Now you can get JBL sound quality with an entry-level price tag. Their Stage A9004 4-channel amplifier sends 90 watts RMS to each of your front and rear speakers, adding impact and clarity to your music. You can also use this versatile amp use in 3-channel mode to power a pair of speakers up front while sending up to 140 watts to your sub.
Works in almost any vehicle
Speaker-level inputs allow this amplifier to work with most systems, even if you're keeping your factory radio. Separate high- and low-pass filters maximize your system's performance. The front and rear channels also feature a bass boost so you can make your subwoofers sound their best.