USER’S GUIDE
SM
20CH
H-1010/10
Thank you for choosing Senal.
The Senal communication headsets are ideal for
use with wired and wireless communications systems.
The cardioid dynamic microphone is optimized
for clear and intelligible voice communication,
and the around-the-ear, closed-back design
assures isolation even in noisy environments.
The SMH-series headphones feature Senal’s twist-locking
jack allowing compatible cables and accessories to
be attached. Senal offers a wide range of accessories
to expand the compatibility of your headset.
To attach the cable:
Fully insert the plug. A quarter-turn
clockwise locks the plug into place.
To detach the cable: Turn the plug counterclockwise
a quarter-turn and remove it from the jack.
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Muting the Microphone
Swivel the gooseneck to the
upright position to mute the
microphone. Returning the mic
back down to the speaking
position will unmute it.
Available Accessories
SMH-H5X: TRRS to 5-Pin XLR/M
For Telex Systems
SMH-HM3X: TRRS to M 3.5 mm with 1/4 in. & 3-Pin XLR/M
For connection to mixer or broadcast console
SMH-HMM: TRRS to M 3.5 mm & Stereo M 3.5 mm for PC
Ideal for gaming on a PC or laptop
SMH-PIGTAIL: TRRS to Unterminated Wire
Attach the connectors you need for your
communications system
SMH-H4X: TRRS to 4-Pin XLR/F
For Portacom/Clear-Com Systems
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Specifications
Microphone
Element
Polar Pattern
Frequency Range
Sensitivity
Impedance
Headphone
Speaker Dimension
Magnet Type
Frequency Range
Sensitivity
Nominal input power
Max. Input Power
Impedance
Distortion
Moving coil dynamic
Cardioid
50 Hz to 18 kHz
-79 dB ±3 dB (0 dB = 1 V/microbar,
1 kHz indicated by open circuit)
200 Ω ±30% @1 kHz
40 mm
Neodymium
20 Hz to 20 kHz
87 dB (SMH-1010CH)
84 dB (SMH-1020CH)
20 mW
40 mW
400 Ω (SMH-1010CH)
200 Ω parallel (SMH-1020CH)
≤ 5%
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3
Warning
Protect your hearing!
Exposure to high sound pressure levels may
cause permanent hearing loss. Avoid listening
at high volumes for extended periods.
Symptoms of noise-induced hearing loss may include
persistent ringing, pain, itching, or inflammation of
the ears, and difficulty understanding speech.
For more information, visit
http://www.osha.gov/SLTC/noisehearingconservation/
http://www.cdc.gov/niosh/topics/noise/
Please note: Government URLs are subject to
change. If these links don’t connect you to the right
information, visit www.cdc.gov and www.osha.gov or
do an Internet search for the phrase “hearing loss.”
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Three-Year Limited Warranty
This SENAL product is warranted to the original purchaser to be free
from defects in materials and workmanship under normal consumer
use for a period of three (3) years from the original purchase date
or thirty (30) days after replacement, whichever occurs later. The
warranty provider’s responsibility with respect to this limited
warranty shall be limited solely to repair or replacement, at the
provider’s discretion, of any product that fails during normal use of
this product in its intended manner and in its intended environment.
Inoperability of the product or part(s) shall be determined by
the warranty provider. If the product has been discontinued, the
warranty provider reserves the right to replace it with a model of
equivalent quality and function.
This warranty does not cover damage or defect
neglect, accident, alteration, abuse, improper installation or
maintenance. EXCEPT AS PROVIDED HEREIN, THE WARRANTY
PROVIDER MAKES NEITHER ANY EXPRESS WARRANTIES NOR
ANY IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO
ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. This warranty provides you with
specific legal rights, and you may also have additional rights that
vary from state to state.
To obtain warranty coverage, contact the Senal Customer Service
Department to obtain a return merchandise authorization (“RMA”)
number, and return the defective product to Senal along with the
RMA number and proof of purchase. Shipment of the defective
product is at the purchaser’s own risk and expense.
For more information or to arrange service, visit www.senalsound.com
or call Customer Service at 212-594-2353.
Product warranty provided by the Gradus Group.
www.gradusg
Senal is a registered trademark of the Gradus Group.
© 2018 Gradus Group LLC. All Rights Reserved.
roup.com
caused by misuse,
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