Hey All I am having 2012 punto Dynamic diesel version. It doesn't have USB or AUX support. There is no way to add too. So planning to upgrade the Head Unit and speakers as well. Here the short listed Items. Let me help with your comments about the selection whether I should go or not. Limitations: I dont want use extra amp/woofers (amp is ok if its really necessary) dont want fit speakers in boot Head Unit: Pioneer USB only MVH-1490UB. (50W x 4) JVC Bluetooth/USB KD-R926BT. (50W x 4) Since I am going to use my phone to mount as a USB drive or a USB disk. Can we use bluetooth to stream music if I buy a bluetooth capable Head Units like the jvc one. Front Speakers: JBL GT6-S266C (60W RMS) Component Speaker JBL GT6-S266C I am not sure about the input power handling. Should I use the speaker with only 50W rated input power or can I use a 90W RMS JBL speakers Rear Speakers: JBL GT6-S366 Coaxial Speakers or the above if fits. I would like to know the difference between infinity and jbl speakers. I dont want to go for extra amps and woofer, Will the Head unit power unit is sufficient for these speakers? Please give your suggesstions.