Angry Audio Headphone Gizmo - IFB Headphone Amplifier (with Volume Control)Radio jocks love loud headphones. Maybe they expect to hear everything with the phones around their necks. Maybe they want to watch the cans jumping to the beat. No matter the reasons, the Headphone Gizmo will give them all the volume they crave. And if your talent prefers to hear all the detail and nuance in their headphones, the precision analog circuitry in the Headphone Gizmo is as transparent as it is loud. Headphone Gizmos mount to the underside