MXR MRT01 Mr. Talkbox Signature Talk Box

A modern talk box, continuing the legacy of a cult effect

The talk box is one of those "signature" effects that instantly mark a production: it transforms your guitar or keyboard into vocal material, as if the instrument were pronouncing syllables. With Byron "Mr. TalkBox" Chambers (a Grammy Award-recognized artist), MXR clearly aims for a talk box that is more precise, more controllable, and more musical, tailored for gospel, funk, R'n'B, and pop tracks where intonation, nuance, and phrasing make all the difference. The result stays true to the legendary talk box sound tradition while seeking a smoother, more "singing" feel at the end of the tube.

Who is the MXR "Mr. TalkBox" for, and in what contexts does it make a difference?

This pedal is intended for guitarists and keyboardists who want to break out of classic effect boundaries and add a strong identity to their hooks, intros, leads, and bass lines. It suits intermediate players (with some practice to master mouth movements and mic placement) as well as advanced musicians looking for a stage expression tool. On a live pedalboard, it becomes a true "moment" of the show; in the studio, it's a production weapon to double a melody, create vocal call-and-response, or add a human grain to a synth.
It particularly shines in funk, R'n'B, modern gospel, pop, rock, and electro, but can also fit into ambient or experimental worlds when working on dynamics and spatialization. If you enjoy sculpting your parts like a voice (attack, vowels, consonants, vibrato), you will quickly understand why this effect is so addictive.

Controls, playing logic, and integration into your setup

The principle of a talk box is unique: the pedal sends your instrument's sound through a tube, and your mouth "filters" the signal by forming vowels. The microphone (not included) then captures the acoustic sound at your mouth's output, as if you were singing. In practice, mic placement and level adjustment are as important as the guitar or keyboard part.
The MXR "Mr. TalkBox" adopts a simple and effective approach to get straight to the sound: you adjust the output level, overall tone, and amount of drive to switch from a very clean and intelligible talk box to a grittier, more "speaky" grain that cuts better through a mix. Thanks to true bypass, you can integrate it worry-free into an already dense pedalboard and activate it only when you need that sonic signature.

Sound Character

The character of this talk box is clearly oriented towards expressiveness: the attack remains sharp, the feel is dynamic, and the slightest variation in playing (palm mute, accent, legato, bends) immediately translates into the "pronunciation." Depending on your settings and instrument, you can achieve a very intelligible output (ideal for talk box phrases that "speak") or a more saturated effect for a more aggressive and spectacular sound. By collaborating with Byron "Mr. TalkBox" Chambers, MXR aims for a recognizable vocal timbre, capable of shifting from gospel softness to sharp funk presence, with a response fine enough to nuance like a singer.

Technical specifications

Effects	Talk Box, Effects	Type	sector
Technology	Analog	Use	electric guitar
Format	Pedal	Color	Gold
Inputs	1 x jack	Power supply included	Yes
Outputs	1 x jack	Power supply	18V Adapter
True bypass	Yes

Adapter	18 V	Consumption	1000 mA
Required voltage	18 V