The STK SP-218S dedicated subwoofer with two of 18” “SK” transducers in a vented trapezoidal enclosure.
Has designe very specially,the dual SK181000F woofers provide very high peak and long term outputs.
Dedicated subwoofer system extend, 40Hz Response.
The enclosure construction: “STK STANDARD” 18mm plywood,18mm MDF with dado-cut joints and volted 3mm steel plate to both the top and one on each inside cabinet.
Recessed cups on the top accept the foot pads of an SP4733N or another pro series subwoofer.
Ultra tough, the scratch proof warnex texture coated.
Impact-resistant perforated metal grill(1.5mm)with weather proof powder coated.
3 side handles one on each side and one rear side for easy repositioning.
“SCP” STK caster option.