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Your device may just have one input — or output — depending on whether it is designed to send or receive audio. The device pictured above is a DVD player, so the coaxial connection is a digital output. It should be a tight fit though, so you may have to push firmly. They have one male RCA jack at either end, and the technical specifications say they should be rated at 75 ohms for accurate transfer of the digital signal.
Yet, in the real world, many AV cables may or may not be accurately designed to be 75 ohms. Whatever it may say on the packaging. Some people will swear blind that a more expensive cable designed for a specific purpose will sound better. Something like this will be fine:. Amazon even has their own AmazonBasics range of digital audio coaxial cables which will do the job for most tasks.
You can also use this type of cable to connect your AV receiver to a subwoofer. Two connection types send this type of signal. One is the coaxial digital audio connection being discussed here, and the other is an optical digital audio interface.
It is common to find both of these connections side-by-side on a device — or you may get one or the other. One advantage of using digital coaxial cables over optical audio is that these cables are quite common.
You are more likely to have a coaxial RCA cable to hand than an optical one. It is also likely to be more robust than the thin optical cable. Apart from that, the differences between the two methods are quite small. The most common solutions are to downmix the audio to stereo PCM — or the player may simply output a lower resolution version. The preferred method for transferring digital audio signals would usually be via an HDMI connector.
In general, they are rated at 75 ohms to transfer digital signals accurately. Many people use them to You can also use this type of cable to connect your AV receiver to a subwoofer. In fact, subwoofer cables are actually digital coaxial cables. You can check out our comparison of subwoofer cables vs RCA cables. By the way, some people build digital coaxial cables by themselves by using coaxial cables with RCA connectors.
They are designed to transmit high frequency electrical or digital signals. People typically use them to transmit audio and video signals. In addition, they transmit analog and composite-video signals between cable receivers, televisions, satellites, and other devices. They typically have two or three color-coded connectors. Today, some people still use RCA cables with their electronic devices.
But the majority use it with old camcorders or other old devices. Most users no longer rely on RCA cables to meet their entertainment needs when it comes to modern devices. Unlike RCA cables, which are no longer very common, digital coaxial cables are currently experiencing their period of prime usage.
You can use these cables with almost any device. Many people use them for modern devices such as:. I will have no qualms about doing the latter unless someone with a scope or equipment can tell me there is a difference that can be heard audibly. Well I jacked-in a regular RCA cable as a coax. I don't know. Br Headphoneus Supremus. Joined Feb 2, Posts 3, Likes Joined Jul 16, Posts Likes The rated cable impedance is most significant when the termination loads match.
For example, TVs and electronic boxes for cable TV are typically 75ohms and you can buy 75ohm coaxial cable for interconnects. An impedance mismatch would result in signal reflections and loss of efficiency. A coaxial cable is a transmission line for TV signals. But a coaxial cable for audio frequencies is no longer a transmission line. I think it is mainly a capacitive load. Chewy New Head-Fier. Joined Nov 10, Posts 1 Likes It works with the analog link but I am using that to send audio to my outside porch.
If I use a analog cable on the digital link, should I get sound but mabe just not good sound? I get nothing. Also tried a optical cable from the set top box to the Sound bar, nothing. The Verzion help line said all 3 audio outputs on the settop box could be used at the same time.
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