Johnson JA-BLL-20R BlueLine 20R Guitar Amp Johnson BlueLine Combo Amps range from 20-watts to 100-watts, this line represents the best in quality and stage performance for its price range on the market. The features on these amps are outstanding, and set them far above a standard amp. The BlueLine 20R (JA-BLL-20R) is a special smaller model amp that has an 8" AlphaTone speaker producing 20 watts of RMS output power. This amp has overdrive and clean channel controls, spring reverb, a 3-band equalizer, built in footswitch, effects send/return, and high/low input jacks. The 20R also includes a headphone jack and with such a low list price, this amp packs a punch. All BlueLine amplifiers have a two-year warranty and feature the Johnson BlueLine logo. Controls and jacks are top loaded for ease of use and control access. Johnson BlueLines are the best series of affordable amplifiers on the market for musicians looking for power in any price range. Specifications 20 watts RMS 8" Alphatone speaker Clean & overdrive channels Spring reverb 3 band EQ Effects send & return Hi/Lo inputs Headphone jack Footswitch jack