UMII-18 requires a custom woofer cutout in all our 18" cabs. Please contact us if you intend to use this woofer!

Contact Us

If you have a question that you can't otherwise find an answer to, just drop us a note at customercare@gsgad.com or give us a call at: 855-GSG-Audio* (855-474-2834) and we'll do our best to get back to you. 

As you might imagine, we get a lot of questions, so sometimes it will take a little longer than we would like to get back to you.  We appreciate your patience and understanding.

* Important notice required by the Telephone Consumer Protection Act (TCPA): By sending a text message to GSG Audio at the above phone number, you consent to receive text messages (SMS) from GSG Audio. GSG does not use your phone number to send promotional or marketing messages nor will GSG share your mobile information with third parties/affiliates for marketing/promotional purposes.  Message and data rates may apply. To opt-out, reply STOP. For assistance, contact our customer service.