The MXR Echoplex Preamp EP101 faithfully recreates the legendary tone-shaping circuitry of the original Echoplex EP-3—one of the most sought-after preamps in guitar history. Known for adding warmth, clarity, and subtle harmonic enhancement, this pedal delivers the magic that players have relied on for decades.

Whether used as an always-on tone sweetener or as a clean boost, the EP101 enhances your signal with rich harmonic content and improved dynamics—bringing your amp to life without coloring your core tone.

Internally, a switchable EQ curve lets you dial in the response of early or later EP-3 units, giving you control over low-end character and overall feel.

Key Features:

• Faithful recreation of the Echoplex EP-3 preamp circuit

• Adds warmth, clarity, and harmonic richness

• Functions as a clean boost or always-on tone enhancer

• Internal switch for vintage EP-3 EQ voicing

• Up to +11dB of gain boost

• True bypass switching

• Compact MXR housing built for touring use

Controls:

• Volume: Adjusts output level and boost amount

Power Requirements:

• 9V DC power supply (center negative, not battery powered)

Ideal For:
Players looking to enhance their tone, tighten low end, and add vintage-style warmth and presence to any amp or pedalboard

Add the missing piece of classic tone to your rig with the MXR Echoplex Preamp EP101—subtle, powerful, and essential.