

The Mad Professor Kosmos is a compact and versatile pedal designed for a wide range of ambient reverbs. It features 11 carefully designed reverb programs, including Plate, Room, Spring, Hall, 3 reverb + shimmer sounds, 2 reverb + delay sounds, and 2 Swell sounds. The pedal offers freeze functionality and allows for swell effects without the need for a volume pedal. Users can further adjust the tones with four knobs, including Time, Tone, and Level, with program-dependent controls for Ducking Depth, Swell rise speed, Shimmer ratio, or Delay level.
Technical Specifications:
- Supply voltage range: 8.5V to 12V
- Current consumption: 90 mA at 9VDC
- Input impedance: 500 kOhm
- Analog dry path
- True bypass
The pedal can be powered by a 6F22 9V battery or a DC eliminator with a 2.1 mm plug (center negative and positive sleeve). The manufacturer recommends against operating the unit with its bottom removed to prevent damage. The pedal also includes a 2-year limited warranty.
The Kosmos pedal is designed and manufactured by Mad Professor Amplification Ltd in Finland and is compliant with EN 55013, EN 55020, EN 60555-2, EN 60555-3, RoHS, and WEEE requirements.
Watch the latest video demos and reviews for the Kosmos from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.
Below are live Reverb listings for the Mad Professor Kosmos from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.
Excellent
$232.15
Brand New
$213.70
Brand New
$218.26
Excellent
$232.15
Browse through eBay listings for the Kosmos compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.
Used
$220.06
Used
$231.80
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