
Roland AC-90 A(M) Acoustic Chorus Guitar Amplifier

The Roland AC-90 Acoustic Chorus Guitar Amplifier offers 90 watts of stereo power, dual-channel functionality, and feedback control, delivering full-range sound and lush stereo effects for enhanced acoustic performance anywhere.


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Product Description
The Roland AC-90 Acoustic Chorus Guitar Amplifier brings a high-powered, portable solution to acoustic musicians. With 90 watts of stereo output (45W+45W) and a dual 2-way speaker system, it produces crystal-clear highs and rich, powerful low-end frequencies. This amp, known for its transparent sound and full-range performance, is perfect for acoustic guitarists and vocalists seeking professional sound quality.
Equipped with advanced anti-feedback control, the Roland AC-90 lets you play at high volumes with minimal risk of unwanted noise, making it ideal for live performances. The amp's stereo multi-band chorus, complete with a “Wide” mode, creates an immersive listening experience, enhanced by additional effects like delay and reverb. With foot-switchable control for effects, you can manage your sound seamlessly during a gig.
Designed for versatility, this dual-channel amplifier includes phantom-powered microphone input, making it suitable as a portable PA system. Sing and play through the same amp, and enjoy the convenience of the sub-output for added bass when needed. Lightweight and easily transportable, the Roland AC-90 stands out as a future classic in acoustic amplification, delivering power, clarity, and unmatched performance for acoustic players on the go.
- Lightweight and Portable – Designed with advanced speaker technology, offering a compact yet powerful solution for acoustic amplification.
- Stereo 2-Way Speaker System – Delivers full-range, natural stereo sound ideal for acoustic instruments.
- 90 Watts of Stereo Power – Provides 45 watts per channel, ensuring rich sound projection for various performance settings.
- Dual Channels – Includes separate guitar input compatible with both Piezo and Magnetic pickups, plus a phantom-powered Mic/Line input for vocals or additional instruments.
- Enhanced Acoustic Tone – Engineered to faithfully reproduce the natural nuances of acoustic instruments.
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Product Specifications
Features | |
Rated Power Output | 45 W + 45 W |
Nominal Input Level (1 kHz) | GUITAR Channel |
MIC/LINE Channel | -50 / -10 dBu |
AUX IN | -10 dBu |
Nominal Output Level (1 kHz) | DI/TUNER OUT |
LINE OUT | #ERROR! |
SUB WOOFER OUT | #ERROR! |
Speakers | Woofer 20cm (8inches) x 2 |
Tweeter | 8cm x 5cm x 2 (3inches x 2inches) x 2 |
Controls (GUITAR Channel) | PICKUP Switch (PIEZO/MAGNETIC), SHAPE Switch, VOLUME Knob, Equalizer Knobs (BASS, MIDDLE, TREBLE), CHORUS Switch |
Controls (MIC/LINE Channel) | PHANTOM Switch, SELECT Switch (MIC/LINE), VOLUME Knob, Equalizer Knobs (BASS, MIDDLE, TREBLE), CHORUS Switch, CHORUS Knob, REVERB/DELAY Knob (ANTI-FEEDBACK), FREQUENCY Knob, START Button, MUTE Switch, MASTER Knob, POWER Switch |
Indicator | CHORUS (GUITAR Channel, MIC/LINE Channel), ANTI-FEEDBACK, MUTE, POWER |
GUITAR Channel Input Jack | 1/4" phone type |
MIC/LINE Input Jacks | XLR type, 1/4" phone type |
AUX IN Jacks | RCA phono type,1/4" phone type |
DI/TUNER OUT Jack | 1/4" TRS phone type |
LINE OUT Jacks | XLR type, 1/4" phone type |
SUB WOOFER OUT Jack | 1/4" phone type |
PHONES Jack | Stereo 1/4" phone type |
FOOT SWITCH Jacks | 1/4" TRS phone type |
Power Supply | AC 117 V, AC 230 V, AC 240 V (50/60 Hz) |
Power Consumption | 30 W |
Accessory | Carrying Case, Owner's Manual |
Width | 18-5/16 inches (464 mm) |
Depth | 11-15/16 inches (303 mm) |
Height | 12-7/8 inches (326 mm) |
Weight | 25 lbs. 13 oz. (11.7 kg) |