The MaxxBass® 103 Processor also allows you to hear subwoofer-like
bass response in your car even without a subwoofer. MaxxBass® 103 improves
overall bass imaging on the front door speakers in vehicles with rear
The MaxxBass® 103 makes 5” to 6” door panel woofers sound
like 8” or 10” subwoofers without any additional speakers
or higher amplifier power requirements.