
Channel Switch Pedal
Precautions
Pow er Su ppl y
Please connect the designated AC adapter to an AC outlet of the correct voltage. 
Please be sure to use only an AC adapter which supplies 9V (±10%) DC, center 
minus. The ma xim um wo rki ng vo lta ge sh all n ot ex cee d 12V, otherwise may be 
dangerous equipment damage, fire or other problems. 
Unplug the AC power adapter when not using or during electrical storms.
Con nec tions
Always turn off th e pow er of t his a nd al l oth er eq uip men t bef ore c onn ect ing o r 
disconnecting, this will help prevent malfunction and / or damage to other devices. 
Also make sure to disconnect all connection cables and the power cord before 
moving this unit.
Cle aning
Clean only with a soft, dry cloth. If necessary, sli ght ly mo ist en th e clo th. 
Do not use abrasive cleanser, cleaning alcohol, paint thinners, wa x, so lve nts , 
cleaning fluids, or chemical-impregnated wiping cloths.
Int erf erence with othe r electrical devices
Radios and televisions placed nearby may experience reception inte rfe ren ce. 
Ope rate this unit at a suitable distance from radios and televisions.
Loc ati on
To avoid deformation, discoloration, or other serious damage, do not expose 
this unit to the following conditions:
Direct sunlight 
Magnetic fields 
Exc essive dusty or dirty location 
Str ong vibrations or shocks
FCC c ertification
Thi s device complies with Part 15 of the FCC Rules. Operation is subject 
to th e fol lowing two conditions: 
  T his d evi ce ma y not c aus e har mfu l int erf ere nce . 
  This devi ce must accept any int erfere nce receiv ed, includ ing interf erence 
  tha t may c aus e undesired operation.
PLE ASE READ CAREFULLY BEFORE PROCEEDING
Heat sources 
Ext reme temperature or humidity 
High humidity or moisture
Main Features
 Micro ABY can be used in two ways, the signal path can flow from  
  A/B to Y, or from Y to A/B
 Can work without power supply (LED will not be lit up) 
 Full metal shell 
 Very small and compact design 
 True bypass switch                    
 DC 9V adapter power supply     
Basic Using
Micro ABY can be used in two ways, Here are two application examples: 
Example Y→A/B 
Y(Instrument)→Effects chain A/Effects chain B 
Example A/B→Y 
Effects chain A/Effects chain B→Y(Amplifier)
1. Channel Select Footswitch:
3
   Push down the footswitch to
Y
4
A
Channel A: Red 
Channel B: Green
B
5
6. Y Jack: 1/4” mono audio jack, for connecting instruments. 
A/B/Y Jack: 1/4” monaural jack
Power R equir ement s: AC a dapte r 9V DC (ce nter mi nus p lug), c an
work wi thout p ower (L ED do esn’t w ork). R ecomm end ed to use M ooer 
Micro P ower
Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H) 
Weight: 160g 
Accessories: Owner’s Manual
* Disclaimer: Any specification’s update won't be amended in this manual.    
   switch between channel A and 
6
   channel B.
2. A/B LED: 
 Instructs channel A or channel 
 B of Micro ABY, channel A 
 corresponding to the red LED 
 and channel B corresponding to 
 the green LED, LED won’t be lit 
 up without power supply.  
3. DC IN Power Jack:
  For power supply, use a 9-volt 
   DC regulated AC adapter (plug 
   polarity is positive on the barrel 
   and negative in the center).
4. A Jack:
  1/4” mono audio jack, for  
  connecting instruments.
5. B Jack:
 1/4” mono audio jack, for 
  connecting instruments.