4) Pioneer 6x9 Inch 720 Watt 2-Way Coaxial Car Stereo Speakers Four | TS-D6902R 4) Pioneer TS-D6902R 6"x9" 360 Watt 2-Way Car Speakers (2 Pairs) Max Power: 720 Watts (180 Watts for each speaker) Nominal Power: 160 Watts (40 Watts for each speaker) Size: 6"x9" Cone Material: Dual Layer IMX Aramid-Basalt