Peavey

Peavey 573260 KB5 Keyboard Amplifier 150W

4.1 (79 reviews)
150W

A versatile 150-watt keyboard amplifier that doubles as a personal PA system for rehearsals and small venues.

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Overview

The Peavey KB5 is a 150-watt keyboard amplifier designed for musicians who need a reliable, versatile amplification solution that goes beyond a single-purpose keyboard amp. Its dual-channel architecture allows you to connect two separate sources — such as a keyboard and a microphone, or two keyboards — and mix them independently, each with its own 2-band EQ for tonal adjustment. This multi-channel flexibility means the KB5 can function as a self-contained personal PA system for solo performers, small ensembles, or practice sessions where a full mixer and speaker setup would be overkill.

With 150 watts of clean Peavey power, the KB5 delivers the headroom that keyboards demand — reproducing the full frequency range of piano, organ, and synth patches without the distortion or coloring that guitar amplifiers introduce. The headphone output makes it equally practical for silent practice at home or as a personal monitor on stage. Built with Peavey's signature rugged construction, the KB5 is engineered to withstand the demands of regular gigging and transport, making it a long-term investment for working musicians who need an amp they can count on night after night.

Key Features

Mic/line channel with 3-band EQ and effects send/return

Two 10 inch speakers and horn

150 watts/200 watts with external speaker

Stereo mixer with 2-band EQ and main effects send/return

Headphone out with level control

Specifications

Brand
Peavey
Model
KB5 (573260)
Power Output
150 Watts
Channels
2
EQ
2-band per channel
Headphone Output
Yes

Pros & Cons

👍 Pros

  • 150 watts provides ample clean headroom for keyboards, vocals, and other instruments in rehearsal and small venue settings.
  • Two independent channels with separate 2-band EQ allow flexible multi-source mixing.
  • Doubles as a personal PA system, adding versatility beyond dedicated keyboard amplification.
  • Headphone output enables silent practice without needing a separate monitoring solution.
  • Peavey's reputation for rugged construction means the KB5 is built to handle regular transport and use.

👎 Cons

  • At 150 watts, it may lack sufficient volume for larger performance venues without PA support.
  • Limited to 2-band EQ per channel, which provides less tonal precision than amps with 3-band or parametric EQ.
  • The unit is bulky and heavy compared to more modern compact keyboard amplifiers.
  • Only two input channels, which may not be enough for keyboardists running multiple rigs.

Frequently Asked Questions

Yes, the KB5 has two separate input channels, so you can plug in a keyboard and a microphone, two keyboards, or other line-level instruments simultaneously.
It delivers 150 watts of clean power, which is sufficient for rehearsals, small venues, and personal monitoring applications.
Yes, each of the two channels has its own 2-band EQ, allowing you to shape the tone independently for each connected source.
Yes, it includes a headphone output for private practice or personal monitoring without projecting sound into the room.