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127
4.7 out of 5 stars
Monster ILJRY-1 F Single Female RCA to Dual Male RCA Y-Adapter
Price:$11.94 + Free shipping with Amazon Prime
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28 of 29 people found the following review helpful
on January 12, 2009
I have the Polk RM6750 and saw this y adapter in the stores. Strangely enough this was the cheapest Y adapter with gold connectors.

Turns out if you only plug an RCA into one of the inputs on the Subwoofer the other input is still active. Meaning you are losing about 3Db's when your not connected to the other input (which I thought was minimal).

So I bought this cable and decided that at $6-7 it really couldn't hurt.

Got home and plugged it in, there is a noticeable difference in the Subwoofer's sound without having to turn it up any more.

Granted if you can find a cheaper Y adapter by all means go for it, but I am very satisfied with the sound coming out of my 8" Subwoofer now.
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31 of 34 people found the following review helpful
on February 20, 2011
Verified Purchase
I bought this, like many others, to provide signal to both the Left and Right inputs of my subwoofer (Energy ESW-8HG). First, I'll comment on the product, then the application

Product:
Build quality, although more basic than most Monster products, is more than satisfactory. The gold plated connections are a must, and the cable didn't seem to have any issues with shielding (although on a sub application, it can be tough to tell due to the frequency reproduction capability of a sub). My Rosewill subwoofer interlink cable, which I at times have felt fit somewhat loosely into its connection, fit snugly into this which gave me confidence. The price was great (as usual - thanks Amazon!), and shipping was as fast as it always is

Application notes:

First, I'd like to comment on the 3dB of gain issue. 3dB (when dimensionless) represents a DOUBLING of power. However, there is no way to magically double the strength of your audio signal. Splitting a signal actually lowers the total power available for the amp (any connection causes a connector loss). However, whether you see a boost in signal to the amp (assuming a powered sub woofer) will depend on how it is configured. If it uses half of its power to amplify each channel, then yes - supplying a signal to both will likely get you more power to the woofer itself since now the amp is amplifying two signals and not just 1. However, this will change from amp to amp, as I found out.

As mentioned above, I tried this as part of my Energy ESW-8HG subwoofer setup. I had been having problems with the sub cutting out, and as part of my troubleshooting process thought I'd see if this made a difference. It did not (but it was not the fault of the product, as you'll see below)

However, and be sure to read this part - in my discussions with the Energy Tech/Warranty support folks, I learned that although the sub does have an input for L and R, in a mono sub application a signal should ONLY be supplied to one of the 2 (in my case, the L). Using both the left and the right is intended to be a speaker level input option that many sub manufacturers provide as a flexibility feature (can sell this sub to more users, since not all AV recievers have subwoofer out). Therefore, supplying a mono subwoofer signal to both channels can DAMAGE your subwoofer's internal amp and/or the sub itself (if it gets overdriven).

Bottom line - if you determine that you could benefit from this connector - then buy with confidence, but make sure that your audio configuration warrants this plug, as I'd hate for you to damage your equipment
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26 of 30 people found the following review helpful
on November 18, 2009
Verified Purchase
I ordered the Polk Audio PSW10 10-Inch Monitor Series Powered Subwoofer (Single, Black) to go with my Yamaha CRX-330BL Micro Component Receiver CD Player Unit and bought Belkin PureAV AV20500-15 15-Foot Subwoofer Audio Cable to connect them. It turns out you also need a Monster ILJRY-1 F Single Female RCA to Dual Male RCA Y-Adapter to feed the signal into both channels of the subwoofer, or it doesn't work right. Once I got all the components, it's fine, but it took a week and two orders to figure it all out.
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5 of 5 people found the following review helpful
on December 5, 2012
Verified Purchase
I don't generally buy from monster, because their prices tend to be on the high end of absurd. This was a wonderful and refreshing change of pace from their usual price gouging. The cable works perfectly.
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4 of 4 people found the following review helpful
on July 28, 2011
Verified Purchase
I bought this to connect my stereo receiver to my subwoofer for my home theater system. My subwoofer has two inputs for sound and my receiver has one output for the subwoofer. I read on several websites that you need to get an adapter like this so that sound is transmitted to both terminals on your subwoofer. These cables seems sturdy and well built.
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3 of 3 people found the following review helpful
on February 2, 2011
Verified Purchase
Bought this for connecting my Onkyo amplifier up to my Polk Audio subwoofer speaker, which is part of my 5.1 speaker system. The PA speaker has two RCA plugins but my Onkyo only provides a single RCA output plug. This adapter provided the perfect solution! This is a well made cable adapter, in typical Monster quality fashion. It is working beautifully.
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1 of 1 people found the following review helpful
on January 11, 2011
Verified Purchase
I'm normally not a Monster purchaser for the sole reason that their products are usually way over-priced, but for $5 (shipped) I couldn't really ask for more. I used to run sound through a LG DVD HTIB I purchased some years ago. The sub crapped out on me about 2 years ago and I purchased the Polk PSW10 as a replacement. In that setup, I only needed speaker wire to run the sub (no sub out), but for Christmas my wife let me (sounds horrible, I know) purchase a new A/V receiver. I got a Pioneer VSX-1020-K after much research. When I initially ran the sub wire I bought, I noticed the sub had L and R lines in, but I figured that the low frequencies were being sent in mono and that it wouldn't make a difference, so I plugged the line into the L line-in. Well it seemed like no matter how much I raised the volume of the sub and turned the sub level up on the receiver, I just wasn't getting the "oomph" that the sub made with the cheapo LG unit I had running with speaker wire. I did a little more research and found that I was losing db's by running mono into the L line in. So, naturally, I jumped on Amazon and found this little guy. Hooked it up the day I got it and wow, I noticed a difference immediately. I had to turn the sub's volume down and turn down the level going to the sub from the receiver. A buddy came over that weekend and asked if I got a new sub (he had heard the sub on the LG system and in the mono setup on the new system) because it had a noticable presence now. All because of a little y-adapter? I have to say yes since that is all that changed. I figured for $5 I couldn't really go wrong. Are there cheaper y-adapters out there? Probably, but that would require me to look further on the net (spend more time) or actually drive to different stores to find it (spend more gas), thus costing me more than the $5 this cable runs. As usual, Amazon came through with nice packaging and Prime 2-day (Saturday delivery offered at no extra charge) delivery that I received next-day on Friday (ordered on Thurs).
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1 of 1 people found the following review helpful
on December 12, 2011
Verified Purchase
Bought this because I've used Monster products for years. Mainly started using them in Automotive audio setups and was never let down. Because of this I gladly use their products in my home audio/home theatre setups. Can't go wrong with this product!
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1 of 1 people found the following review helpful
on January 30, 2012
Verified Purchase
I used this Y cable to connect my Subwoofer to my receiver. it works as described. The only this I didn't think about before buying this was getting a cable the is longer so i don't have to use 2 cables to reach between the 2 devices.
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1 of 1 people found the following review helpful
on February 22, 2012
Verified Purchase
This Y-cable works exactly as advertised! Added base is noticeable on my Polk Audio PSW10 powered subwoofer. Highly recommended for anyone needing Y-cable adapter!
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