The Acoustic Singer ACS Live takes the acoustic stage amp to new levels of sound quality and creative versatility. Incorporating BOSS’s 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
60–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 ¼-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
SPECIFICATIONS
Rated Power Output
60 W (Woofer: 50 W, Tweeter: 10 W)
Nominal Input Level
MIC INPUT: -33 dBu (2.5 k ohms)
GUITAR INPUT: -10 dBu (5 M ohms)
AUX INPUT: -8 dBu (10 k ohms)
Speaker
16 cm (6.5 inches) Woofer x 1, 2.5 cm (1 inch) Dome Tweeter x 1
Controls
POWER switch
MASTER knob
TWEETER ATT button
MUTE button
[MIC]
PAD button
PHANTOM switch
VOLUME knob
BASS knob
MIDDLE knob
TREBLE knob
ANTI-FEEDBACK knob
PHASE button
DELAY/ECHO knob
REVERB knob
[GUITAR]
PAD button
ACOUSTIC RESONANCE button
VOLUME knob
BASS knob
MIDDLE knob
TREBLE knob
ANTI-FEEDBACK knob
PHASE button
CHORUS knob
REVERB knob
[HARMONY]
ON button
TYPE button
LEVEL knob
[LOOPER]
LOOPER button
STOP/CLEAR button
[AUX]
LEVEL knob
[DI/LINE OUT]
MIC/MIX: OUT SELECT switch
GUITAR/MIX: OUT SELECT switch
Indicators
TWEETER ATT
MUTE
[MIC]
PAD
PHASE
[GUITAR]
PAD
ACOUSTIC RESONANCE
PAHSE
[HARMONY]
ON
HIGH
UNISON
LOW
[LOOPER]
REC
PLAY
OVERDUB
Connectors
MIC jack: Combo type (XLR, 1/4-inch TRS phone type)
GUITAR jack: 1/4-inch phone type
AUX IN jack: Stereo miniature phone type
PHONES/REC OUT jack: Stereo 1/4-inch phone type
DI/LINE OUT MIC/MIX jack: XLR type
DI/LINE OUT GUITAR/MIX jack: XLR type
FOOT CONTROL LOOPER/CHORUS jack: 1/4-inch TRS phone type
FOOT CONTROL HARMONY/MUTE jack: 1/4-inch TRS phone type
GA-FC jack: 1/4-inch TRS phone type
USB port: USB B type
AC IN jack
Power Consumption
40 W
Accessories
Owner’s manual
Power cord
GA-FC sticker
SIZE AND WEIGHT
Width 367 mm
Depth 274 mm
Height 314 mm
Weight 10.5 kg
