The brown AS50D from Marshall Amplification is a 2-channel acoustic guitar combo amplifier that is well suited for small and mid-sized venues, and can function as a full PA for solo performers. This 50W amplifier features two specially designed 8" Celestion drivers, and a polymer dome tweeter to deliver full range sound that is clear and powerful. Channel one provides a Hi-Z 1/4" instrument input, while channel two provides a 1/4" instrument input, an XLR microphone input, and stereo RCA auxiliary inputs, for instrument, vocal, or backing track amplification. Both channels offer dedicated volume, treble, and bass controls.