HIGH OUTPUT SP-W-4H-50KSP-W-4H-45KSP-W-4H-40KSP-W-4H-35KSP-W-4H-30K STANDARD OUTPUT SP-W-8S-50KSP-W-8S-45KSP-W-8S-40KSP-W-8S-35KSP-W-8S-30K SP-W-4S-50KSP-W-4S-45KSP-W-4S-40KSP-W-4S-35KSP-W-4S-30K