Convert Your Sierra-2 To Sierra-2EX V2

DIY upgrade kit to convert your Sierra-2 speakers to Sierra-2EX V2.

Sierra-2EX V2 feature our top-of-the-line "EX" woofer which dramatically improves bass extension, midbass punch, midrange detail and improves overall power handling.

Your Sierra-2 speakers will now become full-fledged Sierra-2EX V2!

Detailed instructions are included. If you prefer not to do the work yourself, we would be happy to perform the upgrade for you. Simply give us a call or send an email for details. 

*Note: 1 kit needed for each speaker.  A pair of speakers requires 2 kits.