Using Wireless Kits for Subs -- Only down to 20hz?! - AVS Forum
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post #1 of 19 Old 03-02-2013, 06:13 AM - Thread Starter
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So I was reading through posts all over the internet about using a sub wireless kit and which one was universal and worked best...

And I hit across a post that mentioned almost all wireless sub kits only go down to 20hz... Buttkicker goes down to 5hz (Buttkicker though only works with BUttkicker..it is not universal.)

Now one of the big reasons I bought my sub is I want to feel those sub-sonic sounds... Anyone have advice to go wireless and get below 20hz?
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post #2 of 19 Old 03-02-2013, 10:06 AM
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Maybe you should get a different room for your audio setup that doesn't require wireless wink.gif

You might call Outlaw Audio about their OAW3: http://www.outlawaudio.com/products/OAW3.html Perhaps it's not a cliff at 20hz, and you can still get some usable response from it a few hz lower.

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post #3 of 19 Old 03-02-2013, 10:27 AM - Thread Starter
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Says right on their site...

OAW3 Wireless Audio System...means you can use it to send extremely low latency, full fidelity, 20Hz to 20kHz. Strange that all these high performance sub makers would design a wireless system but cut off single at 20Hz. Allot of the reason we buy Outlaw and other high performance subs is the response below 20Hz.

Unless I am missing something? I really doubt I am smarter than all these engineers?
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post #4 of 19 Old 03-02-2013, 10:31 AM
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You are right. It is kind of pointless. But don't assume it's a cliff at 20hz. Could be it's a gradual slope down from there.

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post #5 of 19 Old 03-02-2013, 10:51 AM - Thread Starter
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I will call to ask on Monday...can't hurt.
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post #6 of 19 Old 03-02-2013, 10:21 PM
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keep in mind that lots of electronics use the 20hz to 20khz stat. Nearly all receivers for instance - yet they go much lower.

It's sort of a general standard, but not a limit typically.

"Without subs it's just background music - with subs it's the main event!"

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post #7 of 19 Old 03-03-2013, 05:17 AM
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Quote:
Originally Posted by Archaea View Post

keep in mind that lots of electronics use the 20hz to 20khz stat. Nearly all receivers for instance - yet they go much lower.

It's sort of a general standard, but not a limit typically.
+1. They do so as they'd rather exceed spec than come up short, and rest assured there's no shortage of those who'd scream bloody murder if they claimed being flat to 10Hz but were actually only flat to 11.

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post #8 of 19 Old 03-03-2013, 11:01 AM - Thread Starter
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That helps! I will call just to confirm... Will try to run with cable but if I can't ill go wireless. Thanks guys.
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post #9 of 19 Old 03-14-2013, 06:31 AM
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Did you get any response from Outlaw? I was about to put this in place for my subs but now I'm wondering.
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post #10 of 19 Old 03-28-2013, 09:18 AM
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I'm curious as well.... need a solution with high WAF and this fits the bill
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post #11 of 19 Old 03-28-2013, 11:05 AM
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I'll do some sweeps with mine after my new subs come next week. Wired vs OAW3. I'm in between subs as of now
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post #12 of 19 Old 03-29-2013, 09:48 AM
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Any update on this? I'm really curious to hear the outcome.

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post #13 of 19 Old 04-04-2013, 12:23 PM
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Update:

I did run some sweeps on 1 of my new PSA XS30's wired vs wireless. I did find that there is a large gain difference (roughly 10db), but this is easily fixed on the sub gain to compensate. The bigger concern that we all have is how it performs below 20hz. My sweeps do not have any smoothing nor do I have any kind of room correction engaged.

What I did find is that as you go sub 20hz (15hz & 10hz), you do lose about 2 - 2.5db's vs a wired connection. Below are my measurements:




I also created a table so you can see the #'s at 10hz intervals:


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post #14 of 19 Old 04-04-2013, 01:48 PM
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Quote:
Originally Posted by ndskurfer View Post

Update:

I did run some sweeps on 1 of my new PSA XS30's wired vs wireless. I did find that there is a large gain difference (roughly 10db), but this is easily fixed on the sub gain to compensate. The bigger concern that we all have is how it performs below 20hz. My sweeps do not have any smoothing nor do I have any kind of room correction engaged.

What I did find is that as you go sub 20hz (15hz & 10hz), you do lose about 2 - 2.5db's vs a wired connection. Below are my measurements:

Thanks for taking these measurements -- I was planning to set up up my new XS15 with the OAW3 next weekend and measure (and I still will and report back) but now I have the confidence that the effort to move the sub won't be in vain.

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post #15 of 19 Old 04-04-2013, 02:19 PM
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Any idea if Audyssey (or similar) would make corrections for the slight drop?

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post #16 of 19 Old 04-04-2013, 02:38 PM
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Quote:
Originally Posted by BenjaminKing View Post

Any idea if Audyssey (or similar) would make corrections for the slight drop?

Yes, Audyssey should be able to easily correct this AFAIK.

- Jeff

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post #17 of 19 Old 04-16-2013, 10:28 AM
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I am using a Audioengine W3 wireless kit for my PSA XS15 subwoofer. As you can see from the REW graph below (Audyssey off) the Audioengine W3 (purple) extends well below 20Hz. The distortion plots for each in REW look virtually identical as well.


- Jeff

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post #18 of 19 Old 04-16-2013, 06:53 PM
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Im using the rocket fish wireless transmitter for 69.00 on a PSA XV15. It operates on a 5ghz bandwith and I notice no difference between my other xv15 thats hooked up direct. I get extension down to 16hz before it rolls off.
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post #19 of 19 Old 04-24-2013, 08:41 AM
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ndskurfer, thanks for the measurements. That looks like an acceptable drop for the benefit of wireless.
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