Question 1

Can I hook my Sirius home satellite radio to these speakers?

Accepted Answer

In the first month one of the speakers went out. Probably due to a loose connection on the inside. Occasionally I was able to get it to work. No real way to pull the speaker apart. They do have goo sound and are good for the price.

Oh I just noticed your question.   I am sure you would be able to. The connection is pretty standard just the green input plug. Pretty straight forward.

Question 2

Hi Logitech, I would like to know why when I plug my headphones into the remote for this  LS21 speaker system of yours I do not get any extra volume. I get the same volume I get when I plug the headphones into my laptop which is to far to low to enjoy my u tube music. I purchased your speaker system for louder music on the headphones, not just the speakers. Your headphone option on your remote has no use for me. Why is it on the remote and how can I get the speaker volume on the headphones.? You have my email. Can you help.

Accepted Answer

I think you have a driver issue with your sound card.  My system does make volume louder or quieter when i turn the knob on my remote.  It does this with headphones plugged in.  I normally have to turn it down when i plug headphones in though.  Also, try another pair of headphones if you have some and see if issue repeats.

Question 3

What types of input does it have?  RCA, Digital  ?????

Accepted Answer

3.5mm mini plug 
i bought this as well
Cables To Go 40424 6in Value Series One 3.5mm Stereo Female To Two RCA Stereo Male Y-Cable

Question 4

Is there plenty of volume for playing to a classroom full of elementary school children?

Accepted Answer

It could be louder for that but I use it to watch movies on and I have to turn it down sometimes, it depends on the movie thou. Some movies are really quite and some are loud.

Question 5

is the main audio cord that runs from the computer to the subwoofer removable? The reason I am asking, the location for the speakers already has an audio cord ran under the floor that plugs into the current speakers we are replacing... and i really do not want to make another trip into the crawlspace under the floor to replace the existing speaker cord.

Accepted Answer

No it is not completely removable. It is hard wired to the audio/volume control.

Question 6

How long are the wires to the satellites?

Thanks,
Bob

Accepted Answer

The wire length to the speakers is 56 inches. The wire length to the desktop remote/headphone jack is 64 inches and the wire for the AC plug is 60 inches. 
Just a note if you are using a headphone mic there is no jack for the mic on the desktop remote.

Question 7

This is listed as the replacement to the S220, but it has lower wattage. Is it as loud or louder than the S220s? Does it sound better?

Accepted Answer

It's not that loud. I do not know about the S220s. But this model does not have a very high output.

Question 8

Is this compatible with an XM home radio?

Accepted Answer

Well its a typical 3.5mm jack so if your xm radio has a port for that then yes. If you mean via blue tooth or something like that then no.

Question 9

Can the volume be adjusted from the wired remote when using the headphone jack?  I have another set of Logitech speakers where the volume is only adjustable through the PC when using headphones connected to the wired remote.

Here's my setup: my PC and PS4 are connected to my monitor using the HDMI ports.  My speakers are connected to the monitor's headphone out jack.  So, the only ways that I can adjust the volume when using headphones is to either adjust it using the volume controls on my PC (when using the PC, obviously) or adjusting the volume directly on the monitor.  I'd much rather just be able to adjust the headphone volume using the wired remote that the headphones are connected through.

Accepted Answer

The wired remote does not affect the headphone jack volume.

Question 10

when was it made?

Accepted Answer

?? have no clue. look up the release date from Logitech

Questions & Answers