JOHSON 50R Stage Series 50 Acoustic The Stage Series Acoustic amps bring out the truest acoustic sound unheard of in this price range. The warm woofer and crisp tweeter combination produce rich low-mids with clean trebles. Our Stage Series Acoustic amps sound great alone or mic'd through a PA system. They feature a notch filter and EQ shape button to eliminate feedback and get the perfect sound. 30 Watts RMS 8" Woofer & 2" Tweeter Notch Filter Lo & Hi Trim EQ Spring Reverb Acoustic EQ Wave Sound Shaper 1/4" Line Out Jack