GROUND ZERO GZPW 15NEO-XSPL

Subwoofer level: World Champion! This driver is made to exceed 170 dB sound pressure levels. With Klippel-optimization every weakness is found and taken out. Leaving a rock solid combination without any weaknesses. Structure is insanely robust. Cone is a handmade 3-layer carbon cone. FlatWire voice coils are made in japan and 4″ in diameter. SPL Power handling ( that driver can handle the competion time ) is 25 000 watts. HighRoll sandwich surround and multilayer progressive spider keep the cone motion in line even in insane levels of movement. The biggest specialty in this subwoofer is NEO-motor that gives this badass its name. With this motor BL is 37.4 N/A!

15″ SPL Competition subwoofer

Type Neodymium SPL Subwoofer
Diameter 38 cm / 15″
Power handling (RMS/SPL) 6500 / 25000 Watts
Impedance 2x 1 Ohm
Efficiency 90 dB
Power recommendation 4500 – 6500 Watts
Voice coil 100 mm / 4″ aluminium
Cone Carbon
Max. excursion (Xmax) 60 mm / 2.36″
Mounting Ø 360 mm / 14.17″
Mounting depth 325 mm / 12.8″
Resonance frequency (Fs) 41.2 Hz
Dämpfungsgrad (Qts) 0.19
Damping ratio (Qts) 25.6 L / 0.90 cu.ft.

Suitable for:
Sound Quality use ☺☺
SPL Competition use ☺☺☺☺☺☺
Low bass performance 20 – 50 Hz use ☺☺.