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PSM400 In–Ear Monitor System
Specification Sheet
The P4HW is a component of the PSMr 400 family of personal monitors that provides the advantages of an in-ear monitoring
system, including the following:
S Improved Sound Quality - high fidelity without the risk of feedback
S Personal Control - volume and mix are controlled from the bodypack
S Portability - clips to belt or guitar strap
MONITOR FEATURES
5
1
4
3
2
1. Balance Knob: This thumbwheel adjusts the left/right
balance in stereo or the Mix 1/Mix 2 balance in Mix-
Mode
.
2. Scroll Button: Scrolls through functions in the LCD
screen (see table below).
3. Select Button: Sets functions in the LCD screen (see
table below).
4. Battery Compartment: Contains one 9 V alkaline bat-
tery.
5. Cable: Attached female XLR “Y” cable for connection
to audio sources.
LCD Screen Functions
The LCD screen displays the status of each function, as follows:
Symbol Function Status Indication
Input Level Meter • Signal present
(•) Nominal
(•)) 6 dB below clipping
(
Battery Life High, Medium or Low
Input Attenuation 0 for low level (-10 dBu)
signals or
-15 for high level (+4 dBV)
signals
MIX MixMode On/Off
EQ High Frequency
Boost
LIM Limiter On/Off
On/Off
P4HW TOP PANEL
6
MIX
EQ
LIM
dB
987
6. ON/OFF/VOLUME Knob: Turn clockwise past click to
turn ON. Continue to turn clockwise to increase volume, counterclockwise to decrease volume.
7. 1/8” Stereo Earphone Output Jack:
Connects to earphones.
8. Belt Clip: Attaches the bodypack to a belt, guitar strap
or waist band.
9. LCD Screen: Displays the current status of each func-
tion on the LCD screen (see table below).
dB
FURNISHED ACCESSORIES
XLR to 1/4” Adapter Cable (2) 90B8861. . . . . . . . . . . . . . . . . . .
SPECIFICATIONS
Frequency Response
20 to 20,000 Hz
Total Harmonic Distortion
< .1% (measured at –10 dBu out)
Channel Separation
35 dB (minimum)
E2003, Shure Incorporated
TL1036(CL)
Signal-to-noise ratio
85 dB (minimum)
Maximum Input Level
+7 dBu, input pad OFF
+22 dBu, input pad ON
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PSM400 IN–EAR MONITOR SYSTEM
Specification Sheet
Input Impedance
>40 kW
Maximum Output Level
+5 dBu at 1% THD
Output Impedance
≤ 1W
Minimum Load Impedance
16W
Audio Output Connector
3.5 mm stereo (left=tip, right=ring, ground=sleeve)
Limiter Ratio
10:1
High Frequency Boost
+4 dB at 10 kHz
Power Requirements
9 V Alkaline battery (Duracell type MN1604 recommended)
Current Draw
20 mA minimum, 40 mA maximum
Battery Life
Up to 8 hours, volume dependant
Phantom Power Protection
Up to 60 VDC
CERTIFICATIONS
Authorized under the DECLARATION OF CONFORMITY provision FCC part 15 as a Class B digital device. Tested to comply with FCC standards. FOR
HOME OR OFFICE USE. This product complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by Shure Incorporated could void your authority to operate this equipment.
This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to Part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
S Reorient or relocate the receiving antenna
S Increase the separation between the equipment and the receiver
S Connect the equipment into an outlet on a circuit different from that to which the receiver is connected
S Consult the dealer or an experienced radio/TV technician for help
This class B digital apparatus complies with Canadian ICES–003.
Eligible to bear CE marking.
Conforms to European EMC directive 89/336/EEC: Professional Audio Products Standard EN 55103 (1996); Part 1 (emissions) and Part 2 (immunity).
The P4HW is intended for use in environments E1 (residential) and E2 (light industrial) as defined in European EMC standard EN 55103. It meets the
applicable tests and performance criteria found in the standard for these environments. EMC conformance is based on the use of shielded interconnecting
cables.
N 108
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