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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.
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Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
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An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
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Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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The lowest impedance the amplifier will handle when it is not bridged.
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The lowest impedance the amplifier will handle when it is bridged.
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If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
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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.
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Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
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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.

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This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Fusion MS-RGBRC

Two-piece RGB Lighting Control Module with Wireless Remote

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Two-piece RGB Lighting Control Module with Wireless Remote

• Portable wireless remote functions up to 10m from the speaker
• Intuitive Touch Controls
• 10-meter range (approximately 32 feet)
• Connects up to 8 RGB LED speakers (4 pairs)

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• Portable wireless remote functions up to 10m from the speaker
• Intuitive Touch Controls
• 10-meter range (approximately 32 feet)
• Connects up to 8 RGB LED speakers (4 pairs)

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Price: $49.99

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Fusion MS-RA70

Marine Digital Media Receiver with Bluetooth

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Marine Digital Media Receiver with Bluetooth

• Single DIN Bluetooth Digital Media Receiver
• 2" LCD Text Display
• Works with iPod/iPhone, plus Android and Windows phones
• 3 sets of 3 volts preamp outputs
• 3 Band EQ
• LCD display with brightness adjustment
• Fits a variety of boats and off-road vehicles

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• Single DIN Bluetooth Digital Media Receiver
• 2" LCD Text Display
• Works with iPod/iPhone, plus Android and Windows phones
• 3 sets of 3 volts preamp outputs
• 3 Band EQ
• LCD display with brightness adjustment
• Fits a variety of boats and off-road vehicles

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Price: $269.99

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Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart
Belva BMRC3W

Flip-up Water and UV-Resistant Marine Radio Cover. Protect Your Stereo From the Water and Sun Fading

$19.99

$14.99

Add to cart

Fusion Stereo Retrofit Kit

Single-DIN Adapter Kit for Select Fusion Marine Radios

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Single-DIN Adapter Kit for Select Fusion Marine Radios

• Single-DIN Adapter Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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• Single-DIN Adapter Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Fusion SG-SL103SPW

600W Peak (300W RMS) 10" Signature Series 3i Marine Subwoofer with RGB LED lighting (Sport - White)

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600W Peak (300W RMS) 10" Signature Series 3i Marine Subwoofer with RGB LED lighting (Sport - White)

• Peak Power: 600 watts
• RMS Power: 300 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohms
• Mount depth: 5.24"
• Sensitivity: 86 dB

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• Peak Power: 600 watts
• RMS Power: 300 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohms
• Mount depth: 5.24"
• Sensitivity: 86 dB

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Price: $399.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Dual 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$149.99

$99.99

Add to cart
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$99.99

$69.99

Add to cart
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$109.99

$59.99

Add to cart
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$89.99

$59.99

Add to cart
NVX 20 ft. of True Spec 8 Gauge Speaker Wire

Flexible multi-strand cable bends and twists to meet your installation needs.

$64.99

$49.99

Add to cart
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$236.95

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$7.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$8.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart

Fusion SG-S103SPG

600W Peak (300W RMS) 10" Signature Series 3i Marine Subwoofer (Sport - Gray)

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600W Peak (300W RMS) 10" Signature Series 3i Marine Subwoofer (Sport - Gray)

• Peak Power: 600 watts
• RMS Power: 300 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohms
• Mount depth: 5.24"
• Sensitivity: 86 dB

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FREE shipping to VA. Delivers Apr. 10 - Apr. 17

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Was $519.99 Details
$399.99

Available

Ships in 10-14 days

• Peak Power: 600 watts
• RMS Power: 300 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohms
• Mount depth: 5.24"
• Sensitivity: 86 dB

SG-S103SPG small

Item added to your cart.

Price: $399.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Dual 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$149.99

$99.99

Add to cart
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$99.99

$69.99

Add to cart
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$109.99

$59.99

Add to cart
Single 10" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$89.99

$59.99

Add to cart
NVX 20 ft. of True Spec 8 Gauge Speaker Wire

Flexible multi-strand cable bends and twists to meet your installation needs.

$64.99

$49.99

Add to cart
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$236.95

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$7.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$8.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart

Fusion MS-ARX70B

Wireless marine stereo remote (Black)

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Wireless marine stereo remote (Black)

• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in White

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• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in White

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Item added to your cart.

Price: $54.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Fusion MS-ARX70W

Wireless marine stereo remote (White)

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Wireless marine stereo remote (White)

• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in Black

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FREE 3-day shipping to VA. Get it Tue, Apr. 2

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• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in Black

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Item added to your cart.

Price: $54.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Fusion MS-BT100

Bluetooth Audio Adapter with RCA Outputs

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Bluetooth Audio Adapter with RCA Outputs

• Cable Length: 5 Ft. (1.5m)
• Voltage: 10-16V DC
• Draw: 20mA
• Compatible With Bluetooth A2DP V3.0
• Operating Range: 33 ft.
• Waterproof Rating: IP65
• Dimensions: 2-5/16"W x 1-11/16"D x 9/16"H

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• Cable Length: 5 Ft. (1.5m)
• Voltage: 10-16V DC
• Draw: 20mA
• Compatible With Bluetooth A2DP V3.0
• Operating Range: 33 ft.
• Waterproof Rating: IP65
• Dimensions: 2-5/16"W x 1-11/16"D x 9/16"H

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Price: $47.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Fusion MS-BB100V2

Marine Black Box Digital Media Receiver with Bluetooth and Wired Remote Control

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Marine Black Box Digital Media Receiver with Bluetooth and Wired Remote Control

• Custom Fit Bluetooth Digital Media Receiver
• Compact Form Factor Allows for Easy Installation on Your Boat, ATV, UTV or other Personal Craft
• Works with iPod/iPhone and Android/Windows Media phones via Bluetooth
• 3 sets of 3 volts preamp outputs
• 3 Band EQ

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• Custom Fit Bluetooth Digital Media Receiver
• Compact Form Factor Allows for Easy Installation on Your Boat, ATV, UTV or other Personal Craft
• Works with iPod/iPhone and Android/Windows Media phones via Bluetooth
• 3 sets of 3 volts preamp outputs
• 3 Band EQ

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Price: $309.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart

Fusion ERX400

Wired Remote control to select Fusion Apollo Series Marine Stereos

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Wired Remote control to select Fusion Apollo Series Marine Stereos

• Remote Control is a IPX6 and IPX7 weather resistance
• 2.7” Color LCD with Black Facia
• Shallow Mount Design
• Compatible with a Variety of Fusion Apollo Receivers

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• Remote Control is a IPX6 and IPX7 weather resistance
• 2.7” Color LCD with Black Facia
• Shallow Mount Design
• Compatible with a Variety of Fusion Apollo Receivers

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Price: $249.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Fusion NRX300

Wired Remote Control for All Fusion Marine Stereos

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Wired Remote Control for All Fusion Marine Stereos

• NMEA 2000-certified remote/repeater
• 2.6” monochrome LCD screen
• IPx7 waterproof rating
• Multi‐Zone technology
• Plug-and-play setup

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• NMEA 2000-certified remote/repeater
• 2.6” monochrome LCD screen
• IPx7 waterproof rating
• Multi‐Zone technology
• Plug-and-play setup

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Price: $219.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Fusion MS-RA770

Apollo Series Touchscreen Marine Digital Media Receiver with Bluetooth, and Built-in Wi-Fi (Sirius XM Ready)

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Apollo Series Touchscreen Marine Digital Media Receiver with Bluetooth, and Built-in Wi-Fi (Sirius XM Ready)

• 4.3" Capacitive Touchscreen Display
• 3 sets of 5.5 volts preamp outputs
• 3 Band Equalizer
• SiriusXM Satellite Radio Ready
• Multi-zone control
• IPx7 water-resistant front panel

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$699.99

In stock

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Price: $699.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart

Fusion XS-F77CWB

480W Peak (120W RMS) 7.7" XS Series 2-Way Marine Coaxial Speakers

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480W Peak (120W RMS) 7.7" XS Series 2-Way Marine Coaxial Speakers

• 240 watts Peak Each, 60 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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$219.99 /pair

In stock

Only 2 Left!

• 240 watts Peak Each, 60 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

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Item added to your cart.

Price: $219.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
23 ft. Belva Speaker Wire (CCA)

23 ft 16 Gauge Speaker Wire (CCA)

$24.99

$12.99

Add to cart

Fusion MS-RA60

Marine Digital Media Receiver with Bluetooth

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Marine Digital Media Receiver with Bluetooth

• Single DIN Bluetooth Digital Media Receiver
• 2.3" LCD Text Display
• Works with iPod/iPhone, plus Android and Windows phones via Bluetooth
• Daylight viewable display
• 3 sets of 5.5 volts preamp outputs
• 3 Band EQ

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• Single DIN Bluetooth Digital Media Receiver
• 2.3" LCD Text Display
• Works with iPod/iPhone, plus Android and Windows phones via Bluetooth
• Daylight viewable display
• 3 sets of 5.5 volts preamp outputs
• 3 Band EQ

MS-RA60 small

Item added to your cart.

Price: $199.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart
Belva BMRC3W

Flip-up Water and UV-Resistant Marine Radio Cover. Protect Your Stereo From the Water and Sun Fading

$19.99

$14.99

Add to cart

Fusion PS-A302B Panel Radio

Marine Digital Media Receiver with Bluetooth, and Digital Signal Processing (DSP) for Boats and RVs

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Marine Digital Media Receiver with Bluetooth, and Digital Signal Processing (DSP) for Boats and RVs

• Custom Fit Bluetooth Digital Media Receiver
• Built in Speakers
• Works with iPod/iPhone, plus Android and Windows phones via Bluetooth
• Sealed enclosure, IP65 water-resistant
• 1 set of 5.5 volts preamp outputs
• Two Rear Auxiliary Input

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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$349.99

In stock

Only 2 Left!

• Custom Fit Bluetooth Digital Media Receiver
• Built in Speakers
• Works with iPod/iPhone, plus Android and Windows phones via Bluetooth
• Sealed enclosure, IP65 water-resistant
• 1 set of 5.5 volts preamp outputs
• Two Rear Auxiliary Input

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Item added to your cart.

Price: $349.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart

Fusion MS-RA70NSX

Marine Digital Media Receiver with Bluetooth (Sirius XM Ready)

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Marine Digital Media Receiver with Bluetooth (Sirius XM Ready)

• Single DIN Bluetooth Digital Media Receiver
• TFT-LCD Display
• Works with iPod/iPhone, plus Android and Windows phones via Bluetooth
• 3 sets of 3 volts preamp outputs
• 3 Band EQ
• SiriusXM Satellite Radio Ready
• IPx7 water-resistant front panel

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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$319.99

In stock

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Item added to your cart.

Price: $319.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart
Belva BMRC3W

Flip-up Water and UV-Resistant Marine Radio Cover. Protect Your Stereo From the Water and Sun Fading

$19.99

$14.99

Add to cart

Fusion XS-F40CWB

240W Peak (60W RMS) 4" XS Series 2-way Marine Coaxial Speakers

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240W Peak (60W RMS) 4" XS Series 2-way Marine Coaxial Speakers

• 120 watts Peak Each, 30 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 87 dB

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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$129.99 /pair

In stock

Only 2 Left!

• 120 watts Peak Each, 30 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 87 dB

XS-F40CWB small

Item added to your cart.

Price: $129.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
23 ft. Belva Speaker Wire (CCA)

23 ft 16 Gauge Speaker Wire (CCA)

$24.99

$12.99

Add to cart

Fusion SG-DA41400

1400W Peak (880W RMS) Signature Series Class-D 4-channel Marine Amplifier

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1400W Peak (880W RMS) Signature Series Class-D 4-channel Marine Amplifier

• 150 watts x 4 channel @ 4 ohms
• 220 watts x 4 channel @ 2 ohms
• Bridged: 440 watts x 2 channel @ 4 ohms
• Total RMS Power: 880 watts
• Class D 2 ohms Stable 4-Channel Amplifier

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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$449.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Belva BAK44BL

Complete 4-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$79.99

$39.99

Add to cart
NVX XAPK4

4 Gauge 100% (OFC) Oxygen Free Copper Amplifier Power Wiring Kit with Speaker Wire

$114.99

$84.99

Add to cart
Stinger SK4241

4 Gauge Power Amplifier Installation Kit

$129.00

$64.99

Add to cart
Stinger SK6241

4 Gauge Power Amplifier Installation Kit

$159.00

$79.99

Add to cart
Universal Remote Bass Level Control Knob

Flush Mount & Universal via RCA. Works with any amp, controls your bass output

$14.99

$7.99

Add to cart
4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

The XLOC44X helps you easily integrate with your factory or aftermarket system

$149.99

$64.99

Add to cart
NVX XIX45 X-Series RCA Interconnect Cable

16.4 ft. of 4-Channel X-Series RCA Cable with Dual Twisted Pair Hyper-Flex Technology

$44.99

$20.99

Add to cart
NVX V-Series RCA Interconnect Cable

19 ft. of 4-Channel RCA cable with dual twisted-pair conductors

$32.99

$15.99

Add to cart
NVX XWS1275 Speaker Wire

75 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$124.99

$59.99

Add to cart
Stinger SPP680

680 Amp SPP Series Dry Cell Battery with Protective Steel Case

$269.00

$173.99

Add to cart
80 Amp Smart Relay Isolator (XSBI80)

Smart isolator - Monitors and auto-charging feature!

$49.99

$24.99

Add to cart
80 Amp Relay Isolator (BIR80)

Great for isolating a second batter making it dedicated to the stereo system

$19.99

$14.99

Add to cart
200 Amp Smart Relay Isolator (XSBI200)

Smart isolator - Monitors and auto-charging feature!

$79.99

$54.99

Add to cart
500 Amp Smart Relay Isolator (XSBI500)

Smart isolator - Monitors and auto-charging feature!

$99.99

$74.99

Add to cart
500 Amp Relay Isolator (BIR500)

Does not create a voltage drop to the second battery like conventional isolators

$89.99

$65.99

Add to cart
NVX XCAP1F

True 1.0 Farad 20V Capacitor with Digital Read-out, Built-in Distribution Block

$124.99

$89.99

Add to cart
Belva BB1D

1.0 Farad Capacitor with Digital Red Display for up to 1000W Max

$79.99

$34.95

Add to cart
Belva Nine Function Digital Multimeter

Perfect for any installation and troubleshooting

$29.99

$9.99

Add to cart
Six Function Digital Multimeter

Perfect for every toolbox

$14.99

$6.99

Add to cart
Steve Meade Designs IM-SG

Impedance Meter / Signal Generator

$461.99

$451.99

Add to cart
SMD DD-1 Distortion Detector

Set your gains like a Pro, accurately and quickly

$207.99

$199.99

Add to cart
SMD CC-1 Crossover Calibrator

This is a must have! Set your crossover frequency like a Pro

$195.99

$192.99

Add to cart
Universal Positive/Negative 1/0 or 4 Gauge Battery Terminal

Make installation a breeze with the XBTU

$24.99

$16.99

Add to cart
World's Smallest AFS / Mini ANL Fuse Holder

Accepts 4 gauge or 8-gauge wire

$19.99

$10.99

Add to cart
4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder

4/8 Gauge Mini ANL (MANL, AFS) Fuse Holder

$9.99

$6.99

Add to cart
High Quality Element Resistant AGU Fuse Holder

Belva BAGUH2 AGU Fuse Holder

$9.99

$4.99

Add to cart
4/8 Gauge AGU Fuse Holder

4/8 Gauge AGU Fuse Holder

$9.99

$6.99

Add to cart
Modular Linkable ANL Fuse Block

Modular Linkable ANL Fuse Block

$59.99

$16.99

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ANL/Mini-ANL Fuse Holder with 1/0 or 4 Gauge Input and Output

No-fail termination and current flow, it helps keep your system protected and running smoothly

$24.99

$13.99

Add to cart
4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder

4/8 Gauge Mini-ANL/MANL/AFS Fuse Holder

$9.99

$8.99

Add to cart
4 Pack of 80 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 80A Nickel Plated Fuses

$8.99

$3.99

Add to cart
4 Pack of 100 Amp Nickel-Plated MANL Fuse

Mini-ANL (MANL/AFS) 100A Nickel Plated Fuses

$8.99

$3.99

Add to cart
2 Pack of 100 Amp Nickel-Plated ANL Fuse

ANL 100A Nickel plated for better power transfer

$7.99

$3.99

Add to cart
2 Pack of 200 Amp Nickel-Plated ANL Fuse

Two fuses per order. High quality 200 Amp ANL Fuses

$7.99

$3.99

Add to cart
2 Pack of 300 Amp Nickel-Plated ANL Fuse

Two fuses per order. High quality 300 Amp ANL Fuses

$7.99

$3.99

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Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

Great for amplifiers that do not accept a large gauge power wire

$14.00

$9.99

Add to cart
Pair of 4 Gauge Spade Terminals, #8 Opening

Spade Terminals • 4 Gauge • 1 Red & 1 Black • Nickel Plated

$3.99

$1.99

Add to cart
4 Gauge Ring Terminals with 3/8" Opening (5 Pieces)

4 Gauge Ring Terminals with 3/8" Opening (5 Pieces)

$9.99

$2.99

Add to cart
5 Pack of Black 4 Gauge Ring Terminals

5 Pack of Black 4 Gauge Ring Terminals

$6.99

$3.99

Add to cart
(4-pack) 4 Gauge Solid Copper Ring Terminals with Shrink Tubing

(4-pack) 4 Gauge Solid Copper Ring Terminals with Shrink Tubing

$9.99

$9.99

Add to cart
XIX2025 Strapping RCA

0.25 Meter (0.86 ft) Hyper-Flex RCA cable w/ Serpentine-Cut Nickel Plated Connectors

$19.99

$12.99

Add to cart
NVX VUBT2

Universal Bluetooth Audio Receiver

$49.99

$39.99

Add to cart
Marine Grade Bluetooth Audio Controller/Receiver

Marine Grade Bluetooth Audio Controller/Receiver

$62.49

$48.99

Add to cart
NVX XUBT3

Universal Bluetooth Audio Receiver & Volume/Playback Controller Knob

$99.99

$59.99

Add to cart

Fusion MS-SRX400

Marine Digital Media Receiver with Bluetooth, Digital Signal Processing and Built-in Wi-Fi

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Marine Digital Media Receiver with Bluetooth, Digital Signal Processing and Built-in Wi-Fi

• Custom Fit Bluetooth Digital Media Receiver
• 2.7" TFT-LCD Display
• Works with iPod/iPhone, plus Android and Windows phones
• IPX7 water-resistant face
• 3 sets of 2 volts preamp outputs
• 3 Band EQ
• Built in WiFi

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FREE 2-day shipping to VA. Get it Sat, Mar. 30

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$369.99

In stock

Only 2 Left!

• Custom Fit Bluetooth Digital Media Receiver
• 2.7" TFT-LCD Display
• Works with iPod/iPhone, plus Android and Windows phones
• IPX7 water-resistant face
• 3 sets of 2 volts preamp outputs
• 3 Band EQ
• Built in WiFi

MS-SRX400 small

Item added to your cart.

Price: $369.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XQC302

Dual USB Quick Charge 3.0 Car Charger with LED Digital Voltmeter

$29.99

$14.99

Add to cart

Fusion Mounting Brackets

Flat-mount brackets for mounting select Fusion marine tower speakers

XS-MNTFL big
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Flat-mount brackets for mounting select Fusion marine tower speakers

• Durable aluminum alloy mounting brackets
• User-adjustable to fit different wake tower bar diameters
• UV-stable and salt fog-resistant
• Quick and simple to install

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FREE shipping to VA. Delivers Apr. 10 - Apr. 17

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$99.99

Available

Ships in 10-14 days

• Durable aluminum alloy mounting brackets
• User-adjustable to fit different wake tower bar diameters
• UV-stable and salt fog-resistant
• Quick and simple to install

XS-MNTFL small

Item added to your cart.

Price: $99.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

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