
THANK YOU FOR CHOOSING A MORLEY 20/20 POWER WAH VOLUME. 
YOU NOW OWN THE BEST PEDAL MADE!
Please take a few minutes to familiarize yourself with the features of your new pedal. 
We hope you enjoy using it as much as we enjoyed building it. 
ABOUT OUR BUFFER CIRCUIT:
All  Morley  20/20  pedals  come  equipped  with  our  Buffer  Circuit. This  circuit  prevents  volume  loss  or  tone 
change  to  the  instrument.  It  also  allows  the  use  of  long  cables  or  pedals  boards  with  lots  of  pedals  and 
connection cables. You’ll sound and feel better GUARANTEED!
ABOUT OUR OPTICAL CIRCUITRY:
Optical design ensures smooth pedal control of Wah, volume and/or switching that won’t get scratchy and 
wear out like potentiometer (pot) controlled pedals.  
9V: ONLY Morley's 9VDC 300 milliamp regulated adapter should be used.
IN: Input jack. Plug instrument into this jack using 1/4" guitar cable.
OUT: Connect amplifier to this jack using a 1/4" guitar cable.
All Morley pedals use Morley's 9VDC 300 milliamp regulated adapter. Center pin polarity is negative. 
Using a non-regulated adapter could cause a low frequency hum in your amplifier. Using an adapter with 
the wrong polarity may damage the pedal.
All Morley pedals are designed to use one 9V battery when not using an adapter. We suggest you use a 
good quality alkaline battery. To prolong battery life, unplug your cord completely from the input jack when 
not using the pedal. When the pedal is not used for extended periods, remove the battery from the pedal. 
Our “Quick Clip” Bettery door allows easy access to battery compartment. 
All  Morley®  pedals  are  warranted  for  one  year  with  copy  of  dated  purchase  receipt.  To  obtain  warranty 
service, contact store where pedal was purchased or email service@morleyproducts.com
Lifetime warranty is available at no charge, register at www.morleyproducts.com
20/20 POWER WAH VOLUME FEATURES (MODEL MTPWOV):
SWITCHED WAH: Stomp switch switches between Wah and 
  volume. You can use Wah as tone filter by leaving in desired 
  position. Volume level can be set by leaving pedals in any desired
  position. Silent switching prevents switch noise from coming 
 WAH BOOST: Allows you to adjust Wah Level up to 20dB
Power: 9V Battery or 9VDC 300mA regulated (center negative)
Indicator (right): Wah Mode LED on, Volume Mode LED off
Dimensions: 6.75" L x 4.5" W x 2.75" H
Current Draw: 6 mA @ 9VDC
Glow-In-The-Dark Treadle Grip
Glow-In-The-Dark Toe End Logo