Ground Zero GZCK 165XSPL 165 mm / 6.5″ SPL midwoofer Marine 4 Channel Amplifier A built-in capacitor is included

A built-in capacitor is included to attenuate low frequency ranges

The pod contains the same speaker and driver combo that everyone loves from the previous generation but now the clamping system has been reinforced for stronger grip and protection all around

The Ground Zero GZHW 20XSPL series of subwoofers come with a yellow aluminum frame

correct charger

Ground Zero GZCK 165XSPL 165 mm / 6.5″ SPL midwoofer Marine 4 Channel Amplifier A built-in capacitor is included165 mm 6. 5 high efficient SPL midwoofer with stiff reinforced paper cone and long stroke CCAW voice coil, incl. grill 5 SPL midwoofer 38 mm 1. 5 voice coil Fiber reinforced paper cone Long stroke foam surround Resonance free steel basket Paper dust cap Incl. protection grill Soldering terminal 1 piece package Model SPL midwoofer Diameter 165 mm 6. 50" Power Handling (RMS max.) 100 250 Watts Impedance 4 Ohms Frequency Response 50 Hz 4 kHz Voice Coil