
Anthony Easton
The Morley Pro Series Volume (Model PVO) is an electro-optical volume pedal designed for use in the front input of an amplifier. It features a smooth and consistent audio taper, allowing for studio-quiet volume control without the typical noise associated with potentiometer-controlled pedals. The pedal also includes a foot-switchable minimum volume control, which enables a smooth transition between rhythm and lead volumes. The dimensions of the pedal are 9.13" (L) x 5.88" (W) x 2.75" (H), and it weighs 3.3 lb. (1.51 kg).
The specifications for the Morley Pro Series Volume (Model PVO) are as
follows:
- Power: 9V Battery or Morley 9VDC 300mA regulated adapter (center pin is
negative)
- Current Draw: 2.5mA @ 9VDC
- Controls: Minimum Volume
- Taper: Audio
- Weight: 3.3 lb. (1.51 kg)
- Indicator: Power LED on
The pedal is suitable for use with guitars, bass, keys, or any other instrument that requires volume control. It is hand-assembled in the USA and comes with a 2-year warranty from the date of purchase.
Watch the latest video demos and reviews for the Pro Series Volume 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 Morley Pro Series Volume 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.

Very Good
$79

Very Good
$79

Very Good
$100

Very Good
$40

Very Good
$34

Excellent
$65.90

Browse through eBay listings for the Pro Series Volume 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
$47.50

Used
$112.82

Used
$59.99

Used
$74.99

Open box
$55.00

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton