: Most acoustic amps offer at least two independent channels. This is critical for solo performers who need to plug in both an acoustic-electric guitar (1/4" input) and a vocal microphone (XLR input) simultaneously.
: Because hollow-body acoustic guitars are prone to feedback, look for amps with a phase switch or a notch filter . These help isolate and eliminate problem frequencies without ruining your tone. acoustic guitar amplifiers buying guide
When shopping at retailers like Sweetwater or Guitar Center , keep these essential features in mind: : Most acoustic amps offer at least two independent channels