Hello all, I just recently installed a new subwoofer in my car. The amplifier I use a kicker 720 watt 4 channel. Once I hooked up my subwoofer, all of my other speakers started sounding really bad. Is there any instant fix to this? I’m thinking it’s because the amplifier isn’t supplying enough power to the speakers so I might have to get a new amplifier. Any feedback helps out a ton. Thanks