Detail 01
24-second looper
Capture and overdub short vocal layers during a performance.
Product detailSKU #1500000375779
RolandAIRA Compact E-4 Voice Tweaker
1/8
Independent shopping perspective
The Korena take
Roland’s AIRA Compact E-4 is a hands-on voice processor for reshaping vocals and other incoming audio during a performance or recording session. Harmony, Auto Pitch, vocoder, pitch and formant controls, a 24-second looper, and Scatter effects let you move from vocal correction to layered and chopped textures from its front panel. It can sync with other AIRA Compact units, connect to DAWs and mobile music apps over USB-C, and run from its rechargeable battery for about 3.5 hours of continuous use.
Strong match
Who this is for
- Building layered vocal parts with the 24-second looper and processing them with onboard effects.
- Livestreams or podcasts using a gaming headset or earbuds with an inline microphone.
- Connecting vocal processing with DAWs, mobile music apps, and MIDI-equipped hardware instruments.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
USB Type-C audio and MIDI
Connect the E-4 to computer DAWs, mobile music apps, and compatible hardware workflows.
Detail 03
Approx. 3.5-hour continuous battery life
Supports portable use between USB-powered recharges; actual duration varies with conditions.
Detail 04
11 oz. including batteries
Keeps the processor compact for carrying between setups.
Final check
Know before you order
- 01For continuous portable use, the rechargeable battery is rated at approximately 3.5 hours and charging takes approximately 3 hours.
- 02The mic input, MIDI input/output, and headset jacks use stereo miniature or stereo phone connections as specified.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can the E-4 create vocal harmonies?
Yes. It provides automatic harmony effects, with key and chord voicing adjustable on the fly.
02How long can it loop?
The onboard looper has an approximate maximum recording time of 24 seconds.
03Can it work with a computer or mobile music app?
Yes. Its USB-C port supports audio and MIDI for DAWs and mobile music apps.
04Can I use a headset microphone?
Yes. It can be used with a gaming headset or the inline microphone on earbuds.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51500000375779
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