All AudioControl Marine Amplifiers at Sonic Electronix

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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.
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

The lowest impedance the amplifier will handle when it is not bridged.
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Audio Control ACX-300.1

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

Use code "Audio15" at checkout for 15% off!

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ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

Use code "Audio15" at checkout for 15% off!

• 175 Watts RMS x 1 @ 4 ohms
• 300 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 600 Watts
• CEA-2006 Compliant
• AccuBASS®

Audio Control ACX-300.1

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

Use code "Audio15" at checkout for 15% off!

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Ships at Later Date

$329.99 (15.15% off)
$279.99
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1 Special offer
  • FREE 8 Gauge Wiring Kit with Select Amps!

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ACX-300.1 small

ACX Series All-Weather 300W Monoblock Audio Marine Amplifier

$279.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XLCA2

2 Channel Line Out Converter with xBOOST & 3-year warranty*!

$89.99

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NVX XIV25 V-Series 2-Channel RCA Cable

16.4 ft of V-Series 2-Channel RCA Audio Premium Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

$18.99

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Audio Control ACX-300.4

300 Watt Marine 4-Channel Amplifier

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300 Watt Marine 4-Channel Amplifier

• 300 Watts @ 2 Ohms
• 175 Watts @ 4 Ohms
• 4/3/2 Channel Amplifier

Audio Control ACX-300.4

300 Watt Marine 4-Channel Amplifier

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$399.99 (17.50% off)
$329.99

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ACX-300.4 small

300 Watt Marine 4-Channel Amplifier

$329.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XIV45 4-Channel RCA Audio Interconnect Cable

5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

$23.99

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NVX XWS1650 Speaker Wire

50 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$29.99

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