Who We Are

Underwood Hifi has now purchased the assets of of Core Power Technologies. The new name is Core Power Technologies A/V. A/V because these conditioners are amazing on video gear as well as audio. We are now shipping the highly reviewed EQ=1800 made in a new US facility. Deep Core 1800 is redesigned, beta testing is done and parts are ordered for the first 120 volt production run. 120 volt North American units are slated for June shipment. Sorry for the inconvenience during this transition. We are at 770-667-5633 if you have any questions.