Description
Keeley’s Phat Mod treatment turns the Boss BD-2 into something closer to a tone shaping tool than a standard overdrive stomp box. Rather than stamping its own character over your guitar’s voice, it preserves the lows, keeps the highs glassy and defined, and lets picking dynamics come through with real detail — perfect for players chasing an amp-pushed sound without losing their base tone.
Don’t mistake this for a TS9-style circuit. The BD-2 platform is inherently more full-range and transparent, and pushed hard it turns grittier and more edge-forward rather than compressed. That wider low-end response also makes it a genuinely great choice ahead of a bass rig, where a mid-hungry Tube Screamer-type drive would choke out your fundamental.
Keeley’s parts upgrades add warmth and depth: film capacitors in the tone stage smooth out the midrange and top end while opening up bass response. The clipping section has also been modified for slight asymmetry, producing 2nd-order harmonic distortion — a musical, almost octave-like texture that emerges as you push saturation higher.
If your unit includes the Phat switch, flipping it up adds noticeable low-end weight on open E and A — strum through both switch positions to hear the difference. In high-volume settings, you may prefer it off to keep the bottom end from overwhelming the mix.
- Full-range, transparent overdrive character distinct from TS9-style pedals
- Film capacitors for smoother mids/highs and boosted bass response
- Asymmetrical clipping mod for musical 2nd-order harmonic saturation
- Phat switch option for added low-end on open E/A strings
- Includes 2x 6″ patch cables
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