inputs.text: well worth - problem bass blocker see radio already high pass filter stops low bass frequencies adjust believe really good low bass potential alpine decided not bring hand radio didnt function like peoples stereos would happy thisother speakers absolutely awesome built solid love pointable tweeter didnt figure though put bad laterthey decently loud thats not main idea behind made sound good midbass 70200 hz really good alpine type r 12 fills low end beautifully set sps components front coming future well way building one best sounding car audio systems ever heard