The BOSS ME-33 Multiple Multi Effects Processor Guitar Effect is a high-quality analog multi-effects processor designed by Boss, a well-known brand in the music industry. Made in Japan, this model boasts a wide range of built-in effects and capabilities to enhance the sound of guitarists and bassists. With its compact design and reliable performance, the BOSS ME-33 is a versatile tool for musicians looking to experiment with various tones and styles on stage or in the studio. Works great, sounds good, clear screen all the pots and buttons feel good. Battery cover is missing. Does not come with power cord but powers up fine with a 9 volt pedal board adapter or batteries.