Question 1

What does the phase toggle do? I read ther manual, but it didn't explain it  in a manner I could understand.

Accepted Answer

Hi Mike, I saw your question and wanted to give you the correct answer. The phase switch determines the way the subwoofer cone ( speaker ) reacts. When set to "0" the speaker cone will move in the outward direction at the same time ( phase ) of your main ( left & Right ) speakers. When it is set to "180" the speaker cone of the sub will move inward when your main speakers' cones are moving outward. What this does is cancel out any overlapping frequencies between your main speakers and your subwoofer. When you have overlapping frequencies between your sub and main speakers you will get too much or "bloated" mid bass. Some people prefer "180" because they feel the cancelled out frequencies produces "tighter" and more accurate bass. Other people like more mid bass, so you need to listen to it both ways to find which you prefer. The same thing will happen if you hook up speakers with the speaker wires hooked up with positive & negative swapped ( positive speaker wire in the negative speaker terminal and negative speaker wire in the positive speaker terminal ).   Just as an added note, the "Low Pass" filter knob will determine what lower frequencies pass through from your receiver to your subwoofer. The higher the frequency (Hz) the more mid bass the sub outputs and the lower the frequency (Hz) the less mid bass that the subwoofer outputs. You want the subwoofer to optimally blend with your main speakers and that is what the "low pass" filter knob allows you to do.    If you are using a surround sound receiver and it is set for Dolby Digital or DTS surround modes receivers will normally automatically crossover the sub output at 80 Hz, so moving the Low pass knob on the sub beyond 80 Hz will have no effect. Now, if you have a surround receiver that utilizes the Audyssey Microphone system to adjust the surround parameters you will want to set the subwoofers low pass knob all the way to the highest frequency. The Adyssey system will determine what frequency blends best with your main speakers. Hope this is helpful.

Question 2

how many RCA cables to receiver?

Accepted Answer

It has two RCA jacks, but if you have only one sub out one cable is fine - plug it into the left channel for mono.

Question 3

The subwoofer does a cut off for 2 seconds when I turn the volumen up about 50%, anybody knows why?

Accepted Answer

Are you hooked up via wireless? Or wired? I know when you turn on your receiver or amp, since I have my sub on auto, it has to receive the signal from the receiver that there are low frequencies before it kicks on. So there is a delay. Once it has a signal of low frequency, it's on. But after I'm cranking music through the sub, I am able to blast more power, volume and it has no delay. It could be the music you're playing doesn't have low enough frequencies. Adjust your receiver or amp to pass all low frequency through to your sub. I'm hard wired to my sub, I do not get a delay,  only on start up.I love my sub! Good luck!

Question 4

Can you use with an existing soundbar?

Accepted Answer

Yes, if your sound bar has a sub output socket. Your user manual should indicate whether or not there is an output for a sub.

ASIN	B00MJ1YR8Y
Additional Features	Bass Boost, Hi Res Audio, USB Port
Age Range Description	Adult
Antenna Location	For Music Players
Audio Driver Size	12 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Battery Average Life	1 days
Best Sellers Rank	#23,988 in Electronics ( See Top 100 in Electronics ) #21 in Home Audio Subwoofers
Brand	Klipsch
Built-In Media	Subwoofer
Color	Black
Compatible Devices	Gaming Console, Home Theater, Television
Compatible with Vehicle Type	Car
Connectivity Protocol	Wired
Connectivity Technology	Corded
Control Method	Touch
Controller Type	Remote Control
Customer Package Type	Standard Packaging
Customer Reviews	4.8 4.8 out of 5 stars (5,123)
EU Spare Part Availability Duration	7 Years
Enclosure Material	Wood
Frequency Response	29 Hz
Global Trade Identification Number	00743878026153, 00743878041958
Is Waterproof	False
Item Dimensions D x W x H	52.1D x 52.1W x 45.7H centimeters
Item Weight	0.01 Ounces
MP3 player	No
Manufacturer	Klipsch
Maximum Range	20 Meters
Model Name	R-12SW
Model Number	R-12SW
Mounting Type	Tabletop
Number of Audio Channels	5.1
Number of Batteries	1 Nonstandard Battery batteries required.
Number of Items	1
Power Source	Corded Electric
Speaker Maximum Output Power	400 Watts
Speaker Size	12 Inches
Speaker Type	Woofer
Specific Uses For Product	Home theater, music playback
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	30.48 Centimeters
Tweeter Diameter	1 Inches
UPC	743878026153 743878041958
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	12 Inches

Klipsch R-12SW 12" 400W Subwoofer | 12-inch IMG woofer with 400W digital amplifier and LFE input for music, movies and games

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