Roland AC90 - Acoustic Chorus Guitar Amplifi

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The Acoustic Singer ACS Live takes the acoustic stage amp to new levels of sound quality and creative versatility. Incorporating BOSSrs latest advancements in amplifier research this compact powerhouse produces rich vibrant sound with unmatched punch and clarity. Independent channels are provided for acoustic guitar and vocal and each is equipped with discrete analog input circuits and three-band EQ for studio-quality sound. And with additional features such as Acoustic Resonance looping automatic vocal harmonies effects and much more the ACS Live gives acoustic musicians everything they need to deliver inspiring and impactful live performances.

  • Professional acoustic amplifier with premium sound and features
  • 60ndash;watt bi-amp design with custom-designed 6.5-inch woofer and dome tweeter
  • Dual channels with discrete analog input electronics and three-band EQ
  • Dedicated guitar channel with Acoustic Resonance to restore natural tone to stage guitars with piezo pickups
  • Mic channel with phantom power and frac14;-inch/XLR combo input for connecting a vocal/guitar microphone or second instrument source
  • Chorus effect on guitar channel delay/echo effect on mic channel and independent reverb on both channels
  • Harmony function automatically creates smooth and accurate vocal harmonies via real-time key/chord analysis of the guitar input
  • Built-in looper for practicing developing ideas and enhancing live performances
  • Independent anti-feedback controls on each channel
  • Dual XLR DI jacks assignable to outputting individual channels (direct or post-effects) or both channels mixed together
  • USB output for direct recording to a computer
  • Control looper harmony and effects with optional footswitches
Legacy of Excellence

The AC-90 isn’t just any new amp on the block … it’s the long-awaited addition to Roland’s industry-leading AC-series amp family. Roland’s reputation for world-class sound` amazing performance` portability` and top-quality construction in the AC series are all upheld in this stunning new amplifier.

Power Performer

With 90 watts of stereo power (45W+45W) driving top-quality speakers` the AC-90 delivers exceptional full-range performance — from shimmering` crystal-clear highs to full-impact bottom end. This amp is more than capable of cutting though a wall of sound.

Anti-Feedback Control

Enjoy maximum volume without feedback` thanks to the AC-90’s sophisticated ANTI-Feedback feature. This allows you to roam the stage with confidence — even with 90 watts of powerful sound at your back.

Immersive Stereo FX

The AC-90’s onboard stereo effects benefit from Roland’s decades of industry-leading R&D. Experience the amazing spatial depth and lush sound of the stereo multi-band chorus` complete with newly developed WIDE mode. Delay and Reverb are provided as well` and can be controlled via footswitch.


In addition to its amazing acoustic-guitar amplification qualities` the AC-90 can also function as a portable PA system thanks to its dual-channel architecture` sub output and phantom-powered Microphone input. Sing and play guitar through one convenient amplifier` with impressive power and full-range performance.

n>Size and Weight
464 mm
18-5/16 inches
303 mm
11-15/16 inches
326 mm
12-7/8 inches
13.9 kg
30 lbs. 11 oz.