Amazon.com: DS18 PRO-GM8B Loudspeaker - 8", Midrange, Red Aluminum Bullet, 580W Max, 190W RMS, 8 Ohms - Premium Quality Audio Door Speakers for Car or Truck Stereo Sound System (1 Speaker) : Everything Else
Amazon.com: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : Electronics