Ground Zero GZHW 20XSPL-D2 is a 8 inch SPL subwoofer with aluminum cast basket and reinforced paper cone with 700/1500 watts of power handling.

8″ high quality SPL subwoofer
Klippel® optimized
Reinforced paper cone
Long stroke compound surround
Solid aluminum cast basket
63 mm / 2.5″ copper voice coil
2-layer Polycot spider
IMPP dust cap with 3D structure logo

Model	High-Quality SPL subwoofer
Diameter	20 cm / 8"
Power Handling (RMS/SPL.)	700 / 1500 Watts
Impedance	2x 2 Ohms
Efficiency	80 dB
Power Recommendation	50 – 1500 Watts
Voice Coil	63 mm / 2.5" Copper
Membran Layout	Reinforced paper
Max. Excursion (Xmax)	40 mm / 1.57"
Mounting Ø	187 mm / 7.36"
Mounting Depth	145 mm / 5.71"
Resonance Frequency (Fs)	38.3 Hz
Overall Qaulity (Qts)	0.381
Equiv. Air Volume (Vas)	4.77 L / 0.17 cu.ft.

Ground Zero GZHW 20XSPL-D2 8” subwoofer gives a serious performance, great sound quality, and significantly higher volume than thought for. The subwoofers are designed to handle enormous input power, which allows for enormous bass levels to be successfully deployed under competitive conditions. Especially for limited space conditions, three extremely small amplifiers were added to the line in addition to the high-power models. Ground Zero GZHW 20XSPL-D2 specs: 20 cm high-quality SPL subwoofer with cast aluminum basket, Klippel optimized, Reinforced paper membrane, Long stroke sandwich ring, Solid cast aluminium basket, 63 mm copper voice coil, 2-layer polycot centring, and IMPP dust cap with 3D logo. It has an impedance of 4 ohms. It provides the RMS of 700 watts and 1500 watts peak power. Ground Zero GZHW 20XSPL-D2 reviews proves it's a subwoofer worth the price.