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Connections & Controls

for the tiny unit: connect it to your gear, 
set a mode and done. The power jack is 
for supplying LED onboard only.

 

True Bypass 

The ABY Box features true bypass 
design which keeps your sound pristine.  

 Carefully Selected Components 

The ABY Box is designed and built with 
carefully selected components to ensure 
best sound quality and road 
performance. The solid Aluminum-alloy 
chassis ensures touring reliability.

Features

Convenient compact size

True bypass

Flexible dual-mode ABY box designed 

for a variety of scenarios

Can be used in two ways

LED indicator shows the working 

state

a

b

c

d

e

Specifications

Power Requirement: 9V DC center 
negative
Current Consumption: 10mA
Dimensions: 42x93.5x52mm
Weight: 220g

www.donnerdeal.com

a

b

c

d

e

b

b

DC IN Power Jack

:

For supplying LED only. Use a 9-volt 
DC regulated by AC adapter, 500mA 
(plug polarity is positive on the barrel 
and negative in the center). This unit 
can work without power.

A, B & Y Jacks

:

1/4” mono audio jacks, for connecting 
instruments, amps or other devices. 
The ABY Box can be used in two 
ways: the signal can flow from A/B to 
Y, or from Y to A/B.

Mode Select Switch

Selects from A/B and A&B modes. 
Due to True Bypass circuit design, 
the A and B jacks will affect each 
other when used as inputs in A&B 
mode.

LED Light

:

In A/B mode, the LED indicates A/B 
channel status (red means channel A, 
green means channel B). In A&B 
mode, LED shows yellow indicating 
current mode only.

Footswitch

In A/B mode, tap the footswitch to 
switch between channel A and 
channel B.
In A&B mode, the footswitch won’t 
work.

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