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Header-wrapper. subheader-wrapper. left-col. right-col. creditlink.footer-wrapper. Precise tuning for the SB-4000 is enabled from a subwoofer DSP smartphone app with custom presets. We're always happy to help!
This is a very impressive sub. I’ve listened to subs at twice the price from some very big names in the audio industry that don’t mach up. It’s an awesome sub at an affordable price. If you’re using your system for music I recommend using two subs right and left for balance.