Looking for big amp tone in a compact form This used Quilter Labs InterBlock 45 is a 45-watt guitar head and effects pedal combo in great condition, offering versatile tone shaping for stage, studio, or headphone practice. With a powerful Class D amplifier, it delivers clean and overdriven tones through its 3-band EQ, gain, and master volume controls. The InterBlock 45 features a built-in cabinet simulator, effects loop, XLR DI out, and headphone output, making it ultra-flexible for any rig. Whether used as a backup amp, pedalboard centerpiece, or silent practice tool, it offers professional-grade tone in a rugged, compact enclosure. Ideal for guitarists who need power and portability without sacrificing sound quality.