service Centres I have not seen a single Sony & Pio with Tax Invoice & Warrantee Card. All Car Decor Shoppee sells Gray Market & Duplicate Sony & Pio. Because they get high margin in Gray product. If you want Dynamic & Realistic sound output & Realistic Effects then Kenwood wins the hand :wow Pre-amp (Internal Amplifier) of Kenwood is outstanding.