Open Box Unit
 
Serious fun.
Fun, go-everywhere instruments that put Roland’s legendary creative magic in the palm of your hand.
AIRA Compact puts Roland’s legendary creative magic in the palm of your hand. Jam, perform, and develop ideas anywhere with genre-defining sounds. Chain AIRA Compact instruments together to extend your palette—or connect with MIDI gear, computers, and music apps to expand your existing rig. Fun, affordable, and easy to learn, AIRA Compact brings serious musical power to creators on the move.
Jam instantly.
AIRA Compact invites you to start making music the instant you power up. With friendly controls, inspiring sounds, and loads of creative tools, you can quickly turn simple ideas into off-the-cuff masterpieces.
Uncommon versatility.
However and wherever you make music, AIRA Compact instruments are there for you. Stow one in a pocket or backpack and compose on the go. Mix and match them for busking, club performing, and livestreams. Or use them as high-quality sound generators and input devices for larger-scale performances and computer music production.
Renowned sonic DNA.
Driven by the advanced Analog Circuit Behavior (ACB) technology found in our top-line instruments, AIRA Compact delivers the real-deal sounds behind decades of hit music. Create with the authentic voices of Roland icons, including TR rhythms, TB basses, JUNO synths, VT effects, and more. 
Class-leading connectivity.
AIRA Compact provides ample I/O to interface with everything in your musical world. Synchronize and monitor multiple AIRA Compact instruments from one unit, connect with stereo audio and MIDI devices, and communicate with computers and mobile music apps via USB-C. 
Small and mighty.
AIRA Compact strikes the perfect balance between portability and power. Each model is small enough to slip in a pocket and features a tactile panel to jump-start your creative flow. Onboard lithium-ion batteries provide hours of continuous fun per charge. And with Roland’s famous build quality, your AIRA Compact is ready for years of musical exploration. 
E-4 Voice Tweaker
This outrageously jammable effects box harmonizes, auto-pitches, vocodes, loops, and glitches your voice and anything else you feed it.
| Effect Type
 | AUTO PITCHHARMONY
 VOCODER
 PITCH
 FORMANT
 SCATTER
 REVERB
 LOOPER
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| Maximum Recording Time
 | Approximately 24 seconds
 | 
| Display
 | 7 segments, 4 characters (LED)
 | 
| Connectors
 | SYNC (IN, OUT) jacks: Miniature phone typeMIX (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 batteryObtained 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).
 | 
| Dimensions
 | 188 (W) x 106.5 (D) x 41.7 (H) mm7-7/16 (W) x 4-1/4 (D) x 1-11/16 (H) inches
 
 | 
| Weight (including batteries)
 | 290 g11 oz
 
 | 
| Accessories
 | Leaflet ”Read Me First”USB Type-C to USB Type-A cable
 | 
This product has been unboxed and opened. It is in near-mint condition and show virtually no signs of use. It comes with all the original accessories and packing. This is a final sale but includes the manufacturer’s full warranty.