8in Reflex Subwoofer Box BJ15-2B Supplied with grinding arms for

Supplied with grinding arms for 6mm and 10mm wide

Chisel blades are lacquered to protect against corrosion

It should be installed on a suitably strong and well-mounted i-beam (RSJ or H-section steel beam) with a bottom flange width of 64-210mm

301156 Toledo Feeler Gauge 22 Blade Met Imp 22 steel blades

Best for: concrete/marble

8in Reflex Subwoofer Box BJ15-2B Supplied with grinding arms for82 APBX8R 8IN REFLEX SUBWOOFER BOX The APBX 8 R loaded enclosure was developed with reflex loading, with tuning designed to concentrate SPL in the lowest frequency range. The aim was to exploit the natural boost in output found in most cars below 60 Hz known as cabin gain . The 8in single 4 ohm voice coil subwoofer has a powerful motor that maximizes efficiency in combination with the AP8. 9 bit amplifier. The low resonant frequency of the subwoofer,