Take the cuffs off your factory stereo system by adding these upgrades and improvements from OnlineCarStereo.com. The PowerBass XEQ series of multi-band equalizers and pre-amps let you control the EQ settings for multiple source inputs. A Bluetooth powersports equalizer adds wireless connectivity to the OEM radio. If you’re installing an aftermarket amp, use PowerBass ALC line output converters as a plug-in adapter. Redefine what’s possible with factory radio sound reproduction while saving big with a low-price guarantee from an authorized retailer.