Creates great tones in a compact size - All knobs go up to 11 to give you that extra bump when you need it. Great amp for practicing and testing. Preamp has an overdrive switch and master volume knob to switch between clean and overdriven sounds. 2-Band EQ is simple and allows player to adjust to their own style. 1/4-inch headphone jack. Speaker: 5-inch, 8 ohms - Amp measures 9.2-inches wide x 10.2-inches tall x 6-inches deep. Plugs into 120V ~ 60Hz. Fuse: F500mAL 250V. Power cord measures 55 inches long. Includes 105" long 1/4" audio cable.