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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
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Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!
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Limited time!

AudioControl LC1i

2-Channel 400W Line Output Converter

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AudioControl LC1i

2-Channel 400W Line Output Converter

• 2-Channel Line Out Converter
• 2 inputs and 2 outputs
• Compact design

shipping truck icon Free shipping in USA. Provide zip for delivery date.
2
List price $149.00
Save $84.00
-56% $65.00

In stock

Add to Cart

• 2-Channel Line Out Converter
• 2 inputs and 2 outputs
• Compact design

Limited time!

Kicker KEYLOC® (47KEYLOC)

KEY series powered line-out converter; RoHS Compliant

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Kicker KEYLOC® (47KEYLOC)

KEY series powered line-out converter; RoHS Compliant

• 2-channel active line output converter
• 2 speaker-level inputs with up to 400 watts RMS power handling
• 2 preamp-level outputs (up to 10V)

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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VIP Product Get $12.00 in rewards to spend later

6
List price $169.99
Save $50.03
-29% $119.96

In stock

Add to Cart
Like New from: $127.49

• 2-channel active line output converter
• 2 speaker-level inputs with up to 400 watts RMS power handling
• 2 preamp-level outputs (up to 10V)

Limited time!

AudioControl LC8i

8-Channel 400W Line Output Converter with Auxiliary Input

LC8i big
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AudioControl LC8i

8-Channel 400W Line Output Converter with Auxiliary Input

• 8-Channel Line Out Converter
• Auxiliary input for iPod, satellite radio, or other audio sources
• Dash control for subwoofer level, auxiliary volume, and source selection

shipping truck icon Free shipping in USA. Provide zip for delivery date.
2
List price $459.00
Save $290.00
-63% $169.00

In stock

Only 1 Left!

Add to Cart

• 8-Channel Line Out Converter
• Auxiliary input for iPod, satellite radio, or other audio sources
• Dash control for subwoofer level, auxiliary volume, and source selection

 
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    All About

    Specials & Promotions

    The Deals Department includes all items with extra savings such as last chance items or items on special. In addition to instant savings on new gear, we also have Sonic Electronix Coupons easily grouped and refurbished electronics in our Deals Department.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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