Roland AC-33 Acoustic Guitar Amplifier - Black

Product ID: 87701

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  • 30-watt (15-watt +15-watt) acoustic guitar amplifier with two 5-inch speakers
  • Runs on AC power or eight AA batteries (accepts rechargeable NiMH)
  • Dual-channel configuration: Guitar and Mic/Line channel
  • Reverb, chorus, and ambience effects (Ambience adds spatial, 3D-type depth to the sound)
  • 40 second Phrase Looper
  • Stereo AUX input (connect MP3/CD players, etc), headphone output
  • Removable battery cartridge for easy battery replacement
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Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
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Rich, deep, stereo sound to go — introducing the AC-33, the world’s first battery-powered amp made specifically for acoustic guitar. Portable yet powerful, the AC-33 provides true stereo sound, Guitar and Mic/Line channels, custom-tailored effects, anti-feedback, and a Phrase Looper. But this amp was made to go places no amp has gone before. Thanks to its battery-power capability, the AC-33 lets you take your act anywhere: into the backwoods, onto the streets, or wherever your imagination leads you.

Natural, Stereo Sound

Equipped with Roland’s latest DSP technology, the AC-33 amp, delivers pure, rich acoustic sound with projection far beyond its size. Its true stereo design (15 watts x 2) enables brilliant stereo/multi-band chorus with “Wide” mode, plus shimmering reverb and 3D-type ambience effects tailored specifically for acoustic guitar.

Strum and Sing

The AC-33 provides two discrete channels: Guitar and Mic/Line. Plug in an acoustic guitar and a microphone (or line-level instrument) and mix them separately. Both channels have dedicated controls for volume, multi-band EQ, and chorus. The Mic/line channel offers both XLR and 1/4" inputs. You can also connect an MP3/CD player to the stereo AUX input for play-along practice or performance. Master volume, reverb, ambience, and anti-feedback are provided as well.

Phrase Looper

The AC-33’s onboard Phrase Looper lets you record, loop, and jam over your own guitar riffs or incoming audio from the AUX input. Record and loop up to 40 seconds at a time, and amaze your listeners with sound-on-sound performances that you create on the spot.

Model AC-33 Acoustic Guitar Amplifier
Dimensions (H x W x D) 243 x 318 x 223 mm
Weight4.7 kg
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
Speakers12 cm (5 inches) x 2
Controls GUITAR Channel: VOLUME Knob, Equalizer Knobs (BASS, MIDDLE, TREBLE), CHORUS Switch
MIC/LINE Channel: VOLUME Knob, Equalizer Knobs (BASS, TREBLE), CHORUS Switch
AUX IN Controls: LEVEL knob
POWER Switch
Connectors AUX IN Jacks (RCA phono type, Stereo miniature phone type)
LINE OUT (L/MONO, R) Jacks (1/4" phone type)
PHONES Jack (Stereo 1/4" phone type)
FOOT SWITCH Jacks (1/4" TRS phone type)
DC IN Jack
Power Supply AC Adaptor (included, DC 13 V)
Dry battery LR6 (AA) type (alkaline) x 8
Rechargeable battery HR6 (AA) type (nickel metal hydride) x 8
Current Draw490 mA
Expected battery life under continuous use Alkaline: about 8 hours
Nickel-metal hydride: about 9 hours
These figures will vary depending on the actual conditions of use.
AccessoryOwner's Manual, AC Adaptor, AC Cord
Options Foot Switch: BOSS FS-5U, FS-6
Connection Cable: Roland PCS-31L

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