A compact, all-in-one sound system for keyboards, vocals and more. The Peavey KB3 is a 60-watt, 1 × 12-inch keyboard amplifier with 4 channels. Peavey describes the KB series as self-contained compact sound systems for voice, keyboards, acoustic and electric guitar, drum machines and backing tracks.
Why customers choose it
Who it is for
Keyboard players at church, home and small gigs, music teachers and schools, solo singers with a keyboard, and anyone who needs a small amp that handles keys and a mic together.
Specifications
| Power | 60 W RMS into 8 Ω (internal); 80 W RMS into 4 Ω with external cabinet |
|---|---|
| Speaker | 1 × 12-inch |
| Channels | 4 |
| Inputs | Ch 1–3: 1/4-inch; Ch 3: XLR low-Z; Ch 4/Monitor: 1/4-inch line |
| EQ | Low and high on each channel (±15 dB); mid on channel 3 |
| Outputs | Balanced XLR main line out, headphone (1/4-inch stereo), external speaker (min. 8 Ω) |
| Effects loop | Send / return (1/4-inch) |
| Frequency response | 20 Hz – 20 kHz (+0, -1 dB) |
| Protection | DDT speaker protection (switchable) |
| Power cord | Detachable IEC |
| Amplifier Type | Keyboard amplifier |
Good to know
- Check the voltage printed by the power socket before first use.
- Turn the master and headphone levels fully down before switching on.
- External speaker cabinet is optional and sold separately.
FAQ
Can I connect a microphone?
Yes. Use the XLR input on channel 3 for a low-impedance (standard) microphone.



























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