Behind the Scenes – Mostard – Part 2: The Sound

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Behind The Sound Mostard

Snap, sting, and sparkle

Mostard wasn’t designed to be subtle. It’s a clean boost, sure—but not a neutral one. This pedal brings presence, bite, and that unmistakable bright snap that wakes up any rig.

Whether you’re chasing chiming cleans or biting leads, it adds just the right kind of energy. With up to 30 dB of clean gain, it delivers definition and focus—without ever crossing into distortion.

Voiced to cut—not honk

From the start, we voiced Mostard to bring out clarity and attack, especially in the upper mids where presence lives. At the same time, we carefully avoided the typical pitfalls: boxiness and honk.

Rather than bloating the lows or pushing nasal mids, it tightens the bottom end, smooths the mids, and adds sparkle on top. Instead of simply making things louder, it helps your sound step confidently forward.

Push it to the edge

As you turn up the gain, Mostard does more than raise volume. Your tone becomes snappier, more alert—like it’s wide awake. Chords cut. Notes jump off the fretboard. It’s that glistening response you’d expect from a great top-boosted amp.

And when pushed hard, Mostard easily drives your amp to the edge of breakup. The best part? It never loses definition. Even at full tilt, it stays clean, clear, and responsive.

Built for your gear

What makes Mostard so addictive is how naturally it works with different setups.

Used with a clean amp, it adds shape and immediacy. With edge-of-breakup tones, it sharpens dynamics and tightens response. Into overdrive or fuzz, it adds articulation—like seasoning on top of saturation.

It works equally well with humbuckers or single-coils. Muddy neck pickups clear up. Scooped tones regain presence. Whatever your setup, Mostard adapts—and elevates.

A clean boost with character

This pedal wasn’t built to stay out of the way. It was made to energize, to lift, and to spice things up.

Yes, it’s clean. But never sterile.
Yes, it’s bright. But never harsh.

Just like Texas hot sauce—it might make your eyes water, but it makes everything come alive.


Stay tuned for more RhPf Electronics Behind the Scenes!

Want to read more like the Behind The Sound Mostard? go to our Behind the Scenes series on our subreddit.