The Ibanez ToneBlaster TB15R Tone Blaster TB-15R AMP is a 15-watt combo amplifier designed for guitarists. With a single speaker, this amplifier provides a powerful and versatile sound for various music styles. The Ibanez brand is known for producing high-quality musical instruments, making this amp a reliable choice for guitar players looking for a dependable amplifier for their performances and practice sessions. The Tone Blaster model offers excellent tone and volume control, making it a great option for musicians in need of a compact and efficient amplifier. A couple knobs are split see pictures doesn’t effect function…. works great