1. Introducció
The MXR M222 Talk Box is a unique effects pedal designed to allow musicians to shape the sound of their instrument (guitar, keyboard, etc.) using their mouth, creating vocal-like effects. This self-contained unit includes its own amplifier and speaker driver, eliminating the need for additional external equipment. It offers Volume, Tone, and Gain controls to fine-tune the effect to your preference.

Figura 1: superior view of the MXR M222 Talk Box Effects Pedal, showing the control knobs and voice tube input.
2. Característiques del producte
- Self-Contained Unit: Disposa d'un incorporat amplifier and speaker driver, removing the need for an external ampmés viu.
- Controls versàtils: Equipped with Volume, Tone, and Gain knobs for precise sound shaping.
- Àmplia compatibilitat: Suitable for use with guitars, keyboards, and other instruments.
- Disseny compacte: Durable and compact housing for both practice and live performance settings.
3. Controls i connexions
Familiarize yourself with the various controls and connection points on your MXR M222 Talk Box.
3.1 Controls del panell frontal
- Botó de VOLUM: Controla el nivell de sortida general de l'efecte.
- Mando de TONE: Adjusts the tonal character of the distorted signal, from darker to brighter.
- Mando GAIN: Controls the amount of distortion applied to the signal.
- VOICE TUBE Input: Connects the included voice tube.
- INTERRUPTOR DE PEUT: Toggles the effect on/bypass. A blue LED indicates when the effect is active.

Figura 2: Frontal view of the MXR M222 Talk Box, highlighting the footswitch.
3.2 Connexions del panell posterior
- Jack d'ENTRADA: Connect your instrument (guitar, keyboard) here.
- Entrada d'alimentació de 18 V CC: Connect the 18V 1000mA Dunlop ECB009 power supply here.
- Presa de SORTIDA: Connect this to your amplifier o interfície d'àudio.

Figura 3: posterior view of the MXR M222 Talk Box, showing the input, power, and output connections.
4. Configuració
Follow these steps to set up your MXR M222 Talk Box:
- Connexió d'alimentació: Connect the 18V 1000mA Dunlop ECB009 power supply to the 18V DC input jack on the rear of the pedal.
- Connexió de l'instrument: Run a cable from your instrument (guitar, keyboard, etc.) to the Talk Box's INPUT jack.
- AmpConnexió del lifier: Run another cable from the Talk Box's OUTPUT jack to your amplifier o interfície d'àudio.
- Voice Tube Placement: Attach one end of the clear voice tube to the VOICE TUBE Input on the pedal. Secure the other end of the tube to your microphone stand using the included clip, ensuring the end of the tube is close to your mouth for optimal vocal shaping.

Figure 4: The MXR M222 Talk Box with the voice tube attached and ready for use.
5. Instruccions de funcionament
Once set up, you can begin using your Talk Box to create expressive vocal effects:
- Configuració inicial: Start with the VOLUME and TONE knobs fully counter-clockwise and the GAIN knob at 12 o'clock.
- Engage Effect: Turn the effect on by depressing the footswitch. The blue LED will illuminate.
- Ajustar el volum: Slowly rotate the VOLUME knob clockwise until the desired volume is achieved.
- Ajusta el to: Rotate the TONE knob clockwise for a brighter sound and counter-clockwise for a darker sound.
- Ajust de guany: Rotate the GAIN knob clockwise to increase the amount of distortion and counter-clockwise to decrease it.
- Shaping Sound: After setting up your microphone and tube, place the open end of the tube in the corner of your mouth between your back teeth. Without making any sound with your voice, practice mouthing vowel sounds (A, E, I, O, U) while simultaneously playing your instrument. Exaggerate the shape of your mouth for best results.
- Advanced Vocalization: To create more complex sounds, practice mouthing words with consonants such as B, D, G, J, K, P, Q, or T. It takes practice to distinguish them from V, G, B, and D. Exaggerating with consonants is just as important with vowels.
- Ajust de fase: Try placing a Phase 90 or other effect in front of the MXR Talk Box for interesting results.
Vídeo 1: Un overview of the MXR M222 Talk Box Pedal, demonstrating its features and basic operation. This video is provided by a seller and is 1 minute and 2 seconds in length.
6. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Talk Box.
- Neteja: Wipe the pedal's exterior with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Voice Tube Care: The voice tube should be cleaned regularly for hygiene. It can be washed with mild soap and water. Ensure it is completely dry before re-attaching.
- Emmagatzematge: Guardeu el pedal en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes quan no l'utilitzeu.
7. Solució De Problemes
If you encounter issues with your MXR M222 Talk Box, refer to the following common problems and solutions:
- No Sound/Weak Effect:
- Assegureu-vos que la font d'alimentació estigui connectada correctament i que funcioni.
- Check all instrument and amplifier cables for secure connections.
- Verify the footswitch LED is illuminated, indicating the effect is active.
- Adjust the VOLUME, TONE, and GAIN knobs to appropriate levels.
- Confirm the voice tube is properly inserted into the pedal and positioned correctly in your mouth.
- Soroll/bruix no desitjat:
- Ensure you are using the correct 18V 1000mA power supply.
- Comproveu si hi ha cables o connexions defectuoses.
- Try moving the pedal away from other electronic devices that might cause interference.
- Pedal Not Sitting Flat:
- Some units may exhibit slight unevenness on the bottom surface. The included rubber feet can be applied to the corners to provide stability on flat surfaces. For pedalboard mounting, consider using a mounting solution that accommodates slight variations in the pedal's base.
8. Especificacions
| Especificació | Valor |
|---|---|
| Pes de l'article | 2.77 quilograms (6.1 lliures) |
| Dimensions del paquet | 10.35 x 9.57 x 5 polzades |
| Número de model de l'article | M222-TBB-3 |
| Interfície del maquinari | Àudio d'1/4 de polzada |
| Format del senyal | Analògic |
| Font d'alimentació | Elèctric amb cable |
| Voltage | 18 Volts |
| Color | Plata |
| Primer disponible | 19 de juliol de 2023 |
9. Informació de seguretat
Si us plau, observeu les següents pautes de seguretat:
- Use only the specified 18V 1000mA power supply to prevent damage to the unit and voiding the warranty.
- Do not expose the pedal to water or excessive moisture.
- Avoid operating the pedal in extremely high or low temperatures.
- No intenteu obrir ni fer el manteniment de la unitat vosaltres mateixos. Encarregueu totes les tasques de manteniment a personal qualificat.
- Keep the voice tube clean and replace it if it becomes damaged or discolored.
10. Garantia i Suport
For warranty information, technical support, or service inquiries, please contact the manufacturer or your authorized dealer. Keep your purchase receipt as proof of purchase for warranty claims.

