ammoon PG-3 3W Electric Guitar Amplifiers - Black 3W power amplifier. Excellent performance & elegant design. Adopts high-sensitivity dedicated guitar speaker. Sound is clear and clean, with excellent sound effects. Equiped with the volume & the tone controlling functions. With an input port and a headphone port. Compact, reliable and durable. With a metal clip, it is convenient to hang. Perfect for the guitar learners to practice.