Rolls PM55P Users Manual

INTRODUCTION:

Thank you for your purchase of the PM55P Stereo
Personal Monitor Ampli er with Limiter. This unit is
a unique device for monitoring ones self and pro­gram material at the same time. It has a monitor level
control and a mic level control, a mic pass-through
XLR jack, headphone output jacks, and a switchable
stereo/mono 1/4" monitor input jack.

personal monitoring.
... Anywhere you need versatile, clear and loud

- Broadcast

- Live

- Studio

The PM55P is designed for performers who need to
monitor their own signal, such as their vocals, with
the main mix. It is very popular with drummers who
need to mix a click track with a monitor signal. Church
choir singers use the PM55P to monitor their voices
over the musicians. And many sound technicians use
the PM55P as a quick line tester to troubleshoot audio
systems.

The PM55P features all these bene ts in a convenient
battery-powered package.

With limiter

PM55P Personal Monitor Amp./Limiter

The PM55P is an essential monitoring tool for studio or live

applications. It allows you to mix a mic signal and a monitor signal and

hear them via headphones.

• Built in switchable Optical Limiter

• XLR Mic In & XLR Pass Through

• Stereo/Mono 1/4" Monitor Input

• 3.5mm and 1/4” Headphone outputs

• 9V Battery or Included AC adapter operation

• Lots of output level, it's loud.

PM55P Personal Monitor

PM55P

PM55P

PM55P

WARRANTY
For information on the Rolls One Year Limited Warranty, and
to register this product, visit our website at www.rolls.com

SPECIFICATIONS
Max Input Level: -20 dB XLR, 40 dB monitor
Input Impedance: 600 Ohm Mic,
22k Ohm Monitor
Output Impedance: 10 Ohms
Gain: 20 dB 1/4", 50 dB XLR
Bandwidth: 50 - 20 kHz
S/N Ratio: 90 dB
Limit Threshold: 0 dB
Current Draw: 70 Mils Nominal
Max Output Level: 100 Mil Watts @ 16 Ohm.
Power: 9 - 15 VDC
Size: 4.5" x 4" x 1.375"
Weight: 1 lb (.45 Kg)

PM55P MONITOR

Rolls Corporation
Salt Lake City, UT
03/14

75889 00551

66

DESCRIPTION/OPERATION:

MIC THRU: XLR jack paralleled (hard-wired) to the MIC INPUT jack for pass-through to a mixer or other input device.

The MIC THRU of the PM55P will pass PHANTOM POWER with no voltage or signal loss.

lift/gnd: Switch for connecting or disconnecting the XLR ground (pin 1) to chassis ground. The GND LIFT is only for
the Mic Thru XLR jack it does not lift other input or output grounds.

MIC INPUT: XLR balanced jack for connection to a condenser or dynamic microphone. The PM55P does not provide

PHANTOM POWER. If your mic requires phantom power it must be provided by a separate unit.

MIC INPUT LEVEL-SWITCH: This push button switch will activate the “Mic Input level” between Mic level or Line
Level. Follow the silk screening of the PM55P for orientation. Having the switch in the wrong position will make the

unit seem noisy, or that the volume is very low or very loud.

MONITOR INPUT: 1/4” TRS stereo (or MONO see below) jack for connection to a line level source such as a mixer
monitor/auxiliary output, cassette player output, CD player output etc.

MONITOR STEREO MONO SWITCH: The Monitor Input can be switched to Stereo (TRS- Left, Right and Ground) or
Mono (TS- Tip, Sleve) make sure you have this con gured properly before turning on or connecting anything to the

PM55P, or damage will occur to the PM55P or Units you have connected to it.

POWER: This button turns the PM55P on and o .

BATTERY: Compartment for a single 9 Volt (alkaline preferred) battery. NOTE: The battery does not need to be
removed when using the provided PS27s adapter. Expected battery life is between 10 to 30 hours (Depending on

demand usage)

9 - 15 VDC: For connection to the provided Rolls PS27s AC power adapter.

HEADPHONE OUTPUTS: One 1/4” Stereo (TRS-Left, Right and Ground) stereo headphone output, one 1/8” Stereo
(TRS-Left, Right and Ground) output. Both jacks can be used at the same time.

pwr: Indicates the PM55P is on, or that the battery is low when dim or not on at all when unit is turned on.

MIC LEVEL: Adjusts the level of signal coming from the MIC INPUT.

MONITOR LEVEL: Adjusts the level of the incoming signal from the Monitor Input.

LIMITER: The Limiter function is active when the LIMITER SWITCH is on. When in the OFF position the Limiter func­tion is completely bypassed.

The PM55P also ships from the factory with a belt clip installed on the bottom of the unit. If you need to use the
PM55P with out the attached belt clip simply remove the two #1 Phillips head screws to remove the clip.

lift gnd

MIC

THRU

9-15

VDC

ster
mon

MONITOR

INPUT

MIC

INPUT

MIC INPUT LEVEL

MIC

LINE

www.rolls.com

PM55P

Personal Monitor Amp+

pwr

HEADPHONES

LIMITER

on off

MONITOR

LEVEL

BATTERY - 9V

MIC

LEVEL