Why Shop With Us?

Free Shipping

Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).

Orders placed before 3 p.m. ET usually ship the same business day.

Learn More

2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details

We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us

Contact Us

Call Now
800-449-9128

Hablamos Español

866.226.2919

Let's Chat
Live Chat

Hours:

MON - FRI 6 AM – 7 PM PT

SAT 7 AM – 6 PM PT

SUN 8 AM – 5 PM PT

Track your order Returns FAQs Make a Card Payment
Empty Cart Icon

Your Cart Is Empty

Sign In < Continue Shopping
Why Shop With Us?
 Summer Sale - Up to 50% off! - Shop Now. Call 888-688-0208 or chat for exclusive savings. Summer Sale - Up to 50% off! - Shop Now
RewardsBlogHelp

Contact Us

800-449-9128
Cart
Back
Shop by Category
Hot Deals

Help | Call or Chat

 Track your orderReturnsFAQsMake a card paymentWhy shop with us? RewardsBlogHelp
Home Boss Amplifiers & Effects Amplifiers Guitar Amplifiers Used Guitar Amplifiers

Used Boss Guitar Amplifiers

(377 Items)
Clear All
Extra 10% Savings
BOSS Acoustic Singer Pro 120W 1x8 Acoustic Guitar Combo Amplifier
Open-Box BOSS Acoustic Singer Pro 120W 1x8 Acoustic Guitar Combo...
5.0 of 5 stars (11)
(1) Open Box:
$764.71
Extra 10% Savings
BOSS Waza-Air Wireless Headphone Guitar Amp
Open-Box BOSS Waza-Air Wireless Headphone Guitar Amp
4.5 of 5 stars (2)
(1) Open Box:
$280.71
Extra 10% Savings
BOSS Katana Gen 3 100W Guitar Amplifier Head -
Open-Box BOSS Katana Gen 3 100W Guitar Amplifier Head -
0 of 5 stars
(1) Open Box:
$369.59
Extra 10% Savings
BOSS AC-22LX Acoustic Guitar Combo Amplifier
Open-Box BOSS AC-22LX Acoustic Guitar Combo Amplifier
5.0 of 5 stars (1)
(1) Open Box:
$422.39
Extra 10% Savings
BOSS Katana-Air EX Wireless Guitar Amplifier
Open-Box BOSS Katana-Air EX Wireless Guitar Amplifier
5.0 of 5 stars (1)
(1) Open Box:
$571.99
Extra 10% Savings
BOSS Katana Mini X 10W 1x5 Limited-Edition Battery-Powered Guitar Combo Amp -
Open-Box BOSS Katana Mini X 10W 1x5 Limited-Edition Battery-Powered...
0 of 5 stars
(1) Open Box:
$131.99
Extra 10% Savings
BOSS Waza-Air Wireless Headphone Bass Amp
Open-Box BOSS Waza-Air Wireless Headphone Bass Amp
5.0 of 5 stars (1)
(2) Open Box: from
$359.99
Extra 10% Savings
BOSS Waza Tube Amp Expander Attenuator
Open-Box BOSS Waza Tube Amp Expander Attenuator
5.0 of 5 stars (1)
(1) Open Box:
$1,258.39
Extra 10% Savings
BOSS Nextone Artist 80W 1x12 Guitar Combo Amplifier
Open-Box BOSS Nextone Artist 80W 1x12 Guitar Combo Amplifier
4.5 of 5 stars (3)
(1) Open Box:
$677.59
Extra 10% Savings
BOSS Katana-Air Wireless 30W 2x3 Guitar Combo Amplifier
Open-Box BOSS Katana-Air Wireless 30W 2x3 Guitar Combo Amplifier
4.0 of 5 stars (10)
(1) Open Box:
$413.59
Extra 10% Savings
BOSS Katana-Mini X 10W 1x5 Battery-Powered Guitar Combo Amp -
Open-Box BOSS Katana-Mini X 10W 1x5 Battery-Powered Guitar Combo Amp...
3.5 of 5 stars (2)
(1) Open Box:
$149.59
Extra 10% Savings
BOSS Katana Gen 3 100W Artist Guitar Amplifier Head -
Open-Box BOSS Katana Gen 3 100W Artist Guitar Amplifier Head -
0 of 5 stars
(1) Open Box:
$554.69
Used BOSS Waza Craft Tube Expander Power Attenuator
Used BOSS Waza Craft Tube Expander Power Attenuator
Product Price  $949.99
$1,099.99
Excellent Condition
Used BOSS KTN CAB212 Guitar Cabinet
Used BOSS KTN CAB212 Guitar Cabinet
Product Price  $249.99
$299.99
Excellent Condition
Used BOSS KATANA AIR EX Battery Powered Amp
Used BOSS KATANA AIR EX Battery Powered Amp
Product Price  $424.99
$499.99
Excellent Condition
Used BOSS Katana Air Wireless 30W 2X3 Battery Powered Amp
Used BOSS Katana Air Wireless 30W 2X3 Battery Powered Amp
Product Price  $409.99
$479.99
Excellent Condition
Used BOSS acoUSTIC SINGER LIVE Guitar Power Amp
Used BOSS acoUSTIC SINGER LIVE Guitar Power Amp
Product Price  $399.99
$499.99
Great Condition
Used BOSS KTN CAB 212 Guitar Cabinet
Used BOSS KTN CAB 212 Guitar Cabinet
Product Price  $319.99
$349.99
Great Condition
Used BOSS Acoustic Singer Pro Acoustic Guitar Combo Amp
Used BOSS Acoustic Singer Pro Acoustic Guitar Combo Amp
Product Price  $549.99
$599.99
Great Condition
Used BOSS KATANA-AIR EX Solid State Guitar Amp Head
Used BOSS KATANA-AIR EX Solid State Guitar Amp Head
Product Price  $399.99
$439.99
Great Condition
Used BOSS Katana Cabinet 212 Waza Guitar Cabinet
Used BOSS Katana Cabinet 212 Waza Guitar Cabinet
Product Price  $409.99
$489.99
Great Condition
Used BOSS KATANA ARTIST 2 Guitar Combo Amp
Used BOSS KATANA ARTIST 2 Guitar Combo Amp
Product Price  $424.99
$524.99
Great Condition
Used BOSS WAZA AIR BASS Battery Powered Amp
Used BOSS WAZA AIR BASS Battery Powered Amp
Product Price  $299.99
$339.99
Great Condition
Used BOSS KATANA ARTIST 100W Guitar Combo Amp
Used BOSS KATANA ARTIST 100W Guitar Combo Amp
Product Price  $449.99
$524.99
Good Condition
Used BOSS Katana KTN50 MKII 50W 1X12 Guitar Combo Amp
Used BOSS Katana KTN50 MKII 50W 1X12 Guitar Combo Amp
Product Price  $199.99
Excellent Condition
Used BOSS KATANA 100 MKII Guitar Combo Amp
Used BOSS KATANA 100 MKII Guitar Combo Amp
Product Price  $249.99
Excellent Condition
Used BOSS Katana KTN50 MKII 50W 1X12 Guitar Combo Amp
Used BOSS Katana KTN50 MKII 50W 1X12 Guitar Combo Amp
Product Price  $209.99
Excellent Condition
Used BOSS Katana KTN50 50W 1X12 Guitar Combo Amp
Used BOSS Katana KTN50 50W 1X12 Guitar Combo Amp
Product Price  $299.99
Excellent Condition
Used BOSS Acoustic Singer Live Acoustic Guitar Combo Amp
Used BOSS Acoustic Singer Live Acoustic Guitar Combo Amp
Product Price  $394.99
Excellent Condition
Used BOSS Katana KTN-Head 100W Solid State Guitar Amp Head
Used BOSS Katana KTN-Head 100W Solid State Guitar Amp Head
Product Price  $259.99
Excellent Condition
Used BOSS KATANA ARTIST MKII 100 WATT WITH FOOTSWITCH Guitar Combo Amp
Used BOSS KATANA ARTIST MKII 100 WATT WITH FOOTSWITCH...
Product Price  $399.99
Excellent Condition
Used BOSS CUBE STREET 2 Battery Powered Amp
Used BOSS CUBE STREET 2 Battery Powered Amp
Product Price  $199.99
Excellent Condition
Used BOSS WAZA TUBE AMP EXPANDER Power Attenuator
Used BOSS WAZA TUBE AMP EXPANDER Power Attenuator
Product Price  $899.99
Excellent Condition
Used BOSS KITANA ARTIST MKII Solid State Guitar Amp Head
Used BOSS KITANA ARTIST MKII Solid State Guitar Amp Head
Product Price  $319.99
Excellent Condition
Used BOSS Katana 100 100W 1X12 Guitar Combo Amp
Used BOSS Katana 100 100W 1X12 Guitar Combo Amp
Product Price  $324.99
Excellent Condition
Used BOSS KATANA ARTIST Guitar Combo Amp
Used BOSS KATANA ARTIST Guitar Combo Amp
Product Price  $499.99
Excellent Condition
Used 2023 BOSS Katana 100 100W 1X12 Guitar Combo Amp
Used 2023 BOSS Katana 100 100W 1X12 Guitar Combo Amp
Product Price  $324.99
Excellent Condition
Used BOSS Katana Artist MkII 100w Guitar Combo Amp
Used BOSS Katana Artist MkII 100w Guitar Combo Amp
Product Price  $429.99
Excellent Condition
Used BOSS Katana KTN100 MKII 100W 1X12 Guitar Combo Amp
Used BOSS Katana KTN100 MKII 100W 1X12 Guitar Combo Amp
Product Price  $299.99
Excellent Condition
Used BOSS KTN CAB 212 Guitar Cabinet
Used BOSS KTN CAB 212 Guitar Cabinet
Product Price  $279.99
Excellent Condition
Used BOSS WAZA AMP HEAD Solid State Guitar Amp Head
Used BOSS WAZA AMP HEAD Solid State Guitar Amp Head
Product Price  $899.99
Excellent Condition
Used BOSS ACS LIVE Guitar Combo Amp
Used BOSS ACS LIVE Guitar Combo Amp
Product Price  $499.99
Excellent Condition
Used BOSS KATANA ARTIST Guitar Combo Amp
Used BOSS KATANA ARTIST Guitar Combo Amp
Product Price  $424.99
Excellent Condition
Used BOSS KATANA ART 3 Guitar Combo Amp
Used BOSS KATANA ART 3 Guitar Combo Amp
Product Price  $519.99
Excellent Condition
Used BOSS Katana KTN-Head 100W Solid State Guitar Amp Head
Used BOSS Katana KTN-Head 100W Solid State Guitar Amp Head
Product Price  $264.99
Excellent Condition
Used BOSS KATANA ARTIST MKII Guitar Combo Amp
Used BOSS KATANA ARTIST MKII Guitar Combo Amp
Product Price  $399.99
Excellent Condition
Used BOSS KTN-MINI Katana Mini Battery Powered Amp
Used BOSS KTN-MINI Katana Mini Battery Powered Amp
Product Price  $76.99
Excellent Condition
Used BOSS KATANA WAZA 212 CAB Guitar Cabinet
Used BOSS KATANA WAZA 212 CAB Guitar Cabinet
Product Price  $499.99
Excellent Condition
Used BOSS ACOUSTIC SINGER PRO Acoustic Guitar Combo Amp
Used BOSS ACOUSTIC SINGER PRO Acoustic Guitar Combo Amp
Product Price  $499.99
Excellent Condition
Used BOSS MG80 Guitar Combo Amp
Used BOSS MG80 Guitar Combo Amp
Product Price  $199.99
Excellent Condition
Used BOSS KTN-MINI Katana Mini X Battery Powered Amp
Used BOSS KTN-MINI Katana Mini X Battery Powered Amp
Product Price  $109.99
Excellent Condition
Used BOSS AD2 Acoustic Preamp Guitar Preamp
Used BOSS AD2 Acoustic Preamp Guitar Preamp
Product Price  $99.99
Excellent Condition
Used BOSS AD2 Acoustic Preamp Guitar Preamp
Used BOSS AD2 Acoustic Preamp Guitar Preamp
Product Price  $114.99
Excellent Condition
Used BOSS Katana KTN-Head 100W Solid State Guitar Amp Head
Used BOSS Katana KTN-Head 100W Solid State Guitar Amp Head
Product Price  $316.99
Excellent Condition
Used BOSS Nextone Stage 40W 1x12 Guitar Combo Amp
Used BOSS Nextone Stage 40W 1x12 Guitar Combo Amp
Product Price  $324.99
Excellent Condition
Used BOSS Nextone Stage 40W 1x12 Guitar Combo Amp
Used BOSS Nextone Stage 40W 1x12 Guitar Combo Amp
Product Price  $324.99
Excellent Condition
Used BOSS Katana KTN50 50W 1X12 Guitar Combo Amp
Used BOSS Katana KTN50 50W 1X12 Guitar Combo Amp
Product Price  $299.99
Excellent Condition
Used BOSS Katana Air Wireless 30W 2X3 Battery Powered Amp
Used BOSS Katana Air Wireless 30W 2X3 Battery Powered Amp
Product Price  $249.99
Excellent Condition
Used BOSS KTN-CAB212 Guitar Cabinet
Used BOSS KTN-CAB212 Guitar Cabinet
Product Price  $269.99
Excellent Condition
Used BOSS WAZA-AIR Battery Powered Amp
Used BOSS WAZA-AIR Battery Powered Amp
Product Price  $249.99
Excellent Condition