Cook says the cost of a subwoofer can run as low as $37. Columbus Car Audio & Accessories sells a subewoofer package that includes an amplifier and an enclosure for $299. For a pair of car speakers, Columbus Car Audio & Accessories start prices at $39, with an average cost of about $70 for installation. read more
On average, car stereo installation, without the car stereo, is going to range anywhere from $0 if you purchase directly from a company during a promotion to as much as $300 for an advanced receiver that may require more wiring than usual. Most basic installs, however, will be about $40 to $80. read more