May I install a 3-way active system with Clarion NX501e and with no additional signal processor? Thanks
http://www.clarion.com/gb/en/products/2011/navigation/navigation/NX501E/gb-en-product-pf_1259487995452.html
http://www.clarion.com/gb/en/products/2011/navigation/navigation/NX501E/gb-en-product-pf_1259487995452.html