The Blackjack 21 subwoofer is the perfect choice for those who don't compromise on power. It packs a powerful punch with 5500WRMS and weighs in at an impressive 120lbs. With its strong build and durable design, this subwoofer will provide you with reliable performance for years to come. However, due to its size and power, it is not suitable for those with limited space or those with hearing problems. Audio Ace is not liable for any hearing loss or any injuries that occur while moving this product.
 
QES- .311
QMS- 3.178
QTS- .283
FS- 38
SPL- 90
RE- .9+.9
BL-34.556
5500 WRMS
5 Inch Voice Coil