More cone area means the Solo-Baric L7 … Kicker Solo-Baric L7S154 44L7S154 • 2000W Peak 1000W RMS 15" Solo-Baric L7 Series Dual 4 ohm Car Subwoofer • Peak Power: 2000W • RMS Power: 1000W • Injection-molded patented square … In addition, each coil may be connected to a different amplifier channel and each channel will see a 4 ohm load. Square Design: By making the Solo-Baric square, Kicker is giving you the most possible cone area (or Sd) for a given size baffle, 16% to 20% more area than a conventional subwoofer. 8 = 4 OHM Red/white dot Red/white dot Black/ white Black Black Red + Red + Kicker Solo-Baric L7-Series Subwoofers Recommended Applications Page 17 Wiring Options Single Woofer Using Dual 2 Ohm Voice Coils 4 Ohm … Buy Kicker S15L7 Car Audio Solobaric L7 Square 15" Sub Dual 4 Ohm 2000W 11S15L74 Subwoofer L7S15: Electronics - Amazon.com FREE DELIVERY possible on eligible purchases