Instruction: Answer the given question using the supporting document.

Input:
Question: How are these for use as front speakers for music CDs ?
Document: not  exceptionally loud when mounted on my back wall.voice matches great with my infinity front speakers.they have a nice look, good quality of sound.
used as back surrounds to match the front ES series speakers. Makes a nice uniform sound much better than the previous speakers I used.
They are a bit heavy for the wall so you need to make sure that they are mounted safely. At 10 inches between each mounting post you will have a tough time hitting a stud. Use good anchors! The gold mounting posts for the speaker wire are top quality as usual. The bad thing about the pictures here at Amazon is they don't show the speaker grill. They mount onto the speaker utilizing four posts and use a black fabric with a logo on the bottom.
I bought this pair for my Onkyo 7.1 surround. Their purpose is front surround as I do have a different set for the back surround. It has been some weeks since my purchase and I still love looking at them, listening to them and, again even with system off, looking at them. They are outstanding. They are not your typical small or satellite speakers, they are mean and strong JBL surround purpose speakers. I owned JBL before mainly on my cars and they sound awesome and clear.
connected to a Onkyo HT-rc front height channels 370, they are very heavy and large characteristic of JBL. One negative for not giving 5 stars is that they have many mounting options, and includes nothing to ease the task, I had to improvise to install. I hope they are durable!
I found these book shelf speakers on a special Holiday sale and could not be happier. I was a little worried about not having a separate bass when buying them,  but the sound couldn't be better. I totally recommend.
Been a fan of JBL for a long time. These speakers sound great and are pretty easy on the eyes. They have a nice mid and high range, but carry a surprisingly decent low end. All around great product for the money.
These speakers sound great. I received them in a timely manner, and set them up and was blown away. I have these hooked up to a Denon AVR2808CI and with the center channel, I am impressed. Great sound for a great price, highly recommend.
So is the case with these. I am not an expert audiophile but I am an adult with good hearing who can tell myself when things sound good or bad. These sound good.... Yes, l am looking for an excuse to by more but sadly I have no more need for speakers. Love them.
Placed these on the wall behind the couch to provide rear-channel sound. Combined with the rest of the ES line of speakers (es80, es25c, es150), I now have a movie theater experience in my living room. I highly recommend the entire line! The only drawback is my wife keep telling me to turn it down...
Answer: I paired them with a subwoofer and they work great!