JBailes, I have the Spider IV 120. I would say the only complaint I have about the amp is, is the volume control on it. You are either very hard to hear any sound or your just blasting your face off and the volume control knob is barely at the 9 o'clock position (counter clockwise volume control) from the 0 position. I keep the amp in my bedroom and at the 9 o'clock position, I know several of my neighbors can easily hear me...LOL. I can't even imagine why a person would need the volume higher.