RDL EZ-HDA4B Installation And Operation Manual Download Page 3

POWER CONNECTION

FIXED MOUNTING

RUBBER FEET ATTACHMENT

Insert Power Plug

Bottom View 

of chassis

Recess

Screw 

directly to flat 

surface without 

installing rubber feet.

Rotate 1/4-turn 

clockwise to lock

Rotate 1/4-turn 

counter-clockwise 

to unlock

Peel backing and stick the 4 rubber 

feet to chassis in recesses provided.

24 VDC POWER INPUT

Insert plug from power 

supply. Rotate 1/4 turn 

clockwise to lock.

LINE INPUTS

Connect an unbalanced stereo source to the left and right 

LINE IN RCA jacks, to the STEREO MINI jack or to the 

STEREO 1/4” jack. 

Connect only one input.

LEVEL CONTROL 1

Adjust the LEVEL control for desired 

headphone volume on rear-panel OUTPUT 1.

LEVEL CONTROL 3

Adjust the LEVEL control for desired 

headphone volume on rear-panel OUTPUT 3.

LEVEL CONTROL 2

Adjust the LEVEL control for desired 

headphone volume on rear-panel OUTPUT 2.

LEVEL CONTROL 4

Adjust the LEVEL control for desired 

headphone volume on rear-panel OUTPUT 4.

HEADPHONE OUTPUTS

Plug headphones into the numbered mini-jack 

corresponding to a front-panel level control 

with the same number.

POWER INDICATOR

Glows blue when the 

product is connected to a 

valid power source.

POWER CONNECTION

FIXED MOUNTING

RUBBER FEET ATTACHMENT

Insert Power Plug

Bottom View 

of chassis

Recess

Screw 

directly to flat 

surface without 

installing rubber feet.

Rotate 1/4-turn 

clockwise to lock.

Rotate 1/4-turn 

counter-clockwise 

to unlock.

Peel backing and stick the 4 rubber 

feet to chassis in recesses provided.

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