The BOSS GT-3 Guitar Effects Processor is a floor-based effects unit that combines portability with high-quality sound. It boasts 32 onboard effects, allowing for extensive customization of sonic landscapes. What sets this processor apart is its COSM technology, which emulates vintage and modern guitar amps, and speaker cabinet models, delivering professional-quality tones. It also features innovative functionalities such as the Auto Riff, which triggers complete riffs from played notes and the Pickup Simulator for voice conversion. Constructed with a sturdy all-metal chassis, the GT-3 is designed to withstand the rigors of regular use, making it suitable for both live performances and studio sessions. Despite being discontinued, it has left a mark for its versatility and sound quality, proving to be a reliable companion for guitarists.