Hi, I have an 8 inch alpine SWE-815 has 100 horse power and bass is enough but is not that respiratory sistem vibrating bass and wantes to ask if upgrading to one
Alpine SWE-815 - 8" 20cm 300 Watts Amplified Active Car Sub Subwoofer Bass Box | eBay
Remote Controls - Genuine Subwoofer Level Phase Low Pass Frequency Wired Remote Control for AlPINE SWE-815 SWE-1080 PWE-T0800C SWE-1200 Subwoofer : Buy Online at Best Price in KSA - Souq is now
How to install a Sub - Alpine SWE-815 - Fiesta ST180 - YouTube