Tone library / Red Hot Chili Peppers / Under the Bridge

Under the Bridge amp settings — Joyo DC-15

The Red Hot Chili Peppers guitar tone for “Under the Bridge”, dialed in for a Joyo DC-15 with a Fender American Professional II Stratocaster. Studio version, Blood Sugar Sex Magik (1991) intro & verse

Original rig

1966 Fender Jaguar / 1962 Fender Stratocaster into Marshall Major 200W / Silver Jubilee 2555 with MXR Dyna Comp

Snappy, percussive, glassy vintage clean with high presence and subtle compression
Amp settings — Joyo DC-15
CHANNELJC Clean model
GAIN 3 BASS 5 MID 6 TREBLE 7 REVERB 2 MASTER 6
KnobSetting (0–10)
Gain3
Bass5
Mid6
Treble7
Reverb2
Master6
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Guitar
PICKUPneck+middle TONE10 VOLUME10
Why these settings

The Joyo DC-15 is a digital modeling practice amp with Bass and Treble controls (no dedicated Middle or Presence knobs). Use the JC Clean amp model to replicate the massive clean headroom of Frusciante's Marshall Major while keeping Gain low to avoid digital breakup. Set Treble to 7 for the iconic Strat 'in-between' quack and chime, backed by subtle onboard Hall reverb. Clean outro: dig into the strings harder rather than switching channels.

PRO TIPFrusciante uses thumb-over-the-neck Hendrix-style chord grips, aggressively muting unplayed strings with the fretting hand while striking full-sweep strums to get that percussive snap.

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These settings are for a Joyo DC-15. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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