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Kicker KISL

2-channel speaker wire adapter (bare-wire connector to RCAs)

Item # 206KISL

Discontinued item

Item # 206KISL

About the Kicker KISL

Speaker-level input adapter

Kicker's KISL speaker wire adapter allows you to convert speaker wires into RCA plug connectors. With this adapter, you can connect your car stereo's speaker outputs directly into a Kicker DX, ZX, or IX Series amp, or any other aftermarket amplifier equipped with RCA inputs that take high-level input signals.

Product highlights:

What's in the box:

  • 12" Stereo RCA-to-Speaker wire adapters (male RCA-type connectors on one end and bare wires on other)
  • 2 Female RCA to female RCA barrel connectors

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Kicker KISL reviews

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65 reviews

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Crutchfield response

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More details on the Kicker KISL

Mark G.

Product Research


Overview: The Kicker RCA-to-Speaker Wire Adapter (KiSL) allows high level speaker outputs to be connected via RCA plugs. Ideal for use with amplifiers that have high-level input capability, but no speaker wire input connections.

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Customer Q&A

8 questions already asked

Can speaker wires cause a loud popping cracking sound when turning on tv? The tv and sound bar are both vizio. It was fine for more then 2 years.
[ Ron  Oct 22, 2018 ]
1 answer
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
[ Krissy  Oct 26, 2018 ]  Staff
Will this work going from a bare-wire connection output on an amp to an RCA input on a subwoofer?
[ Joel  Oct 15, 2018 ]
1 answer
I can't say "Yes" definitively, but it should work. I'm using the Kicker KISL to go from a low level (RCA) output on my receiver to a high level (speaker) input on my Kicker sub. The adapter simply converts low-level signals to high-level signals and shouldn't know (or care) which direction the signal is traveling. The way I see it, the KISL is simply stepping impedance up or down depending on the direction of current flow. You may want to see if others agree before trying this, as I am not a electronics person by trade.
[ BRANDT E  Oct 22, 2018 ]
Do these cables share a common ground?I want to use the low level outputs from my stock head unit and go straight into my DSP but if these cables share a common ground I'll damage my head unit.
[ John  Nov 13, 2017 ]
2 answers
Do i need cra wires to hook my amp up to the door speakers?
[ Kenny  Jun 07, 2018 ]
The left & right RCAs provide their own positive & negative leads so, no; they do not share a common ground.
[ Ryan  Nov 16, 2017 ]  Staff
It says do not connect negative speaker wire to rca shield in my Fosgate Prime manual or it may cause damage to amp or head unit.So to make sure I understand this correctly I only connect positive wires and what exactly do I do with negative wires then?
[ James  Dec 16, 2015 ]
1 answer
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the connections on the product. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website.
[ Jeff  Dec 18, 2015 ]  Staff
What color is negative/positive?
[ rene  Jan 13, 2014 ]
7 answers
I tested with an L.E.D. and a battery, an L.E.D. will only light when positive and negative are connected correctly. The blue wire is the prong and grey the ring. The blue is the signal (+) and grey the shield (-).
[ Ed  Oct 18, 2015 ]
doesn't matter due to the faze switch on sub, can change the polarity.but both do need to be wired the same.If their is a black line on each set then use it as neg. and other as poss. if sub. doesn't sound right turn sys vol. down and switch faze switch should improve.
[ TERRY A  Jan 13, 2014 ]
[ JEFF  Jan 13, 2014 ]
I use the blue as positive. You can use either as long as you are consistent Always positive to positive between devices urging the color as positive makes it easier to remember. Good luck
[ HOWARD  Jan 13, 2014 ]
The common color on each plug is the negative{-}. Obviously the different colors on each plug are the positive{+}. I only know this because I had to ohm them out for myself. It would be nice if they were marked - & +.
[ RANDALL  Jan 13, 2014 ]
Usually the wire with the black stripe is neg
[ HAROLD  Jan 13, 2014 ]
I used the blue as the positive connection.
[ MIKE  Jan 13, 2014 ]

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