Selling a powerful car audio sound system setup. Perfect choice for someone wanting heavy, deep bass and loud, clear sound performance • Rock Mars RM-AF4700 4-Channel Amplifier: 3000 Watts max output power. Built on a heavy-duty MOSFET power supply with an efficient cooling system. The inner motherboard circuit is completely genuine, clean, and untouched (never repaired). Has external surface scratches on the cover plate which do not affect functionality. • Kenwood KFC-W3002 12-Inch Subwoofer: Genuine old-school Kenwood heavy bass woofer cone (300W RMS). Single voice coil. The blue front face and rubber surround are in perfect shape with zero leaks. The outer metal frame has surface rust from storage, purely cosmetic Both items are thoroughly tested and 100% working. Bring your electrician/checking source along if you want to verify performance Slightly negotiable on the spot for serious buyers Can sell separately