Johnson JA-050D Stage Series Digital Delay Guitar Amp The Stage Series amps are available in 20, 30, and 60 watt models. Each amp features two independent channels with a 3-band EQ and presence control to dial in that perfect tone. Choose from a rich, analog spring reverb or a digital delay. Features: 30 Watts RMS 10" Speaker Headphone Jack Independent Clean & Overdrive Channels 3-Band EQ Presence Control Digital Delay