A previous system that was in the car. Pyramid Gold PB-290 on the left ran 6 x 9s under the rear deck. Carver M-2120 on right ran a pair of Lanzar LN-12S 12" woofers in the box in the next picture. A pair of 3.5" coaxials in the center dash location are run off of the radio. That's a home-made power distribution block between the amps.