SMH-HM3X2 - Headphones Senal - Free user manual and instructions

Product Type	Professional Communication Headset
Model	SMH-HM3X2
Brand	Senal
Microphone Type	Moving coil dynamic
Microphone Polar Pattern	Cardioid
Microphone Frequency Range	50 Hz to 18 kHz
Microphone Sensitivity	-79 dB ±3 dB (0 dB = 1 V/microbar, 1 kHz)
Microphone Impedance	200 Ω ±30% @1 kHz
Headphone Speaker Size	40 mm
Headphone Magnet Type	Neodymium
Headphone Frequency Range	20 Hz to 20 kHz
Headphone Sensitivity	87 dB (SMH-1010CH2) / 84 dB (SMH-1020CH2)
Headphone Impedance	400 Ω (SMH-1010CH2) / 200 Ω parallel (SMH-1020CH2)
Nominal Input Power	20 mW
Maximum Input Power	40 mW
Distortion	≤5%
Design	Closed-back, around-the-ear
Cable Connector	Twist-locking TRRS jack
Included Cable	TRRS to M 3.5 mm with 1/4 in. & 3-Pin XLR/M
Microphone Mute	Swivel gooseneck upright to mute
Accessories (sold separately)	SMH-H5X2 (Telex), SMH-H4X2 (Portacom/Clear-Com), SMH-HMM2 (PC), SMH-PIGTAIL (unterminated)
Warranty	3-year limited warranty
Primary Use	Wired and wireless communication systems, broadcast, gaming

Frequently Asked Questions - SMH-HM3X2 Senal

How do I attach the cable to the Senal SMH-HM3X2 headset?

Fully insert the plug into the jack, then turn it clockwise a quarter-turn to lock it into place.

How do I detach the cable from the headset?

Turn the plug counterclockwise a quarter-turn and then pull it out of the jack.

How do I mute the microphone on the SMH-HM3X2?

Simply swivel the gooseneck upright to mute the microphone. Returning it to the speaking position unmutes it.

What type of microphone does the SMH-HM3X2 use?

It uses a cardioid dynamic moving coil microphone optimized for clear voice communication.

Can I use this headset with a PC or laptop?

Yes, you can use the SMH-HMM2 accessory (TRRS to M 3.5 mm & Stereo M 3.5 mm) for gaming on a PC or laptop.

Is the SMH-HM3X2 compatible with Telex or Clear-Com systems?

Yes, use the SMH-H5X2 for Telex systems and the SMH-H4X2 for Portacom/Clear-Com systems, sold separately.

What is the warranty period for the Senal SMH-HM3X2?

It carries a three-year limited warranty from the original purchase date against defects in materials and workmanship.

How can I protect my hearing while using these headphones?

Avoid listening at high volumes for extended periods. Symptoms of hearing loss include ringing or pain. Visit OSHA or NIOSH websites for guidelines.

What is the impedance of the headphone?

The impedance is 400 ohms for the SMH-1010CH2 version and 200 ohms parallel for the SMH-1020CH2 version.

Can I replace the cable if it gets damaged?

Yes, the twist-locking connector allows you to use compatible Senal replacement cables or accessories.

USER MANUAL SMH-HM3X2 Senal

Close-up of a black electronic device with a cable and connector, no visible text or symbols

SMH-1 01 02/120CH2

PROFESSIONAL COMMUNICATION HEADSET

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: ① Fully insert the plug. ② 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.

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.

Side profile of a human head with a headset and motion arrows indicating movement (no text or symbols)

Available Accessories

SMH-H5X2: TRRS to 5-Pin XLR/M

For Telex Systems

SMH-HM3X2: TRRS to M 3.5 mm with 1/4 in. & 3-Pin XLR/M

For connection to mixer or broadcast console

SMH-HMM2: 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-H4X2: TRRS to 4-Pin XLR/F

For Portacom/Clear-Com Systems

Specifications

Microphone

Element Moving coil dynamic
Polar Pattern Cardioid
Frequency Range 50 Hz	to 18 kHz
Sensitivity -79 dB ±3 dB	(0 dB = 1 V/microbar,1 kHz indicated by open circuit)
Impedance 200	Ω ±30% @1 kHz

Headphone

Speaker Dimension 40 mm
Magnet Type Neodymium
Frequency Range 20 Hz to 20 kHz
Sensitivity 87 dB (SMH-1010CH2)84 dB (SMH-1020CH2)
Nominal input power 20 mW
Max. Input Power 40 mW
Impedance 400	(SMH-1010CH2)200 parallel (SMH-1020CH2)
Distortion	≤ 5%

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.”

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 caused by misuse, 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.gradusgroup.com

Senal is a registered trademark of the Gradus Group.

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