Bazooka EL1204 - Manual (Page 11)

The innovative design of the EL component Woofers allows
you to liquid cool the voice coil motor assembly for maximum
power handling capability. With the addition of the CHIL
PLUG and the CHIL KIT from your local dealer, or directly from
SAS, you can easily add liquid cooling to your EL Series
Component Woofer.
10
CHIL Plug
Utilizing the optional CHIL
plug can increase the EL
woofers power handling
up to 50%.