This is a solid-state guitar amplifier head produced by Fender. The Bullet series was introduced as an affordable option for guitarists, offering a range of tones with built-in effects. The "150" indicates it has a power output of 150 watts, which is suitable for small to medium-sized gigs or practice sessions. It features controls for volume, gain, treble, mid, bass, and effects, along with inputs for a guitar, CD/tape, and headphones.