Hi,
I'm familliar with car steroe install but not adding sub and amp to factory radio. so I want to add a sub and an amp in my truck keeping the Oem radio in it, my truck is a 2016 f150 non sony.

I have an old amp that I want tu reusse to power my shallow mount sub, Alpine mrp-f250, it's a 4x50 watt amp, can I power a sub with this amp? and if I can, what sub is the best for this amp ex: 300w dual coil sub.

I want to tap in rear speaker wire to get signal (rear left + and real right -)my anp riquire rca input, do it exist an line to rca adaptor?

Do I need to connect the remote wire?

for more detail and picture of my amp you can visit this page http://www.f150forum.com/f30/2016-screw-sub-add-help-365261/

Thanks for your help!!