IXS Shallow-Mount 12" Fiber Glass Subwoofer 800 Watts Rms SVC 4-Ohm Tools & Home Improvement Do I need an external

Do I need an external amplifier to run these speakers

the dive computer comes with an internal rechargeable Li-ion battery that can be replaced if needed

The USB rechargeable battery makes it easy to power up from any USB port

DS18 PRO-DKN1XS 2" Throat Bolt On Neodymium Driver with Spacer

IXS Shallow-Mount 12" Fiber Glass Subwoofer 800 Watts Rms SVC 4-Ohm Tools & Home Improvement Do I need an externalDS18 IXS12. 4S 12" Car Subwoofer 1600 Watts 4 Ohm SVC Shallow Mount Continuing the tradition of our very popular shallow mount subwoofers, we now have the IXS line which is the successor to our best selling SW slim subwoofer line. We took the SW line and made it even beefier for more bass. The IXS comes in both 10 and 12 inch. Also they both have multiple voice coil options to get the most from your amplifier. These subs are perfect for the audiophile