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ACDelco GM Genuine Parts 20938506 Radio Speaker Amplifier

$231.02
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Purchase options and add-ons

Item dimensions L x W x H 12.38 x 9.5 x 5.62 inches
Manufacturer ACDelco
Mounting Type Surface Mount
Brand ACDelco
Specification Met Oe

About this item

  • Provide a wonderfully rich listening experience in your vehicle
  • GM-recommended replacement part for your GM vehicle’s original factory audio amplifier
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
› See more product details

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ACDelco GM Genuine Parts 20938506 Radio Speaker Amplifier
$231.02
Temporarily out of stock.
We are working hard to be back in stock. Place your order and we’ll email you when we have an estimated delivery date. You won’t be charged until the item ships.
Ships from and sold by Amazon.com.
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$33.99
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KICKER 46CSC654 CS-Series CSC65 6.5-Inch (160mm) Coaxial Speakers, 4-Ohm (Pair)
$71.96
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Sold by Photo-Zone [Authorized Dealer] and ships from Amazon Fulfillment.
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From the manufacturer

Certainty Starts Here

THREE TIERS OF A PREMIUM PORTFOLIO

GM OE

ACDelco Gold

ACDelco Silver

GM ORIGINAL EQUIPMENT

GM Genuine Parts and ACDelco Original Equipment are the true OE parts installed during production or validated by General Motors for GM vehicles. These maintenance, repair, powertrain and collision components are designed and engineered to meet rigorous standards set by General Motors.

GOLD

ACDelco Gold parts are the high-quality alternative to OE parts. These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications.

SILVER

ACDelco Silver parts are high-quality, high-value options for General Motors vehicles, as well as for most makes and models.

Our History

OUR HISTORY – OUR ROOTS EMPOWER US

ACDelco has been at the forefront of automotive innovation since the birth of GM in 1908. Since then, we’ve helped a woman fly around the world and a man traverse the surface of the moon.

However, our history isn’t half as promising as our future. We continue forward with GM Genuine Parts by our side. From the assembly line to the finish line, we’re building innovation and improvement on a foundation of GM Original Equipment.

GM Genuine Parts and ACDelco are proud to work together as the only source for true General Motors Original Equipment and aftermarket parts – past, present and future.

Product Description

An ACDelco GM Original Equipment Audio Amplifier is part of the audio system, and is a GM-recommended replacement for your vehicle’s original component. The purpose of the amplifier is to increase the power of a voltage or current signal. The output signal of an audio amplifier may consist of the same frequencies as the input signal or it may consist of only a portion of the frequencies, as in the case of a subwoofer or midrange speaker. The audio amplifier amplifies the signal and sends it to the appropriate speakers. Each of the audio output channel circuits (+ and ?) at the audio amplifier have a DC bias voltage that is approximately one half of the battery voltage. The audio being played on the system is produced by a varying AC voltage that is centered around the DC bias voltage on the same circuit. The AC voltage is what causes the speaker cone to move and produce sound. Both the DC bias voltage and the AC voltage signals are needed for the audio system to properly produce sound. These original equipment audio amplifiers have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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ACDelco GM Genuine Parts 20938506 Radio Speaker Amplifier

ACDelco GM Genuine Parts 20938506 Radio Speaker Amplifier

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Price$231.02$220.50$262.78-20% $229.31
Typical: $286.62		$238.78$275.78
Delivery
—
—
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Get it as soon as Friday, May 17
Customer Ratings—
4.74.7 out of 5 stars94
4.54.5 out of 5 stars316
4.74.7 out of 5 stars57
4.74.7 out of 5 stars192
4.74.7 out of 5 stars488
Value for money
—
4.7
4.4
4.7
4.6
4.6
Easy to install
—
3.5
2.8
4.8
3.5
3.0
Easy to remove
—
3.4
2.7
4.8
3.6
3.0
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
specification met
Oe
certified frustration-free
—
certified frustration-free
Oe
—
mounting type
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount

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