PedalBro

Octave · Subdecay

Subdecay Octasynth

An analog octave synthesizer that generates synth tones from guitar input using monophonic tracking and a filter sweep. Premier Guitar's reviewer gave it 4 out of 5 stars, noting its ability to produce both classic analog sounds and modern experimental tones.

  • 9V DC · center −
  • 10 mA
  • Analog
New
from $179
Used (asking)
from $136.48

The rundown

Highlights

  • Analog octave synthesizer with monophonic tracking
  • Filter sweep control for tone shaping
  • Runs on 9V DC, 10 mA with battery compatibility
  • Compact size at 68.8 x 114.3 mm
  • Currently in production

Best for

Guitarists seeking analog synth tones and octave effects with experimental sound design capabilities.

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
10 mA
Polarity
Center negative
Dimensions
68.8 × 114.3 mm
Status
In production

Where to buy Subdecay Octasynth

$179 lowest new price · Reverb

Used listings asking $136.48–$174.24, median $161.65 (2 listings, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$136.48View
ReverbNew$179View
ReverbUsed$186.82View
ReverbNew$236.16View
ReverbNew$291.94View

Prices last checked 22 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Octasynth require?

The Octasynth runs on a 9V DC supply with 10 mA current draw and center-negative polarity.

Is the Octasynth battery compatible?

Yes, the Octasynth is battery-compatible.

What are the Octasynth's dimensions?

The Octasynth measures 68.8 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.