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Normally no if your “improve” means to get a better video. The source video from the HDMI cable is newly digital signal, like DVD, Blu-Ray and cable TV, which  is almost without loss of quality, but your old TV is an analog TV. When you convert your digital video to analog AV signal , the converter will decoded the digital signal first, upsampling it , and then build it to analog signal, in this procedure the converter will never get the  video to be better than the original.  And the RCA cable is less immune to noise and the video...

FAQ Frequently Asked Questions   What devices is the Rasfox splitter box compatible with? This splitter work well with any source devices with HDMI output port. It support up to HDMI ver 1.4 ( 4K @ 30Hz). Will this device send a signal to two TVs at the same time?  Yes. It duplicate signal from your media device so you can watch same shows in two televisions at same time.   Why isn’t my splitter working? Our splitters have been extensively tested and work well. It is solid constructed with a metal case and well packed for shipping, ensuring the...

FAQ Frequently Asked Questions   What audio format doee the Rasfox DAC1922 compatible with? This device is compatible with PCM (Pulse Code Modulation) and LPCM . Not Compatible with 5.1 Channel Signal (Such as Dolby AC3).   Does plugged headphone disable the RCA jack? No, both the headphone jack and the RCA jacks are active. There is a volume control for the headphone jack.   Why isn’t DAC1922 working? Our converter have been extensively tested and work well. It is solid constructed with a metal case and well packed for shipping, ensuring the product you receive should be of high...

FREQUENTLY ASKED QUESTIONS FOR RASFOX UH461 HDMI 2.0 SWITCH   What devices is the Rasfox UH461 switch box compatible with? This switch should work well with any media source device (include 4K UHD) with HDMI output, such as your: computer, Blu-ray player, DVD player, AV receiver, Apple TV, Roku streaming media player, TV Box, Play Station 3/4, Xbox One/360, Nintendo Wii etc. It supports latest HDMI version 2.0 and lower, support 4K@60Hz, 4K@30Hz, 1080p@60Hz &1080P 3D@24Hz, with 24/30/36/48 bit deep color Support high resolutions up to 3840*2160@60Hz.    Is it HDCP-compliant? HDCP is a copy protection to prevent copy-righted contents...

FREQUENTLY ASKED QUESTIONS FOR RASFOX RCA to HDMI CONVERTER   What devices is the Rasfox converter box compatible with? This converter work well with any classic media devices with RCA output only. Such as older Camcorders, older VHS player, Super Nintendo, Nintendo N64, Sega Genesis and many more. Who will need this converter? Anybody who has an older media device, such as VHS player, Super Nintendo, Sega Genesis, Camcorder, that still works well but only support RCA output. If you have a modern HDTV, they most likely only support HDMI input, and then you need this converter to connect with...