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Compressor · Keeley Electronics

Keeley Electronics Bassist Compressor

A bass-focused compressor from Keeley Electronics with a design based on the Ross compressor topology. It features controls for sustain, output level, wet/dry blend, and tone shaping, along with EQ voicing designed to preserve bass fundamentals.

  • 9V DC · center −
  • 15 mA
  • Analog
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from $199
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The rundown

Highlights

  • Sustain, Level, Blend, and Tone controls with fundamental-preserving EQ
  • Runs on 9V DC with low current draw of 15 mA
  • Battery compatible and made in the USA
  • Compact footprint at 69.3 x 114.3 mm
  • Premier Guitar gave it 4.5 out of 5, noting it simplifies compression for bassists with solid construction

Best for

Bassists seeking an approachable compressor that preserves low-end tone and character.

Professional reviews

What the press rated it. We link to each review; read the full piece for the details.

Quick facts

Power
9V DC
Current draw
15 mA
Polarity
Center negative
Dimensions
69.3 × 114.3 mm
Status
In production

Where to buy Keeley Electronics Bassist Compressor

$199 lowest new price · Reverb

Current offers
SellerConditionPriceLink
ReverbNew$199View

Prices last checked 21 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Bassist Compressor use?

The Keeley Electronics Bassist Compressor runs on a 9V DC supply with 15 mA current draw and is compatible with batteries.

What are the main controls on this pedal?

The Bassist Compressor features Sustain, Level, Blend, and Tone controls.

How large is the Bassist Compressor?

The Bassist Compressor measures 69.3 x 114.3 mm.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.