car infrared ir transmitter receiver dual channel wireless T20 T-20 T40 for IR headphone

car infrared IR transmitter-receiver dual-channel wireless T20 T-20 T40 for IR headphone

Features

• Wide Compatibility: The wireless IR transmitter can be connected to TVs, MP3 players, DVD/CD players, satellite receivers, AM/FM radios, or any other audio device with a stereo 3.5mm or RCA audio output.

• High-Quality Infrared Transmission: Utilizing a special 850nm infrared wavelength, the system delivers stable and interference-free wireless audio transmission.

• Dual-Channel Design: Equipped with two independent stereo channels, users can easily switch between sources for greater flexibility.

• Multiple Input Options: Features dual RCA stereo inputs for convenient connection to different audio devices.

• Crystal-Clear Stereo Sound: Supports high-fidelity stereo audio with dedicated frequency settings.

  • Channel A: Left 2.3MHz, Right 2.8MHz

  • Channel B: Left 3.2MHz, Right 3.8MHz

• Perfect Pairing with IR Headphones: Designed to work seamlessly with wireless infrared headphones, offering an immersive and comfortable listening experience.

Key Instruction

SW: Power ON/OFF

Input 1: RCA red and white audio input cable; CHA audio input; 12V DC input

Input 2: RCA red and white audio input cable; CHB audio input;

Power Input: Red and black power supply, Red: 12V input, Black, GND

Specifications

System	Infrared light 850nm
Audio Mode	Stereo (Right / Left Audio)
Carrier Frequency	a) A Channel: Left: 2.3Mhz Right: 2.8Mhz b) B Channel: Left: 3.2Mhz Right: 3.8Mhz
Effective range	10M
Power supply	DC12V
Work current	110mA(TYP)
Modulation frequency deviation	60KHZ (Input1.7Vp-p)

Working Voltage: 12V

Working Current: Typically value 65mA (Dual channel 130mA)

Working Frequency:

1. Channel A Left: 2.3MHZ, Channel A Right: 2.8MHZ
2. Channel B Left: 3.2MHZ, Channel B Right: 3.8MHZ

Modulation frequency deviation: 60KHZ (Input 1.7Vp-p)

Connection and Use

1. Connect red line with positive pole 12V power source, another black line connect with negative pole （GND）
2. Connect audio source with transmitter’s RCA (red and white) channel A or Channel B audio input
3. Turn on SW to “ON”, the transmitter will power on, connect the audio source with the transmitter, you can choose Channel A or channel B, use dual channel infrared headphone which you can switch to CHA or CHB, then you can enjoy high-fidelity sound music.

Troubleshooting

1. Transmitter without a reaction when turn on SW button, kindly check if power cable with a good connection, If poles of power are connected correctly
2. When turning on headphones, there is no music, Kindly check if the transmitter is turned on, and if audio cable connect correctly, If music is playing, or SW button is turned to the corresponding position with headphone channel

 

 

FAQs

1. May I know the transmission distance of your IR transmitter and wireless IR headset?

1. The straight-line distance should be 8-10 meters; if the receiving headsets form a circle and the IR transmitter is placed in the center, the transmission distance is estimated to be 1-2 meters.
2. For personal use, one IR transmitter and one wireless headset are ok, for a classroom or meeting, one IR transmitter to many Wireless IR headset receivers, it is better to choose another powerful IR transmitter.

2. What is the warranty on these two products? 1 year? 2 years? 3 years?

1. For the IR transmitter and Wireless IR headset, we can offer you a 24-month quality warranty.
2. After 24 months, if our products have problems, please send them back to us, and we will still offer you free-of-charge repair services.

3. What weight of 20pcs of IR headphone WL-2008?

1. Gross weight 7.0KG, Volume Weight 10KG for 20pcs Wireless Infrared Headphone WL-2008

Still have a question?

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Package

Carton Box 1 : 39×29.5x26cm
42pcs per carton
Net Weight:4.3kg
Gross Weight: 5.0kg

Carton Box 2 : 54x52x28cm
80pcs per carton
Net Weight:9.5kg
Gross Weight: 10.6kg

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Working better for below Wireless IR headphone

WL-2008	VCAN0239

Customizable Option

• Frequency Channels – Carrier frequencies can be adjusted or expanded beyond the standard 2.3/2.8 MHz and 3.2/3.8 MHz.

• Transmission Range – Effective distance can be optimized according to customer requirements.

• Power Supply Options – Input voltage and power interface can be customized (e.g., 5V USB, 12V DC, or vehicle-specific adapters).

• Audio Input Interfaces – RCA, 3.5mm stereo jack, or other input types can be supported.

• Form Factor / Housing – Size, enclosure design, and color can be modified for specific installations.

• Channel Number – Support for single-channel, dual-channel, or multi-channel operation can be tailored.

• Integration with Headphones – Custom-matched wireless IR headphone sets can be provided as a package.

• OEM Branding – Logo printing, packaging design, and labeling can be customized.

• Special Features – Options such as auto power on/off, noise reduction, or extended frequency deviation can be added.

• Certification Requirements – Compliance with CE, FCC, RoHS, or other regional standards can be arranged.

Application Scenario

The car infrared dual-channel IR transmitter-receiver has a wide range of applications, especially in wireless audio systems. Typical scenarios include:

1. In-Car Entertainment – Transmitting audio from DVD players, MP3 players, or car TVs to wireless IR headphones for passengers.

2. Home Theater Systems – Connecting to TV, DVD, or satellite receivers to enjoy private listening without disturbing others.

3. Public Transportation – Buses, coaches, or airplanes using IR transmitters to provide individual audio channels for passengers.

4. Education & Training – Language labs or classrooms where multiple students can listen to different channels using wireless IR headphones.

5. Conference & Tour Guide Systems – Providing clear audio to participants without interference in multi-channel environments.

6. Gaming or Multimedia Rooms – Enabling users to enjoy immersive sound wirelessly.

This flexibility makes the IR transmitter-receiver a practical solution for both personal and professional audio applications.