New Pg-3 3W Portable Musical Instrument Small Speaker Guitar Bass Practice [Portable] This other speaker, compact speaker, easy to carry, can be battery operated and can be connected to various electro-acoustic instruments. [Good performance] Excellent performance and elegant design, suitable for guitar students to practice. [Pure sound] Using dedicated high-sensitivity guitar speakers, the sound is clear and pure, and has excellent sound effects. [Control function] With volume and tone control function, with input port and headphone port. [Good material] This other speaker is made of high quality materials, is durable and has a long life.