Rockville RVP18W4 1200 Watt 18" Raw Replacement DJ PA Subwoofer 4 Ohm Sub Woofer

The Rockville RVP18W4 18" raw professional subwoofer erupts with power. These can handle 600 watts RMS.
Compare these with other raw subs, and you can see a clear difference in power as well as in sound quality. Other subs might write 1,000 watts peak but they only have 200 true RMS watts. The competing products to this have 70 Oz magnet structures. This sub has a 90 Oz magnet.

Features  Of RVP18W4:

Rockville RVP18W8 18" 1200 Watt Raw Replacement Subwoofer
Power RMS: 600 Watts
Peak Power: 1200 Watts
Fiber Reinforced Ultra Stiff Paper Composite Cone
Paper Composite Dust Cap
Expanded and Rolled Steel Basket
Accordion Cloth Surround
Ultra Saturated, High BL Magnetic Motor Gap
3" High Temperature CCAW High SPL Voice Coil
Linear Progressive Conex Spiders
Dual Nickel Plated Banana Plug Terminals
Impedance: 4 Ohms
90 oz Magnet
Mounting Depth: 7.17" inches
Frequency Response: 26 Hz to 500 Hz
Sensitivity: 101dB @ 1w/1m
REVC: 6.3 Ohm
FO: 36.084 Hz
SD: 1.385 sqCM
BL: 13.753 TM
QMS: 3.62
QES: 0.845
QTS: 0.685
NO: 2.548%
SPLO: 101 dB
VAS: 473.708 Ltr
CMS: 173.909 uM/N
KRM: 4.414 m Ohm
ERM: 0.819
MMS: 111.865 g
MMD: 82.228 g
KXM: 17.759 m Ohm
EXM: 0.717