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Keyboard Amplifiers

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I am very happy with the product and service I received. I have yet to experience such personalized service from audio/music companies in my hometown. I will certainly make more purchases from Sweetwater again. If you have the product I need, I will purchase it from Sweetwater. The service is exceptional. I have never been treated with such thorough, knowledgeable, and friendly service from any of the music companies located in Saint Louis, MO.


Marcy, Saint Louis, MO
  • Peavey KB 1
    Peavey KB 1
    Special Offer: 24 Months Interest Free Financing!
    20W Keyboard Amp 20-watt Keyboard Amp with 8" Extended Range Speaker, Two Channels, and 2-band EQ Basically self-contained, compact sound systems, the KB series amps are perfect for voice, keyboards, acoustic and electric guitar, drum machines and backing machines. Peavey KB 1 Features: 20 watts of clean Peavey power 8 inch extended range speaker Two separate channels 2-band EQ per channel Headphone out
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    (2 reviews)

    (2 reviews) Sale Price: $134.99
    List Price: $159.99

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    + Free 2-year Warranty

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    (2 reviews)
  • Behringer Ultratone K3000FX
    Behringer Ultratone K3000FX
    300W 4-Ch Keyboard Amp w/FX 300W, 4-channel Stereo Mixing Keyboard Amp with 15" Woofer and 1" Tweeter Ever run into a gig where your playing area is too small for everyone to bring amps, or even too small for a full blown PA? The Behringer Ultratone K3000FX is a 4-channel, 300W all-in-one solution. A single 15" woofer and 1" tweeter give you full spectrum range to cover everything...
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    (2 reviews)

    (2 reviews) Sale Price: $399.99
    List Price: $599.99

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    + Free 2-year Warranty

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    (2 reviews)
  • Peavey KB 3
    Peavey KB 3
    Special Offer: 24 Months Interest Free Financing!
    60W Keyboard Amp 60-watt Keyboard Amp with Three Channels, 12" Speaker, and Effects Send/Return Basically self-contained, compact sound systems, the KB series amps are perfect for voice, keyboards, acoustic and electric guitar, drum machines and backing machines. Peavey KB 3 Features: 60 watts of clean Peavey power Extension cab capability extends power rating out to 80...
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    Sale Price: $299.99
    List Price: $399.99

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    + Free Tech Support
    + Free 2-year Warranty

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  • Peavey KB 2
    Peavey KB 2
    Special Offer: 24 Months Interest Free Financing!
    40W Keyboard Amp 40-watt Keyboard Amplifier with 3 Channels, 1 Mic Input, a Single 10" Speaker, and 2-band EQ Basically self-contained, compact sound systems, the KB series amps are perfect for voice, keyboards, acoustic and electric guitar, drum machines and backing machines. Peavey KB 2 Features: 40/10 watts of clean Peavey power 3 separate channels Channel 1 has mic input 2-band EQ per channel Channel 4 monitor input Headphone out 10 inch coax speaker FX send/return Balanced XLR main out
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    (2 reviews)

    (2 reviews) Sale Price: $279.99
    List Price: $319.99

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    + Free 2-year Warranty

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    (2 reviews)
  • Leslie 3300
    Leslie 3300
    3300 Leslie Speaker 300W Solid-state Single-channel Keyboard Amplifier with Tube Preamp, 2-speed Rotating Horn, 15" Rotating Woofer The Leslie 3300 provides that legendary rotating speaker sound in a single-channel, easy-to-transport package that's designed to take the rigors of live touring. The 3300 includes a 2-speed horn rotor with a ferro fluid driver, plus a bass rotor with a 15" woofer, powered by a...
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    (5 reviews)

    (5 reviews) Sale Price: $2,495.00
    List Price: $2,795.00

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    + Free 2-year Warranty

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    (5 reviews)
  • Behringer Ultratone K450FX
    Behringer Ultratone K450FX
    45W 3-Ch Keyboard Amp w/FX 45-Watt, 3-Channel Mixing Keyboard Amp with 10" Woofer Ever run into a gig where your playing area is too small for everyone to bring amps, or even too small for a full blown PA? The Behringer Ultratone K450FX is a 3-channel, 45W all-in-one solution. A single 10" woofer gives you full spectrum range to cover everything from bass to...
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    (2 reviews)

    (2 reviews) Sale Price: $199.99
    List Price: $299.99

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    + Free 2-year Warranty

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    (2 reviews)
  • Behringer Ultratone K900FX
    Behringer Ultratone K900FX
    90W 3-Ch Keyboard Amp w/FX 90-watt, 3-channel Mixing Keyboard Amp with 12" Woofer and 1" Tweeter Ever run into a gig where your playing area is too small for everyone to bring amps, or even too small for a full blown PA? The Behringer Ultratone K900FX is a 3-channel, 90W all-in-one solution. A single 12" woofer and 1" tweeter give you full spectrum range to cover everything...
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    (2 reviews)

    (2 reviews) Sale Price: $249.99
    List Price: $374.99

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    (2 reviews)
  • Peavey KB 5
    Peavey KB 5
    Special Offer: 24 Months Interest Free Financing!
    150W Keyboard Amp 150-watt, 2 x 10" Keyboard Amp and Stereo mixer with 2-band EQ and Main Effects Send/Return The KB 5 was designed as a personal PA system in a keyboard amp. The KB 5 features separate inputs on each channel and can easily handle voice, microphones and other instruments, including acoustic and electrical guitars, drum machines and backing machines, such as CD and DAT...
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    (2 reviews)

    (2 reviews) Sale Price: $549.99
    List Price: $759.99

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    (2 reviews)
  • Peavey KB 4
    Peavey KB 4
    Special Offer: 24 Months Interest Free Financing!
    75W Keyboard Amp 75-watt, 15" Keyboard Amplifier and Stereo mixer with 2-band EQ and Effects Send/Return The KB 4 was designed as a personal PA system in a keyboard amp. The KB 4 features separate inputs on each channel and can easily handle voice, microphones and other instruments, including acoustic and electrical guitars, drum machines and backing machines, such as CD and DAT...
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    (3 reviews)

    (3 reviews) Sale Price: $399.99
    List Price: $539.99

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    + Free 2-year Warranty

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    (3 reviews)
  • Behringer Ultratone K1800FX
    Behringer Ultratone K1800FX
    180W 4-Ch Keyboard Amp w/FX 180-Watt, 4-Channel Stereo Mixing Keyboard Amp with 12" Woofer and 1" Tweeter Ever run into a gig where your playing area is too small for everyone to bring amps, or even too small for a full blown PA? The Behringer Ultratone K1800FX is a 4-channel, 180W all-in-one solution. A single 12" woofer and 1" tweeter give you full spectrum range to cover everything...
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    Sale Price: $299.99
    List Price: $449.99

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    + Free Tech Support
    + Free 2-year Warranty

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  • Leslie Studio 12New
    Leslie Studio 12 
    100W Keyboard Amp Combo Amplifier for Keyboard or Guitar, with 12" Eminence Speaker, 2-speed Bass/Horn Rotor, 1/4" Input, Tube Preamp, and Solid State Power Amp The smallest Leslie ever! The Leslie Studio 12 combo amplifier gives you that classic rotating-speaker sound, in a compact format that's perfect for gigging with. This dual-rotor Leslie comes with a footswitch to switch between fast and slow rotor speeds - call your Sweetwater...
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    Sale Price: $1,495.00
    List Price: $1,795.00

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    + Free 2-year Warranty

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  • Leslie 2101 mk2
    Leslie 2101 mk2
    2101 mk2 Leslie Speaker 200W, 3-channel Keyboard Amp with Rotary and Dual Stationary Channels, Tube Preamp, Digital Lower Rotor Simulation, and MIDI Control The Leslie 2101 mk2 keyboard amplifier packs that magical Lesllie performance and vibe into a very compact design! You get genuine Leslie rotating speaker performance, while an array of input and output options make the 2101 mk2 a very flexible performer. Adjust speed settings and...
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    (1 review) Want to save even more? We have a Demo model of this product available for just $1615.50. Demos often sell within hours, so act fast if you are interested. Learn more »

    (1 review) Sale Price: $1,795.00
    List Price: $1,995.00

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    + Free Tech Support
    + Free 2-year Warranty

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    (1 review)
  • Leslie 2121
    Leslie 2121
    350W Keyboard Amp 200W Solid-state Keyboard Amplifier with 15" Woofer, Horn Tweeter, 3-channel Mixer, Line Out, and 2-band EQ Let your keyboards be heard with the Leslie 2121 keyboard amplifier. The 2121 is one of the few Leslie amps without any rotating parts, making it a stationary unit. This is the ideal amp to couple with the Leslie 2101 mk2 rotary unit. The 200-watt 2121 features a 3-channel mini...
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    Want to save even more? We have a Demo model of this product available for just $1165.50. Demos often sell within hours, so act fast if you are interested. Learn more »

    Sale Price: $1,295.00
    List Price: $1,495.00

    + Free Shipping
    + Free Tech Support
    + Free 2-year Warranty

    Add to Cart
If you're looking for keyboard amplifiers you can depend on, you've come to the right place. Sweetwater stocks the best keyboard amplifiers available, because we know reliability is important to you. And if you have questions about keyboard amplifiers, our knowledgeable Sales Engineers and service staff are here to help. Sweetwater's huge inventory and fast, free shipping on most items ensure that you'll get what you need, when you need it. So when it comes to keyboard amplifiers, do what the pros do: choose Sweetwater.

Sweetwater Sound Inc.
5501 U.S. Hwy 30 W
Fort Wayne, IN 46818
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