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Guitar Audio Interface + Software Combo

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RIFF ${tabVariant}


A best-in-class audio interface that transforms your computer or mobile device into a fully loaded dream guitar rig. Take full advantage of our award-winning BIAS FX 2 amp & effects software with RIFF – everything you need for playing, recording, and practicing guitar.

  • “If Positive Grid were setting out to create the ultimate audio interface for guitar players, then they most definitely have succeeded."

  • “As a recording tool, RIFF is a no-nonsense, easy-to-use interface that should be a welcome addition to any guitarist’s DAW setup.”

Stunning Tone. Power Couple.

RIFF is an audio interface for guitars that is deeply integrated into our award-winning amp and effects software – BIAS FX 2. When paired together, transform your computer or mobile device into a fully customizable guitar and bass rig with access to 50,000+ tones and a dream collection of amps, pedals and effects.

Learn Millions of Songs with Auto Chords

Choose any song and BIAS FX 2 will display its chords automatically as you play – in real time. Easy controls let you slow down the song’s tempo or loop a section as you practice.

Intuitive Control.

Dial in your perfect tone with RIFF’s oversized control knob and vivid display screen. Assign your favorite BIAS FX 2 features to RIFF for on-the-fly adjustments to get total control over your workflow.

Display Screen

With RIFF’s large backlit display, you’ll always know where you stand.

Custom Knob

Easily assign and control functions on RIFF's oversized, tactile knob to dial in the settings you want.

Road Ready.

RIFF is built to travel with you, anywhere you go. Housed in a rugged metal body made of anodized aluminum, RIFF is at home in your studio, gig bag or backpack.

Home Recording.

Just plug in and play. Connect RIFF as your everyday USB audio interface to record using your favorite DAW on iOS, Mac OS, or Windows. Best of all, your RIFF also comes with a free copy of PreSonus Studio One recording software.