SIMOLIO SM-561 Two Channel IR Wireless Headphone User Manual
- October 30, 2023
- SIMOLIO
Table of Contents
SM-561 Two Channel IR Wireless Headphone
Product Information: SM-561 IR Wireless HeadphonesThe SM-561 IR wireless headphones are designed to be compatible with universal vehicle IR entertainment systems. These headphones allow kids to enjoy excellent sound clarity from movies, videos, and music without disturbing other passengers and drivers. The headphones feature dual channels for your option and an automatic power-off function that allows them to be switched off after approximately 10 minutes when there is no audio signal to save power. They are also designed with a 3.5mm AUX sharing jack, which allows another set of earbuds/headphones to plug in to share the movies/music. The SM-561 headphones can be used as wired headphones by the included detachable AUX cable or equipped with an IR transmitter for watching TV at home. For better performance, SIMOLIO IR transmitters SM-261A or SM-264D are suggested.
Features:
- Compatible with any universal-frequency car DVD systems (Universal IR frequencies: Channel A: L/2.3MHZ,R/2.8MHZ; Channel B: L/3.2MHZ,R/3.8MHZ).
- Dual channel for your option.
- The automatic power-off function allows the headphones to be switched off after approximately 10 minutes when there is no audio signal to save power.
- Designed with a 3.5mm AUX sharing jack allows another earbuds/headphones to plug in to share the movies/music.
- It can be used as wired headphones by the included detachable AUX cable, or equipped with an IR transmitter for watching TV at home, SIMOLIO IR transmitters SM-261A or SM-264D are suggested for better performance.
Parts Introduction:
- Battery cover
- Audio-in jack
- L
- Power indicator
- A B OFF VOL
- A/B channel & Power off
- Volume control
Product Usage Instructions:
- Install the batteries in the headphones by rotating the battery cover clockwise until you hear a click (Ref. Fig 2).
- Select Channel A or Channel B on the headphones and make sure the headphones’ channel is the same as the relative transmitter’s/DVD’s to avoid intermittent sound issues.
- Sit directly in front of the monitor within 6 feet to obtain the best audio signal. If you sit on either side of the monitor, you can expect the same great reception within 35 degrees to the left or right of the monitor. Sound will be cracking if you sit too far away or not in sight of IR transmitter (Ref. Fig 3).
- If two kids in the same row are watching different movies on two DVD players, please set each DVD on a different channel (channel A & channel B), then set the headphones to the channel of the DVD they would like to listen to. Please ask your kids to face the DVD and not sit too close to each other to avoid interference (Ref. Fig 4).
- If the headphones have been powered off automatically, turn them off first, then switch to A or B to turn on the headphones.
If you have any questions, please contact
support1@simolio.com
(US/CA/AU) or support_uk@simolio.com (UK).
You can also visit their
website at www.simolio.com or
purchase from www.amazon.com/simolio.
1. Features
- Compatible with any universal-frequency car DVD systems (Universal IR frequencies: Channel A: L/2.3MHZ,R/2.8MHZ; Channel B: L/3.2MHZ,R/3.8MHZ).
- Dual channel for your option.
- The automatic power-off function allows the headphones to be switched off after apprximately 10 minutes when there is no audio signal to save power.
- Designed with a 3.5mm AUX sharing jack allows another earbuds/ headphones to plug in to share the movies/ music.
- It can be used as a wired headphones by the included detachable AUX cable, or equipped with an IR transmitter for watching TV at home, SIMOLIO IR transmitters SM-261A or SM-264D are suggested for better performance.
Parts Introduction
User Guide
Install the batteries properly
Please use 2×AAA premium alkaline batteries and make sure they are inserted
properly (not suggest to use rechargeable NI-MH battery).
Note:
- Revolving clasp battery compartment structure, install the battery cover in the correct position, then rotate it clockwise until you hear a “click”, or it won’t stay latched ( Ref. Fig 2).
Power on the headphones
Select to Channel A or Channel B, make sure the headphones’ channel is same as
the relative transmitter’s/ DVD’s, otherwise will cause intermittent sound
issues.
Note:
-
If it’s the first time to use SIMOLIO universal IR headphones and experience no sound, audio cuts, only hear sound by one side, most are caused by car DVD’s frequencies deviation (non-universal), then you will need to return these Fig 1 Fig 2 headphones and purchase the original ones.
-
Please pay attention to the IR transmitting angel & distance, the best audio signal will be obtained if you sit directly in front of the monitor within 6 feet. If you sit on either side of the monitor you can expect the same great reception within 35 degrees to the left or the right of the monitor. Sound will be cracking if sit too far away, or not in sight of IR transmitter, which is limitation of the IR system type, not the product itself. (Ref. Fig 3)
For two kids in the same row and are watching different movies on two DVD players, please set each DVD on a different channel (channel A & channel B), then set the headphones to the channel of the DVD they would like to listen to. Please ask your kids to face to the DVD and don’t sit too close to each other to avoid the interference. (Ref. Fig 4)
If the headphones have been powered off automatically, please turn off it first, then switch to A or B to turn on the headphones.
Please turn off the headphones and take out the batteries before storage.
How to Adjust the Headband to Fit Better
The headband incorporates memory elastic stainless steel strips inside, you can remould the headband shape to fit you better, or adjust the wearing angle to make the headphones fit snug on your ears.( Ref. Fig 5)
Trouble Shooting
| Problem | Causes | Solutions |
|---|
No voice
| The headphones/ transmitter is not powered on.| Power on the headphones/
transmitter.
The volume of headphones/ audio source is zero or too low.| .Turn up the
volume at a sufficient
level.
Beyond the working range.| Move the headphones in the working range of the
transmitter.
Batteries have been run out.| Use new 2×AAA premium alkaline batteries and
insert properly.
The IR sensor of DVD player is not universal.
| Return SIMOLIO headphones and buy the original headphones, or turn off the
IR sensor of DVD player, buy SIMOLIO IR transmitter as an alternative.
Problem| Causes| Solutions
---|---|---
Noise / Cuts in and out
|
The IR sensor of DVD player is not universal.
| Return SIMOLIO headphones and buy the original headphones, or turn off the
IR sensor of DVD player, buy SIMOLIO IR transmitter as an alternative.
Headphones’ channel is not same as the relative transmitter’s.| Make sure the
headphones’ channel is same as the relative transmitter’s.
Blocked by obstacles.
| Make sure there is no obstacles between the transmitter and the headphones
(esp., please don’t cover your hands on the IR sensors of the headphones), and
pay attention to the IR transmitting angle and distance.
Interference from other transmission sources| Leave far away from the
interfering source.
Problem| Causes| Solutions
---|---|---
Noise / Cuts in and out
|
The batteries are in low power.
| Change another new 2×AAA premium alkaline batteries and insert properly.
The volume of audio source is too low.| Turn up the volume of the audio device
at a sufficient level.
Poor IR transmitting modules.| If the IR sensor in the DVD player can be
turned off, please turn off it and buy SIMOLIO IR transmitter as an
alternative.
Poor mounting angle of infrared-ray emission tubes.
The quantity of infrared-ray emission tubes are not enough.
Technical Parameters
- Power Supply: 2XAAA alkaline batteries
- Working Current: 30mA ± 5mA
- Receiving Frequency: A channel: L/2.3MHz, R/2.8MHz (Universal standard) B channel: L/3.2MHz, R/3.8MHz (Universal standard)
- Receiving Distance: ≥ 6m
- Frequency Response: 20Hz~20KHz
- Power Output: ≥ 8mW
- S/N Ratio: ≥ 60dB
FCC
RF exposure statement This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
FCC Warning
This device 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.
NOTE 1:
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:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
NOTE 2:
Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
SM-561 IR wireless headphones are compatible with universal vehicle IR entertainment systems, allowing kids to enjoy excellent sound clarity from movies, videos and music without disturbing other passengers and drivers. Keep your kids happy and leave you peace on the go.
For any questions , p lease contact:
support1@simolio.com (US/CA/AU )
support_uk@simolio.com ( UK)
www.simolio.com
www.amazon.com/simolio
Sales & Support Email: support1@simolio.com (
US/CA/AU )
support_uk@simolio.com ( UK)
References
- Amazon.com: SIMOLIO
- SIMOLIO -TV Headphones & Speakers, Car Accessories, Bluetooth Adapters – Simolio Electronics