
Peavey
Peavey 573180 KB 3 60-Watt 1x12 Keyboard Amplifier
The Peavey KB 3 delivers 60 watts through a 12-inch speaker with four independent channels for versatile keyboard amplification.
$420.00*
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*Price sourced from Amazon.com. Last updated:Oct 25, 2026.Price and availability are subject to change — details.
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Overview
Key Features
60 watts of clean Peavey power
Extension cab capability extends power rating out to 80 watts
Channels 1 & 2 have 2 band EQ - Channel 3 has 3 band EQ -
Channel 3 has 3 band EQ
12 inch speaker with tweeter - Effects send/return - Balanced XLR main out
Specifications
Brand
Peavey
Model
KB 3 (573180)
Power Output
60 Watts (80 Watts with extension cab)
Speaker
1 x 12 inch
Channels
4
Channels 1 & 2 EQ
2-Band
Channel 3 EQ
3-Band
Channels 1 & 2 Inputs
1/4" jack
Extension Cabinet
Yes (increases to 80W)
Frequently Asked Questions
How many instruments or sources can I connect to the KB 3 at once?
The KB 3 has 4 separate channels, allowing you to connect multiple keyboards, a microphone, drum machine, or other line-level sources simultaneously.
How many channels does the Peavey KB 3 have?
The KB 3 has four separate channels, allowing you to connect multiple instruments or audio sources simultaneously.
Can the KB 3 power an extension cabinet?
Yes, connecting an extension cabinet increases the power output from 60 watts to 80 watts, giving you additional volume and projection.
What is the difference between the EQ controls on the channels?
Channels 1 and 2 each have a 2-band EQ for basic tone shaping, while Channel 3 features a 3-band EQ that gives you more detailed control over bass, midrange, and treble frequencies.
Can I increase the power output beyond 60 watts?
Yes, by connecting an extension cabinet to the KB 3, you can extend the power rating to 80 watts, which provides additional headroom and volume for larger venues.
What EQ options are available on each channel?
Channels 1 and 2 feature 2-band EQ, while Channel 3 offers a 3-band EQ for more detailed tone shaping.
What type of inputs do Channels 1 and 2 use?
Channels 1 and 2 use standard 1/4-inch inputs, which accept keyboards, guitars, and other line-level instruments.
What type of speaker does the KB 3 use?
The KB 3 features a single 12-inch speaker, which provides a full-range sound suitable for keyboards and other electronic instruments.
What types of input connections do the channels accept?
Channels 1 and 2 accept standard 1/4-inch instrument or line-level inputs. The remaining channels provide additional connectivity options for versatile source routing.
Is the KB 3 suitable for use beyond keyboards?
Yes, the multi-channel design with separate EQ controls makes it useful for acoustic instruments, drum machines, and even as a small PA for vocals when needed.