background image

Power switch and LED 

power indicator.

RCA Stereo inputs. 

Level control will 

adjust channel level 

outputs.

DC jack for 

connection to 

the included 

Rolls KS100DU 

power supply

Stereo XLR 

Line level 

inputs.

Outputs. Plugable Phoenix 

connector for connection to 

speakers.

MADE IN USA

www.rolls.com

HR251

2 Channel 50 + 50 Power Amp

 

OUTPUT

CH.2

CH.1

CH.2

CH.1

KS100DU

24V 4A

XLR BALANCED INPUTS

RCA

2

1

2

1

-

+

-

+

HR251

WARNING:

 THE MINIMUM SPEAKER IMPEDANCE IS 4 OHMS EACH.

IF YOU CONNECT AND USE THE HR251 WITH A LOWER SPEAKER  IMPEDANCE THAN 4 

OHMS YOU WILL DAMAGE THE HR251 AND POSSIBLY OTHER EQUIPMENT THAT IS CON-

NECTED TO THE OUTPUTS.

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