How do I use headphones with my UltraSound Amplifier?
A. With the exception of our entry level AG-30 amplifier, there is not a dedicated “Headphone Out” jack on our amplifiers. There has been some controversy in the industry about headphone out signals in recent years because a lot of players like to use this signal to drive a personal monitor. The headphone out will work well for this with one exception, most times when a plug is inserted into a headphone out jack, it will defeat the internal speaker(s) of the amp. While this is great for silent practicing, if you are using the amp on stage and using a personal monitor, you have a dilemma, no sound from your amplifier. It is very simple to use headphones with your Ultrasound amp for use as a monitor or for silent practicing by using the “Line Out” signal and a dedicated headphone amp such as the Behringer MA400. (The MA400 is available from Musicians Friend for about $20) With this setup you have a lot of flexibility. 1. Since the Line Out and Direct Out signals are “Pre” Master Volume,