DIY kit laser wireless audio transmission module with long transmission distance. The basic principle of using infrared laser to transmit sound is converted from fluctuating sound to red laser, and then the laser vibration signal in the receiver circuit of the photosensitive diode receiver is received, and the signal is demodulated to achieve the sound restoration.
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FM Transmitter Module Microphone Wireless Audio Transmitter FM Module Wireless FM Audio Transmitter Module MIC Core Board V4.0
Aliexpress UK
BIN850 Wireless HDMI Transmitter and Receiver, 657Ft/200m Wireless HDMI Extender Support 1080P@60 Hz, Support 2.4/5GHz for Streaming Video Audio from Laptop, Cable Box to HDTV Projector. You can effortlessly stream any video and audio content to a larger screen.
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diymore PCB0100 2 Channel Infrared Transmitter Module IR Transmitter for Arduino Electronic Building Blocks
Aliexpress UK
Although this unit is pre-owned, it has undergone professional testing to ensure full functionality. 1 x Unit Audio Limited TX2040 631683-1. Frequency Range: 470 to 1000 MHz. Low Frequency Cut Filter: Reduces noise with a 6 dB cut at 50 Hz for clearer audio output.
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diymore PCB0100 2 Channel Infrared Transmitter Module IR Transmitter for Arduino Electronic Building Blocks
Aliexpress UK
Simple Setup: This Plug-And-Play IR Transmitter And Receiver System Requires No Complex Installation. It Is The Perfect IR Extender For TV, Blu-Ray Players, DVD Players, STBs, Cable Boxes, And AV Receivers Hidden Behind Doors.
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LE Audio Bluetooth 5.4 Audio Transmitter Adapter For TV Headphons With AptxLossless Auracast LC3 For Gaming Watching Music-Elect
Aliexpress UK
Infrared Transmitter PCB is marked with component identifications. Infrared Receiver 1x IR Complete Kit Supplied. Fun interesting kit to build.
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Bluetooth 5.0 Transmitter 3.5MM Jack Audio Adapter Wireless Bluetooth Stereo Audio Transmitter Adapter For PC TV Headphones
Aliexpress UK
Super Wand is a wireless audio/video sender using wireless communication technology to deliver audio and video up to 100 metres away. Transmits at 2.4GHz frequency so doesn't interfere with mobile ohone frequencies. In original box, the package consists of 1 transmitter, 1 receiver, 2 ac power adaptors, 2 scart connector cables and a 3-way infra red extender plus the owners manual. Classic technology to enable you to watch tv/videos playing in one room on another tv in another room.
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USB Optical Wireless Bluetooth Transmitter 2 in 1 Audio Transmitter Adapter Low Lantency For TV PC USB Wireless Audio Adapter
Aliexpress UK
You can effortlessly stream any video and audio content to a larger screen. BIN850 Wireless HDMI Transmitter and Receiver, 657Ft/200m Wireless HDMI Extender Support 1080P@60 Hz, Support 2.4/5GHz for Streaming Video Audio from Laptop, Cable Box to HDTV Projector.
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Bluetooth Audio Adapter Bluetooth USB Receiving Transmitter 2 in 1 Audio Transmitter Receiver
Aliexpress UK
Model : Nikkai A31JL. Type: Audio/Video Sender. Condition: Good Working Condition. No Power Cable. Colour : Black. If you are unsatisfied with our products. Ending Soon.
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FM-M01 Mini FM Transmitter Audio Listener Wireless Mic Audio Device Small FM Broadcast Transmitter Radio
Aliexpress UK