
Roland AC-33-RW(M) Acoustic Chorus Guitar Amplifier

The Roland AC-33-RW(M) is a battery-powered acoustic amp with rich stereo sound, Phrase Looper, dual channels, multi-effects, and a sleek rosewood finish, designed for portable acoustic performances.


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Product Description
The Roland AC-33-RW(M) Acoustic Chorus Guitar Amplifier is an innovative battery-powered amp designed for musicians on the go. Its true stereo output (15 watts per channel) delivers rich, deep sound that far exceeds expectations for such a compact amplifier. Whether you’re performing in a small venue, practicing at home, or jamming outdoors, the AC-33-RW(M) ensures your acoustic tones are heard with incredible clarity and warmth.
Featuring two discrete channels, the amp accommodates both acoustic guitars and microphones/line-level instruments. The Guitar channel offers dedicated controls for volume, EQ, and chorus, while the Mic/Line channel provides XLR and 1/4" inputs, as well as customizable multi-band EQ and chorus effects. You can also connect an MP3/CD player via the stereo AUX input for play-along practice or performance.
A standout feature of the AC-33-RW(M) is the Phrase Looper, which allows you to record and loop up to 40 seconds of sound, adding an exciting dimension to your live performances. With a beautiful rosewood finish, this amp combines high-performance features with a stylish aesthetic, making it perfect for musicians who demand both quality sound and portability.
- Powerful Stereo Sound: Delivers 30 watts (15W + 15W) of natural, stereo acoustic sound through twin speakers, providing a clear, dynamic performance.
- Flexible Power Options: Operates on AC power or eight AA batteries (supports rechargeable NiMH types), offering convenience for both home and outdoor performances.
- Dual-Channel Configuration: Includes separate channels for Guitar and Mic/Line inputs, ideal for solo performances or small ensembles.
- Built-In Effects: Features Reverb, Chorus, and Ambience effects to enrich your sound, with Ambience adding a 3D depth and spatial dimension.
- Phrase Looper: Offers 40 seconds of recording time, allowing you to loop and layer your performance for enhanced creativity.
- Convenient Inputs and Outputs: Equipped with a stereo AUX input for connecting external devices like MP3/CD players and a headphone output for private practice or recording.
- Portable and Practical: Includes an anti-feedback function, built-in tilt-back stand for optimal sound projection, and a removable battery cartridge for easy replacement.
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Product Specifications
Features | |
Rated Power Output | 15 W + 15 W (when using the AC adaptor), 10 W + 10 W (when using the Alkaline batteries) |
Nominal Input Level (1 kHz) | GUITAR Channel: -10 dBu, MIC/LINE Channel: -50 dBu/-20 dBu, AUX IN: -10 dBu |
Nominal Output Level (1 kHz) | LINE OUT: -10 dBu |
Speakers | 12 cm (5 inches) x 2 |
Controls | [GUITAR Channel], VOLUME Knob, BASS Knob, MIDDLE Knob, TREBLE Knob, CHORUS Switch (OFF, SPACE, WIDE), [MIC/LINE Channel], VOLUME Knob, BASS Knob, TREBLE Knob, CHORUS Switch (OFF, SPACE, WIDE), [REVERB/AMBIENCE], REVERB/AMBIENCE Knob, [ANTI-FEEDBACK], ON/O |
Indicators | REC, LAY, OVERDUB, POWER |
Connectors | GUITAR Channel Input Jack (1/4-inch phone type), MIC/LINE Channel Input Jacks, (XLR type, Balanced), (1/4-inch TRS phone type, Balanced), AUX IN Jacks, L, R (RCA phono type), (Stereo miniature phone type), LINE OUT Jacks L (MONO), R (1/4-inch phone type), |
Power Supply | AC Adaptor (included, DC 13 V),, Dry battery LR6 (AA) type (alkaline) x 8,, Rechargeable Ni-MH battery (AA, HR6) type x 8(commercially available), or, Rechargeable Amp Power Pack BTY-NIMH/A(Options (sold separately)) |
Current Draw | 490 mA |
Expected battery life under continuous use | Alkaline battery: Approx. 8 hours, Rechargeable Ni-MH battery (AA, HR6)(commercially available): Approx. 9 hours, Rechargeable Amp Power Pack BTY-NIMH/A(Options (sold separately)):Approx. 16 hours |
Accessories | Owner’s Manual, AC Adaptor, AC Cord |
Options (Sold separately) | Footswitch: BOSS FS-5U, BOSS FS-6, Rechargeable Amp Power Pack BTY-NIMH/A |
Width | 318 mm, 12-9/16 inches |
Depth | 223 mm, 8-13/16 inches |
Height | 243 mm 9-5/8 inches |
Weight | 4.7 kg 10 lbs. 6 oz. |