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Belva marine products, like amps, speakers, and accessories are a solid option for your boating needs.

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Refers to the diameter of the subwoofer, measured in inches.
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The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
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The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
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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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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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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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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.

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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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Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
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This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
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This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
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Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
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Belva BAWPC1

Waterproof Cover for use with BAWPL

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Waterproof Cover for use with BAWPL

• Waterproof Cover for use with Belva BAWPL
• Material: Plastic
• Color: Black

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$1.99

In stock

• Waterproof Cover for use with Belva BAWPL
• Material: Plastic
• Color: Black

Waterproof Marine Grade Cigarette Lighter Socket (Female) (Belva BAWPL)

12V-16V Locking Cigarette Lighter Port/Socket for Car Charger Power; Great for Cars, Trucks, SUV, ATV/UTV, SSV

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12V-16V Locking Cigarette Lighter Port/Socket for Car Charger Power; Great for Cars, Trucks, SUV, ATV/UTV, SSV

• 12V - 16V Volt Waterproof Locking Cigarette Lighter Port
• Multiple Mounting Options

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$2.99

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• 12V - 16V Volt Waterproof Locking Cigarette Lighter Port
• Multiple Mounting Options

Belva BAWPC2

Waterproof Cover for use with BA2USB (Black)

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Waterproof Cover for use with BA2USB (Black)

• Waterproof Cover for use with Belva BA2USB
• Material: Plastic
• Color: Black

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Fast 3-day shipping to VA. Get it Wed, Apr. 3

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• Waterproof Cover for use with Belva BA2USB
• Material: Plastic
• Color: Black

Belva BMSS10RW with VADM2

10" Shallow Marine Subwoofer With Multicolor RGB Lights + Class D 2-Channel Marine Amplifier

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10" Shallow Marine Subwoofer With Multicolor RGB Lights + Class D 2-Channel Marine Amplifier

• Two 10" Dual 4-ohm Subwoofers
• RGB Lights with Remote
• Waterproof Polypropolene Cone
• Marine Certified 2-Channel Micro Class D Amplifier
• 3-Way System Protection
• Extremely Small Footprint

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$269.97

In stock

• Two 10" Dual 4-ohm Subwoofers
• RGB Lights with Remote
• Waterproof Polypropolene Cone
• Marine Certified 2-Channel Micro Class D Amplifier
• 3-Way System Protection
• Extremely Small Footprint

(2)BMSS10RW, VADM2 small

Item added to your cart.

Price: $269.97

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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 BAK82

Complete 8 Gauge Amplifier Wiring Kit with 2-Channel RCA Interconnects

$49.99

$29.99

Add to cart
NVX XKIT82 8-Gauge Wiring Kit

In case you didn't know, NVX has top notch wire and this kit has everything you need!

$99.99

$64.99

Add to cart
20 Square Feet of Sound Dampening Material

NVX Sound dampening is thicker than competitors, eliminates rattles and gives you bigger bass!

$89.99

$59.99

Add to cart
Dynamat Sound Dampening Trunk Kit

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

$236.95

$149.95

Add to cart
Stinger Sound Dampening Trunk Kit

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for your whole trunk!

$209.00

$92.99

Add to cart
NVX XBG3PK 1/0 Gauge OFC Big 3 Upgrade Kit

Comes with everything you need to upgrade your power and ground wire.

$114.99

$99.99

Add to cart
2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

$9.99

$7.99

Add to cart
Five Piece Installer Panel Removal Tool Kit

Installer's Panel Removal Installation Tool Kit for Car Stereo, Speakers and Car Audio Installs

$18.99

$11.99

Add to cart
SMD DD-1 Distortion Detector

Set the gain of an audio amplifier quickly and accurately

$207.99

$199.99

Add to cart
Impedance Meter / Signal Generator

Easy to locate tuning frequencies of passive radiators and ported enclosures

$461.99

$451.99

Add to cart

(2) Belva BMS12RW with Belva BXD3K

12" Marine Subwoofer With Multicolor RGB Lights + Class-D Monoblock Amplifier with Bass Remote

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12" Marine Subwoofer With Multicolor RGB Lights + Class-D Monoblock Amplifier with Bass Remote

• Peak Power: 1000 W
• RMS Power: 400 W
• RGB Lights with Remote
• Waterproof Polypropolene Cone
• Class D 1 ohms Stable Monoblock

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$260.07

In stock

• Peak Power: 1000 W
• RMS Power: 400 W
• RGB Lights with Remote
• Waterproof Polypropolene Cone
• Class D 1 ohms Stable Monoblock

(2)BMS12RW, BXD3K small

Item added to your cart.

Price: $260.07

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
40 Square Feet of Sound Dampening Material

Thicker than the competition, complete sound damping kit for entire vehicle! Use for trunk, doors, roof and floor.

$279.99

$89.99

Add to cart
Dynamat Sound Dampening Bulk Kit

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

$383.95

$235.99

Add to cart
Stinger Sound Dampening Bulk Kit

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for the whole car!

$219.00

$140.99

Add to cart
NVX XBG3PK 1/0 Gauge OFC Big 3 Upgrade Kit

Comes with everything you need to upgrade your power and ground wire.

$114.99

$99.99

Add to cart
2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

$9.99

$7.99

Add to cart
Five Piece Installer Panel Removal Tool Kit

Installer's Panel Removal Installation Tool Kit for Car Stereo, Speakers and Car Audio Installs

$18.99

$11.99

Add to cart
SMD DD-1 Distortion Detector

Set the gain of an audio amplifier quickly and accurately

$207.99

$199.99

Add to cart
Impedance Meter / Signal Generator

Easy to locate tuning frequencies of passive radiators and ported enclosures

$461.99

$451.99

Add to cart
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    Belva Other Marine Products Information

    When you are searching for marine products, Belva has your solution. With a selection of marine amplifiers, speakers, and accessories, Belva's line-up is second to none. Start your marine products search with Belva.
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    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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