Ground Zero GZNW 38SPL-D1 38 cm / 15″ high performance SPL subwoofer Ring Terminals giving you the ability to

giving you the ability to match your amplifier for maximum performance

this subwoofer proves that small size doesn’t mean small sound

Also equipped with an integrated RGB LED Lighting

9 Volts RMS maximum output

but according to customers

Ground Zero GZNW 38SPL-D1 38 cm / 15″ high performance SPL subwoofer Ring Terminals giving you the ability to7000 Watts SPL 15 high performance SPL subwoofer with aluminum cast basket 15 high performance SPL subwoofer Klippel optimized Reinforced paper cone Solid aluminum cast basket 75 mm 3 coil with 4 layer CCA flat wire 4 layer Nomex spider Carbon design dust cap Model High Performance SPL subwoofer Diameter 38 cm 15" Power Handling (RMS SPL.) 3500 7000 Watts Impedance 2x 1 Ohms Efficiency 88. 5 dB Power Recommendation 2000 7000 Watts Voice Coil 75 mm 3"