I would assume it had a purpose similar to an EtherKiller [0]. Most experienced Shop techs have at least a couple of similar tools to assist with recalcitrant RMA departments.
Unless it's a Creative labs product. You'll never RMA one of those. Ever.
Unless it's a Creative labs product. You'll never RMA one of those. Ever.
It would be better to slowly raise the voltage until it blows, leading to minimal pyrotechnics on the components (smoke/burning)