Reddit mentions of Cables Unlimited AUD-1100-06 6 feet 3.5 MM Male to Male Stereo Cable

Yeah, that's what I thought. So what you've done is the TV is expecting sound input through that port but you're trying to get it to output the sound through there. You've got some of the right things, that's the RCA to Jack cable I mentioned above.

The only output on that panel is the Digital Out, the yellow-ish port that's at the far right of that line of 4 ports. You need to get the Digital Coax Cable, and the Coax to Analogue converter I mentioned above.

Plug the Digital Coax Cable into that port on your TV, then plug it into the converter, then plug the cable you already have into your converter on one end, and into your speakers on the other end. I know it seems kind of messy, but from googling around, your speakers only take Analogue sound in, and your TV only outputs Digital sound.

You could try to see if there's a headphones port on the tv, then plug that direct to the speakers using a normal 3.5mm cable but I haven't seen TVs with a headphones port in a while.

I'm guessing it's a cube or something? Either way, I'm sure it has a line out or headphone jack, right?

You can get a cable to plug in from there to your computer's line in or microphone jack (line in is better if you have it), and record with decent quality. It won't be the best and it's not a very good way to record, but it's better than nothing.

if the line out on your amp is quarter inch, you could either go quarter inch male to 3.5mm adapter female -> 3.5mm cable -> line in or quarter inch cable -> quarter inch female to 3.5mm male adapter -> line in. It just depends on what you have I guess.

If your line out jack is 3.5mm then all you need's a 3.5mm cable.

Be warned though! If you turn your amp up too loud you can damage both of the components. Start with no volume, and slowly raise it till it's audible. Don't worry about it being too low, that can be adjusted later when editing the clip. This is absolutely not the best way to record, but if you're broke like me, then yeah. I used to do this for a while, and it worked okay. The better more official way to do it is with a USB interface, which you can get for around $30. I don't have enough experience with any one to recommend one though. but if you must:

http://www.amazon.com/inch-Stereo-Female-3-5mm-Adapter/dp/B001TKABX6/ref=sr_1_4?ie=UTF8&qid=1330916050&sr=8-4

http://www.amazon.com/RiteAV-inch-3-5mm-Female-Adapter/dp/B000V1R92U/ref=sr_1_1?ie=UTF8&qid=1330916008&sr=8-1

http://www.amazon.com/Cables-Unlimited-AUD-1100-06-6-Feet-Stereo/dp/B000SE6IV8/ref=sr_1_2?ie=UTF8&qid=1330915986&sr=8-2

everything you need for <$5!

Oh, and for the actual recording, you can use a free program like audacity.

You stole my words. I was just going to add a link for an axillary input cable which many TV's have along with VGA input for the computer. I know you mentioned this cable already but I seem to see this type of input on many HDTV's.

AUX Cable

Here's the cheapest on my list!

and

I wouldn't mind getting anything on my wishlist but if I had to choose, I'd choose this :D

Thanks!

You can find 3.5mm connectors from a lot of places, like Sparkfun, Amazon, or if you don't like soldering the connectors and are more comfortable splicing, buy a cable and cut it in half.

Tools-wise you'll need something to strip the wire (knife or small wirestripper), some wirecutters, and a soldering iron.

Most TVs should have Optical or Aux out, and then you would use a L7 to give a line out connection to your amp.

I think I figured out your problem. If you have a Mid 2010 iMac, then you should have a Mini Display port in the back to hook up an external display. You're also probably using something like this from your computer to your HDMI cable. If so, then the audio will not work. The reason is because the Mini Display Port supports video only and has no way of sending audio through an HDMI cable. The Thunderbolt Port, which was introduced in the Mid 2011 iMacs, on the other hand supports both audio and video and can send them both through an HDMI cable. So for your situation, you need to hook up a separate audio line from your iMacs headphone jack to the TV with a 3.5mm to RCA cable. But since you said you're hooking it up to a Toshiba, their audio in ports are usually a 3.5mm audio jack (headphone jack) that says "PC/HDMI 1 IN (AUDIO)" above/on the side of it. That audio line input will only work with whatever PC port and HDMI port it's joined with. If you have a headphone jack instead of an RCA audio port on the back of your TV, then you'll and a 3.5mm to 3.5mm auxiliary cable like this. You can also get something like the Kanex iAdapt 51 Mini DisplayPort to HDMI Adapter that will take the video out (Mini Display Port) and Audio Out (headphone port) and merge them together so you only have one wire going to your TV. Hope that solved your problem. :)

Edit: I was doing some more research on the matter and found this. So according to Apple, some Mini Display Ports support both audio and video output but it all depend on the a) model mac you are using and b) if you have the right connection between your Mac and TV (I believe this is were "Kyeetza" got his answer from). So follow the links and see which model iMac you have if you're not certain and yeah. Hope it helps.

Someone correct me if I'm wrong but it sounds like you need one of these adapters and one of these cables

I did a little Googling and found a quick and dirty way to accomplish this:

Connect your optical line to one of these.

Then, connect one of these things to it.

Finally, hook up one of these guys.

Hopefully that helps!

I've done something similar with one of these and one of these. Works good, syncs with my iPhone.

You can find the male-to-male audio cable at any electronics place - Radio Shack, Fry's Electronics, or tons of places online... Amazon.com for instance. Here's one.

The radio should have a setting for "AUX" or auxiliary input. Use that setting. You will need to experiment with the volume of the phone's music player app and the volume of the speaker system to find the best setting for playing the music clearly at the level of volume you want.

I also want to point out that you can use this adapter with a 3.5 mm cable (Its like a male-male headphone cable) to play your ipod/mp3 through your amplifier. Assuming you don't have a line-in port.

Some TVs have an audio line-in jack. So, if you want to just keep using VGA and your TV has one, all you need is a cable with both ends male 3.5mm jacks (example here.

Another alternative is to get external computer speakers. The sound should be much better than both your computer and your TV. Added bonus: you should also be able to hook them up to your TV and use them even without the computer.

I haven't used these myself, but I use a similar type (cheap computer speakers with a sub). Even cheap ones often sound much better than what is coming out of the TV.

Honestly though, if the Chromecast at $35 is too expensive, then you might be in the wrong game. (Good) Media equipment is not known to be cheap.

A simple audio cable should be what you are looking for. Amazon has them for like 4 bucks. http://www.amazon.com/Cables-Unlimited-AUD-1100-06-Stereo-Cable/dp/B000SE6IV8/ref=sr_1_1?ie=UTF8&qid=1370387469&sr=8-1&keywords=audio+cable