Analog Audio Extender: Connect your devices easily with this 3.5mm RCA analog signal audio extender. This can deliver clear, high-fidelity and lossless analog audio signals up to 1640 feet over CAT5e/6/7 cable. perfect for PC, Laptop, DVD player, TV Box, , , , and Hi-Fi equipment with RCA or 3.5mm port for unlimited entertainment. Enabled with 3.5mm & RCA Port Audio Conversion: Both the transmitter and receiver of the audio extender have 3.5mm and RCA (L+R) input and output ports. The receiver can output stereo audio signals, whereas the transmitter can only transmit one of them. Features One to One Mode: The audio extender can realize audio input from the 3.5mm port and output from the 3.5mm or RCA port, through a single CAT cable. The RCA port can also input audio for the 3.5mm or RCA port outputs. Enables the connection of your preferred audio devices, effortlessly. Simultaneous Input with Dual CAT Cable Ports: Each audio extender has two CAT Cable interfaces. Thus it can receive simultaneous input from different audio devices with 3.5mm and RCA ports. Then, at the output end, you can select and switch the output audio function as per your needs. Pure Signal Transmission: With ADC technology, it transmits differential digital signals over a long distance to avoid interference and noise. This device supports Digital, DTS, PCM with sampling rates: 48k/96k/192k (16bit/18bit/24bit); RCA (L+R): Stereo for a breathtaking sound experience. Easy to Use with Power Supply Technology: Comes with plug and play feature, and does not need any driver installation. Requiring just a power adapter, you can connect it to either the transmitter or receiver for perfect operation. NOTE: A DC12V/1A power adapter is required for power supply, and the power adapter is not included. Colour:Black Material:Aluminum alloy Package Contents: 1 x Analog Audio Extender(transmitter) 1 x Analog Audio Extender(transmitter) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.