Roland E-4 Compact Voice Tweaker
The Roland E-4 Voice Tweaker is a compact, portable vocal processor offering auto-pitch, harmonies, reverb, and looper features—perfect for performers, creators, and experimental artists.
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The Roland E-4 is a compact yet powerful voice tweaker designed for musicians and content creators seeking unique vocal manipulation on the go. This device packs creative features into a portable design.
With functions like auto-pitch, harmonizing, vocoder, reverb, and looping, it allows real-time vocal transformations during live performance or studio recording. It integrates seamlessly with other Roland AIRA Compact devices and connects via USB-C for audio, MIDI, and power.
Whether you're streaming, performing, or recording, the Roland E-4 enhances your vocal creativity with intuitive controls and studio-quality effects in a travel-sized unit.
- Vocal performance tool with powerful voice transformer effects.
- Instantly shape the sound with pitch and formant sliders.
- Advanced vocal effects including Auto Pitch, harmony, and vocoder.
- Dial up unique rhythmic effects with the Scatter knob.
- Process the sound output with high-quality reverb, echo, tempo delay, and chorus effects.
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Product Specifications
| Features | |
| 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 |
| Expected battery charging time | Approx. 3 hours |
| Accessories | Leaflet ”Read Me First”; USB Type-C to USB Type-A cable |
| 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 |
