Jim Dunlop MX100G1 MXR Rockman X100 Preamp Pedal

Analog Preamp Guitar Pedal with 4 Preset Modes, Volume and Input Gain Adjustment, and Bucket Brigade Chorus Chip

Experience the iconic '80s arena rock tone with the MXR Rockman X100 Pedal from Sadek Music. Inspired by Tom Scholz’s original Rockman X100 headphone amplifier, this compact stompbox brings the legendary “Boston Tone” into a modern, pedalboard-ready format. The Rockman X100 features four preset modes — two clean and two dirty — enhanced by a sophisticated compression circuit that faithfully recreates the shimmering cleans and saturated distortions of the original amp. Volume and Input Gain sliders allow precise control over your signal, letting you tailor your dynamics and interaction with both the preamp and your amplifier. Equipped with the same MN3007 bucket brigade chip as the classic model, the Rockman X100 delivers lush, expansive chorus and the signature ‘80s guitar sound with just the push of a button. Whether you’re chasing vintage arena tones or modern clarity, the MXR Rockman X100 offers timeless sonic inspiration for stage and studio.

A faithful re-creation of the original compression circuit

In honoring the tradition of the original, MXR’s Rockman X100 is built around a complex compression circuit tasked with keeping the signal clear, whether the mode is clean or dirty. Directly tied to the Input Gain, the circuit is tuned for a slow release when a clean mode is activated and a fast release on dirty modes. The result is a concentrated force of sound that cuts through both live and studio mixes.

From crystalline cleans to devilish distortion

Four meticulously crafted preset modes form the foundation of the Rockman X100. Of the two clean modes, CLN2 provides players with a crystal-clear tone ideal for arpeggiated chords, while CLN1 serves a mid-focused EQ curve for a tighter, more punchy sound. When switched to Edge mode, players can expect a crunchier tone that cleans up nicely at lower guitar volumes and is highly sensitive to Gain adjustments due to the moderate clipping from the compressor. When Distortion mode is activated, prepare yourself for high-energy overdrive and sustain capable of fueling commanding power chords and soaring leads.

Still looking for more? 

The MXR Rockman X100 from Sadek Music is loaded with advanced features for maximum versatility. You can connect an off-board switch, such as the MXR TRS Split + Tap, to control the Mode selector with your foot or route the signal to L/R channels for a true stereo setup. This allows you to adjust chorus levels independently on each side, creating a rich, dynamic, and immersive stereo sound that expands your tonal possibilities. With these features, the Rockman X100 isn’t just a pedal — it’s a complete sonic toolkit for stage, studio, and creative exploration.

MXR Rockman X100 Features:

• Pedal-sized revival of Tom Scholz’s 1982 Rockman X100, the secret studio weapon that defined the textured guitar tone of '80s arena rock
• 2 clean and 2 dirty tone presets, identical to the original headphone amp
• Dedicated volume and input gain sliders provide hands-on tonal control
• A complex compression circuit provides dynamic and intuitive release
• Lush, expansive chorus modulation courtesy of an original bucket brigade chip
• Multiple advanced features, including off-board switching and stereo mode

Tech Specs

• Type:Guitar Preamp
• Analog/Digital:Analog
• Controls:Input Gain, Volume, Chorus, Mode (Clean1, Clean2, Edge, Distortion)
• Inputs:1 x 1/4"
• Outputs:1 x 1/4" TRS (Mono/Stereo)
• Other I/O:1 x 1/4" TRS (CTRL)
• Bypass Switching:Buffered Byass
• Power Source:9V DC power supply (included)