Pioneer TS-A300S4 12" 12 inch Single 4 Ohm Car Audio Subwoofer 1500W Max 884938404723 | eBay
Pioneer 500Watts 2-Channel Bridgeable Amplifier for Front door or subwoofer. Model: GM-A3702 (60w x 2 @4ohm), Car Accessories, Accessories on Carousell
TS-500M - 5-1/4" - 4-way 300 W Max Power, 11mm Tweeter and 11mm Super Tweeter and 1-5/8" Cone Midrange - Coaxial Speakers (pair) | Pioneer Electronics USA