Allen 20mm Dynamic Block Stand Up boat shields Is supplied with an optional

Is supplied with an optional front mount bezel

Switch mode technology for high efficiency

Specifically for customers that want the sub(s) to hit loud and proud

We've got that

Featuring the same dual channel receiver as the AIS200 range

Allen 20mm Dynamic Block Stand Up boat shields Is supplied with an optionalThe A2020 Dynamic Block is a preferred choice for small diameter line applications, providing low friction, fast rolling, and strong performance. With a built in spring and lacing eye, this block stands up easily under pressure. Featuring a patented bearing system, this block utilizes twin rows of stainless steel ball bearings on a stainless steel rail for superior load carrying ability and longevity. The patented Ultra Strap, created through a