Experience a world of musical possibilities with the Roland E-4 Voice Tweaker. This versatile and compact device is packed with a wide range of vocal processing tools that let you create harmonies, pitch effects, vocoding, looping, and glitching effects for any source material you throw at it.

The E-4's tactile interface makes it easy to tweak and manipulate the sound with hands-on controls. You can also integrate it with other electronic instruments, such as the AIRA Compact J-6 CHORD SYNTHESIZER, to expand your sonic palette and perform in perfect sync. Whether you're a singer, beatboxer, or sound designer, the E-4 has something for you. With its diverse selection of sonic shapers, looper controls, Scatter effects, pitch, and formant adjustments, you can create everything from traditional vocal enhancements to futuristic alien soundscapes. The device's Auto Pitch feature also allows you to fine-tune your vocal pitch, from subtle tweaks to hard-tuned pop sounds.

The Roland E-4 Voice Tweaker is the ultimate harmonic explorer, allowing you to set the key and chord voicing on the fly and add head-turning flair to any song. And with its affordable price point, it's a go-anywhere gadget that lets you unlock your creativity and perform with sound.

Effect Type

    AUTO PITCH

    HARMONY

    VOCODER

    PITCH

    FORMANT

    SCATTER

    REVERB

    DELAY

    ECHO

    CHORUS

    LOOPER

Maximum Recording Time

    Approximately 24 seconds

Display

    7 segments, 4 characters (LED)

Connectors

    SYNC (IN, OUT) jacks: Miniature phone type

    MIX (IN, OUT) / HEADSET jacks: Stereo miniature phone type (Stereo, CTIA)

    MIDI (IN, OUT) jacks: Stereo miniature phone type

    MIC IN jack: Stereo phone type

    USB port: USB Type-C® (Audio, MIDI)

Power Supply

    Rechargeable lithium-ion battery

    Obtained via USB port (USB bus power)

Current Draw

    500 mA

Expected battery life under continuous use

    Approx. 3.5 hours

    * These figures will vary depending on the actual conditions of use.

Expected battery charging time

    Approx. 3 hours

    * To charge the unit, use the USB port of a computer or a commercially available USB power supply adaptor (5 V, 500 mA or higher).

Accessories

    Leaflet ”Read Me First”

    USB Type-C to USB Type-A cable

Size and Weight

Width

    188 mm

    7-7/16 inches

Depth

    106.5 mm

    4-1/4 inches

Height

    41.7 mm

    1-11/16 inches

Weight (including batteries)

    290 g

    11 oz