Rockford-Fosgate Punch P3SD2-8

Features:

• 8" Dual 2 ohm Shallow Mount Punch Stage 3 Subwoofer
• Power Handling:
• Peak: 300 watts
• RMS: 150 watts
• Recommended power range: 75 - 200 watts RMS
• CEA-2031 Compliant
• Klippel Verified
• Flex-fit™ Mounting pattern
• Proprietary spider venting/cooling technique
• StampCast basket with integrated spider venting
• Sturdy 16 gauge compound bend frame geometry
• High modulus Kevlar™ re-inforced paper-pulp cone
• Semi-flexible, PVC removable protective motor cover
• Multi-point high-temp/high-strength neck joint bonding technique
• Tall-profile VAST™ Santoprene™ surround for larger surface area
• Dual tear & fatigue resistant poly-cotton spider with woven tinsel leads
• Fatigue resistant and reduced strain "stitched on" flexible lead wire design
• Proprietary all metal, radially oriented compression input terminal assembly
• Optimized motor magnetics with extended pole and bumped vented backplate
• High temp 2" voice coil w/ spun-laced Nomex™ insulating re-inforcement collar
• Die-Cast aluminum soft-touch painted trim ring allows for optional integrated grill
• Mounting Depth: 2.66"
• Cutout Diameter: 7.13"
• Magnet Weight: 37.5 oz
• Frequency Response: 38 - 250 Hz
• Xmax: 8.3mm
• Sensitivity: 82 dB @ 1 watt / 1 meter
• Recommended Ported Enclosure: 0.75ft³
• Recommended Sealed Enclosure: 0.25ft³
• Matching Amplifiers: (one subwoofer)
• Rockford Fosgate P500X1BD, Series @4ohms 
  ✔ Preferred Match
• Rockford Fosgate R250X1, Series @4ohms
• Rockford Fosgate PBR500X1, Series @4ohms
• Matching Amplifier: (two subwoofers)
• Rockford Fosgate P500X1BD, Series/Parallel @2ohms 
  ✔ Preferred Match
• Rockford Fosgate P300X1, Series/Parallel @2ohms
• Rockford Fosgate PBR500X1, Series/Parallel @2ohms