20W Amplifier For Bass, (with 18V power supply) Pure Analog Preamp Design with Super Wide Tonal Range from Motown Era Vintage P-Bass Low Mid Thing to Modern Day Super Ultra Low-End Stuff Max. 20W Pure Solid State Output Power sounds and responses like Vacuum Tubes Amp with Rich and Harmonic Tone AUX IN & Phones jack with Cab Simulator for directly plugging into Audio Interface or PA System Built-in Chorus for the Tone Dimensions; FX Loop for Hooking up other Effects 4/8 Ohms Speaker Output