Lots of options , could be as simple as running yor head phone out let to your amp and into the audio in socket ( if you have one , not familiar with this amp ) or a simple Y piece connector that has 2 in one out . Probably wont cost much.
Lots of options , could be as simple as running yor head phone out let to your amp and into the audio in socket ( if you have one , not familiar with this amp ) or a simple Y piece connector that has 2 in one out . Probably wont cost much.