Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated .

Sweetwater
4.5 (35)
$868.99
Guitar Center
4.5 (19)
$868.99
Amazon
4.0 (109)
$868.99 New
$782.09 Used (Like New)
Reverb
5.0 (16)
$793.92 New
$595.00 Used
Musician's Friend
5.0 (11)
$868.99
zZounds
5.0 (3)
$868.99
Thomann
4.7 (38)
$729.00
Gear4Music
£739.00

Average Price: $815

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$500

$1001+

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Price History

Based on price data from 6 merchants for "Boss ACS Acoustic Singer Pro". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unleash your acoustic potential with the Boss ACS Acoustic Singer Pro, a powerhouse combo amplifier designed for the modern troubadour. Whether you're performing in intimate coffee shops or commanding larger venues, this amp's 120-watt bi-amp design delivers rich, full-bodied sound that truly captivates. Featuring dual channels tailored for both guitar and vocals, each equipped with discrete analog input circuits and three-band EQ, the Acoustic Singer Pro ensures studio-quality clarity and definition.

The Acoustic Resonance processing breathes life back into your guitar's sound, restoring its natural tone lost to piezo pickups. Meanwhile, the automatic vocal harmony feature crafts seamless harmonies as you play, adapting in real time to your chord changes. This amp also includes a built-in looper, allowing you to layer sounds effortlessly for dynamic live performances.

Connectivity is king with the Acoustic Singer Pro, offering dual XLR DI outputs, a USB interface for direct recording, and an AUX input for additional tracks. It's a robust solution for singer-songwriters, ensuring your musical expression is fully realized in every setting.

Key Features:

  • 120-watt bi-amplified design with custom 8" woofer and tweeter
  • Dual channels with discrete analog inputs and 3-band EQ
  • Guitar channel with Acoustic Resonance to enhance piezo pickup sound
  • Mic channel with phantom power and 1/4"/XLR combo input
  • Built-in FX: Chorus on guitar, delay/echo on mic, independent reverb on both
  • Automatic vocal harmonies via real-time key/chord analysis
  • Integrated looper for live performance enhancement
  • Dual XLR DI outputs and USB for direct computer recording
  • Control looper, harmony, and effects with optional footswitches

Owner's manual

Boss ACS Acoustic Singer Pro User Manual

Product specs

Type Acoustic Combo Amp
Number of Channels 2
Total Power 120W Bi-amped
Speakers 1 x 8" Woofer, 1" Dome Tweeter
Inputs 1 x 1/4" (instrument), 1 x XLR-1/4" combo (mic), 1 x 1/8" (aux)
Phantom Power Yes
Outputs 2 x XLR (DI/line out)
Headphones 1 x 1/4" (headphones/rec out)
USB 1 x Type B
EQ 3-band EQ
Reverb Yes
Effects 2 x Chorus (guitar), Delay/Echo (mic), Harmony (mic)
Feedback Control Anti-Feedback Notch Control
Footswitch I/O 3 x 1/4" (harmony/mute, GA-FC, looper/chorus)
Footswitch Included Yes, 2-button footswitch
Power Source Standard IEC AC cable
Height 14.12"
Width 16.43"
Depth 13"
Weight 31.9 lbs.

FAQs

Is the Boss ACS Acoustic Singer Pro suitable for both guitar and vocals?

Yes, the Boss ACS Acoustic Singer Pro is designed for both acoustic guitar and vocals, featuring separate channels with dedicated controls and effects for each.

Does the Boss Acoustic Singer Pro have built-in effects?

Yes, it includes built-in effects such as reverb, chorus for guitar, and delay/echo and harmony for vocals, allowing for versatile sound shaping.

What are the connectivity options on the Boss Acoustic Singer Pro?

It offers multiple connectivity options, including 1/4" and XLR-1/4" combo inputs, 1/8" aux input, XLR outputs for DI/line out, and a USB Type B port.

Does the Boss ACS Acoustic Singer Pro provide anti-feedback features?

Yes, it includes an Anti-Feedback Notch Control to help minimize feedback, ensuring a clear and stable performance.

What is the power output of the Boss Acoustic Singer Pro?

The amp delivers 120 watts of bi-amped power, providing ample volume and clarity for live performances.

Can I use a footswitch with the Boss Acoustic Singer Pro?

Yes, the amp comes with a 2-button footswitch and has additional footswitch inputs for controlling harmony/mute, GA-FC, and looper/chorus functions.

PMTVUK

PMTVUK

Boss Acoustic Singer Pro & Live Amplifiers - Review & Demo

Video thumbnail for Boss Acoustic Singer Pro & Live Amplifiers - Review & Demo by PMTVUK

Boss Acoustic Singer Pro & Live Amplifiers - Review & Demo

PMTVUK

PMTVUK

Video thumbnail for BOSS Acoustic Singer Amplifier Tutorial with Josh Munday by BOSSchannel

BOSS Acoustic Singer Amplifier Tutorial with Josh Munday

BOSSchannel

BOSSchannel

Video thumbnail for BOSS Acoustic Singer Pro & Live Amplifiers | NAMM 2017 by Reverb

BOSS Acoustic Singer Pro & Live Amplifiers | NAMM 2017

Reverb

Reverb

Video thumbnail for Boss Acoustic Singer Series Amplifier | Live Performance Playthrough by Big Music Australia

Boss Acoustic Singer Series Amplifier | Live Performance Playthrough

Big Music Australia

Big Music Australia

Video thumbnail for BOSS Acoustic Singer Pro Amplifier Demo by Gear4music Guitars

BOSS Acoustic Singer Pro Amplifier Demo

Gear4music Guitars

Gear4music Guitars

Video thumbnail for BOSS Acoustic Singer Pro Amplifier by World Of Music

BOSS Acoustic Singer Pro Amplifier

World Of Music

World Of Music

Video thumbnail for BOSS Acoustic Singer Pro Amplifier Review by Big Music Australia

BOSS Acoustic Singer Pro Amplifier Review

Big Music Australia

Big Music Australia

Video thumbnail for Boss Acoustic Singer Pro Honest Review by Llauger Castillo

Boss Acoustic Singer Pro Honest Review

Llauger Castillo

Llauger Castillo

Video thumbnail for BOSS ACOUSTIC SINGER PRO AMPLIFIER by Roy's Studio Adventures

BOSS ACOUSTIC SINGER PRO AMPLIFIER

Roy's Studio Adventures

Roy's Studio Adventures

Reviews

PROS

  • Crystal clear sound with zero unwanted noise

  • Built-in effects for both guitar and microphone enhance performance

  • Portable despite its powerful output

  • High-quality built-in preamp and harmonizer

  • Versatile for both indoor and outdoor gigs

  • Easy to use, with user-friendly controls and setup

  • Dual power configuration ensures clean and balanced output

  • Built-in looper and harmonies add depth to performances

  • Works well with a variety of musical instruments and styles

  • Vocal effects sound authentic and non-robotic

CONS

  • Slightly heavy, making portability a bit challenging

  • Looper function lacks separate control for guitar and mic inputs

  • Does not have Bluetooth connectivity

  • Footswitch that comes with it is flimsy

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss ACS Acoustic Singer Pro.

Features and functionality

  • The harmony feature can add harmony above, below, or in unison with your singing, utilizing guitar notes for reference.

    Source
  • The acoustic resonance button allows adjustments to brighten or soften the guitar tone, enhancing sound versatility.

    Source
  • The GA-FC pedal's LOOP label refers to effects loop control on other amps, not a loop phrase recorder for the Acoustic Singer Pro.

    Source
  • Owners highlight the amp's built-in chorus as a standout feature, praised for its quality when needed for performances.

    Source

User experience

  • Users find the amp's volume sufficient for soft acoustic settings with a drummer using whip sticks but note it struggles with full-volume drumming.

    Source
  • Owners report needing an additional pedal to activate the looper feature on the Boss Acoustic Singer Pro.

    Source
  • Users appreciate the amp's portability, describing it as small, easy to use, and suitable for both songwriting and gigging settings.

    Source

Use cases and applications

  • Ideal for solo performers due to its mic and guitar inputs, effectively functioning as a mini PA system in venues with weak PAs.

    Source
  • This amp has been positively noted for its performance with electric guitars, despite being designed for acoustics, offering good tone and volume.

    Source

Software and compatibility

  • The GA-FC pedal requires specific labels for correct function with the Boss Acoustic Singer Pro; these can be acquired through Roland/Boss support.

    Source

Comparisons

  • The Boss Acoustic Singer Pro is compared favorably against the Fishman Loudbox Artist for its vocal demos and harmony feature, which are widely discussed online.

    Source

Critic Reviews

Review: Boss Acoustic Singer Pro is Made For the Gigging Singer-Songwriter | Acoustic Guitar

acousticguitar.com

The Boss Acoustic Singer Pro impresses with its powerful output and compact design, making it ideal for gigging singer-songwriters. It offers excellent sound quality, effective EQ, and a rich reverb. The amp’s harmonizer and looper features add creative versatility, while flexible outputs enhance both stage and recording use. However, its basic looper could be more advanced. Overall, it's a solid choice for performers seeking a complete package in a portable form.

positive

Boss Acoustic Singer Pro review | MusicRadar

musicradar.com

The Boss Acoustic Singer Pro is a top-tier acoustic amplifier praised for its portability, excellent sound, and user-friendly effects like reverb, delay, and chorus. Additionally, its looper and harmony effects receive high marks for their quality. However, the small gold lettering on the amp can be difficult to read in low lighting. Overall, it's a feature-rich amp that remains accessible and intuitive, making it a great choice for both solo performers and band musicians.

positive

Boss Acoustic Singer Pro Amplifier Review - American Songwriter

americansongwriter.com

The Boss Acoustic Singer Pro amplifier shines as a compact powerhouse for intimate gigs, delivering impressive sound from its 120-watt bi-amp design. Musicians will appreciate its diverse features, including dedicated mic and guitar channels with EQ, anti-feedback controls, and built-in effects like chorus and reverb. The harmony processor and looper add versatility, while the USB output facilitates direct recording. Despite its robust functionality, the amp's small size may limit stand options and it lacks built-in mounting solutions. Overall, it's a great fit for performers prioritizing sound quality in tight spaces, albeit at a weighty 32 lbs.

positive

4.0 out of 5

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Artist usage

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See how Peter Honoré uses Boss ACS Acoustic Singer Pro

Peter Honoré

Guitarist

...
Verified via Photo

"Setup for this morning for the little gig with @mick_taylor from @that_pedal_show.... Not pedals, just a tuner, sorry Mick and Dan ;-)"

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