As an amplifier for bass players, the Ampeg B-15N Portaflex does well to live up to its expectations. Consisting of an amp module mounted on a board on the speaker cabinet, this combo guitar amplifier is quite compact. Driven by dual tubes, this Ampeg guitar amplifier gives an output of clear warm tones. This combo guitar amplifier can belt out a maximum power output of 30 watts through its incorporated sole 15-inch speaker. The 2 channels of the Ampeg B-15N Portaflex features treble, bass, and volume controls for maximum tonal control. The line-out jack of this Ampeg guitar amp enables the attachment of an additional amplifier for more power.