Vertex Effects - Ultraphonix MKII Overdrive Guitar Effects Pedal All-Analog True Bypass 9VDC D-Style Tone

The Ultraphonix Special Overdrive MKII is a premium “amp-in-a-box” guitar effects pedal engineered for players seeking the legendary touch sensitivity, blooming mids, and harmonically rich overdrive associated with ultra-rare American boutique amplifiers, delivering an expressive, full-bodied tone that responds dynamically to your playing style. Meticulously developed over four years and voiced against multiple original reference amplifiers from the 1970s through the 1990s, this pedal authentically captures the elusive D-style character with cascading gain stages, articulate attack, and smooth, singing sustain ideal for everything from blues and jazz to fusion and classic rock. Designed with 100% analog circuitry, the Ultraphonix MKII preserves your instrument’s natural feel while enhancing note clarity, bloom, and harmonic complexity, allowing every nuance of your playing to shine through. True bypass mechanical switching ensures your signal remains pure when the pedal is disengaged, while standard 9VDC center-negative power compatibility makes it easy to integrate into any pedalboard setup. Whether you’re chasing the refined tones of iconic players or looking to elevate your rig with boutique-inspired overdrive without the six-figure price tag, the Ultraphonix Special Overdrive MKII delivers professional-grade performance, studio-quality tone, and inspiring responsiveness for serious guitarists and tone enthusiasts alike.

• Authentic D-Style Amp Tone Recreation: Capture the sought-after character of rare American boutique amplifiers with expansive midrange, smooth sustain, and cascading gain stages, delivering expressive overdrive tones suited for blues, jazz, fusion, and rock players.
• Voiced Using Original Reference Amplifiers: Developed over four years and compared against multiple original amplifiers from the 1970s–1990s, ensuring accurate tonal response and feel inspired by highly customized, player-specific amp designs.
• Rich Harmonics with Dynamic Note Bloom: Experience enhanced harmonic overtones and natural note bloom that respond to your playing dynamics, giving your guitar tone added depth, clarity, and musical expression across a wide range of styles.
• Pure Analog Signal Path Performance: Built with 100% analog circuitry to preserve your guitar’s natural tone and responsiveness, delivering consistent sound quality without digital processing or unwanted coloration.
• Pedalboard-Friendly with True Bypass Design: Features mechanical true bypass switching for a clean signal when disengaged and operates on standard 9VDC center-negative power, making it easy to integrate into most pedalboard setups.