You need to set the N4 sound card to quadrophonic mode (4 Speakers)
http://www.virtualdj.com/wiki/Pre-listening%20with%20headphones%20with%20Sound%20cards%20without%20ASIO%20drivers.html
http://www.virtualdj.com/wiki/Pre-listening%20with%20headphones%20with%20Sound%20cards%20without%20ASIO%20drivers.html
Posted Fri 24 Jul 15 @ 7:41 pm