Ground Zero GZNW 30SPL-D2 30 cm / 12″ high performance SPL subwoofer 1987 - 1992 2 Side-brackets

2 Side-brackets

Bass Equalizer: provides a “gain attenuation” 0 to + 12dB at center frequency of 45Hz

Maximum Output Level: 13

looking to have the utmost output at idle *all units are 170-230 amps at idle* and charge at 14

Ground Zero GZNW 30SPL-D2 30 cm / 12″ high performance SPL subwoofer 1987 - 1992 2 Side-brackets6000 Watts SPL 12 high performance SPL subwoofer with aluminum cast basket 12 high performance SPL subwoofer Klippel optimized Reinforced paper cone Solid aluminum cast basket 75 mm 3 CCA round wire voice coil 4 layer Nomex spider Carbon design dust cap Model High Performance SPL subwoofer Diameter 30 cm 12" Power Handling (RMS SPL.) 3000 6000 Watts Impedance 2x 2 Ohms Efficiency 86. 3 dB Power Recommendation 2000 6000 Watts Voice Coil 75 mm 3" CCA