All JBL Marine Amplifiers at Sonic Electronix

All JBL Marine Amplifiers

All marine amplifiers by JBL, including monoblock and monoblock class D, are highly rated and a great choice for your boat.
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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.

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.
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.

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.

Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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JBL MA704

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

MA704 main
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1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

• 70 Watts RMS x 4 @ 4 ohms
• 100 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 9 dB Bass Boost
• Weather Resistant and High Performance Marine Amplifier

JBL MA704

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

In stock

Only 2 Left!

$399.00 (44.87% off)
Vip Icon $219.95

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MA704 small

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

$219.95

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Belva BAK84

Complete 8 Gauge Amplifier Wiring Kit with 4-Channel RCA Interconnects

$29.99

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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 XWS1225 12 AWG Speaker Wire

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

$29.99

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JBL APEX PA454

Weather-Resistant 4-Channel Class D Powersports Amplifier

APEX PA454 main
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Weather-Resistant 4-Channel Class D Powersports Amplifier

• RMS: 45W x 4 @ 4Ω
• Peak Power Handling: 450W
• Ultra-compact Aluminum Chassis
• Conformal-Coated PCB built to withstand harsh conditions
• Dynamic Class D output power
• Full-Range Outputs and Selectable Crossovers

JBL APEX PA454

Weather-Resistant 4-Channel Class D Powersports Amplifier

Available

Ships in 1-2 weeks

$259.00 (11.22% off)
Vip Icon $229.95

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APEX PA454 small

Weather-Resistant 4-Channel Class D Powersports Amplifier

$229.95

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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 Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

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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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View all available accessories for the JBL APEX PA454.
JBL APEX PA1502

Weather-resistant and high-performance 2-channel multi-application Class D amplifier

APEX PA1502 main
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Weather-resistant and high-performance 2-channel multi-application Class D amplifier

• Weather-resistant & high-performance 2-channel multi-application Class D amplifier
• 150W x 2 @ 2Ω / 100W x 2 @ 4Ω / 300W x 1 @ 4Ω Bridged
• Total Peak Power: 750W
• Ultra-compact aluminium chasis
• Conformal coated PCB
• Dynamic Class D output power

JBL APEX PA1502

Weather-resistant and high-performance 2-channel multi-application Class D amplifier

Available

Ships in 1-2 weeks

$359.00 (10.88% off)
Vip Icon $319.95

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APEX PA1502 small

Weather-resistant and high-performance 2-channel multi-application Class D amplifier

$319.95

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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

Add
NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

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NVX XLCA2

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

$89.99

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JBL APEX PA1254

Weather-resistant & high-performance 4-channel multi-application Class D amplifier

APEX PA1254 main
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Weather-resistant & high-performance 4-channel multi-application Class D amplifier

• Weather-resistant & high-performance 4-channel multi-application Class D amplifier
• 125W x 4 @ 2Ω / 75W x 4 @ 4Ω / 250W x 2 @ 4Ω Bridged
• Total Peak Power: 1250W
• Ultra-compact aluminium chasis
• Conformal coated PCB
• Dynamic Class D output power

JBL APEX PA1254

Weather-resistant & high-performance 4-channel multi-application Class D amplifier

Available

Ships in 1-2 weeks

$449.00 (13.15% off)
Vip Icon $389.95

Item Added to Cart

APEX PA1254 small

Weather-resistant & high-performance 4-channel multi-application Class D amplifier

$389.95

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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

Add
NVX Universal Remote Level Bass Control

Controls bass level and frequency via RCA/Interconnect connectors on any amp.

$9.99

Add
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

Add

Don't see the accessory you're looking for?
View all available accessories for the JBL APEX PA1254.
JBL MA4505

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

MA4505 main
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1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

• 320 Watts RMS x 1 @ 4 ohms
• 500 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• All/High/Low Pass Crossovers
• 15-3/4" x 2-3/8" x 7-1/2"

JBL MA4505

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

In stock

$529.00 (24.40% off)
Vip Icon $399.95

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MA4505 small

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

$399.95

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Belva BAK46 6-Channel 4 Gauge Amplifier Installation Kit

Complete 6-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$59.99

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NVX XIV65 V-Series Interconnect Cable

5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable

$34.99

Add
NVX XWS1225 12 AWG Speaker Wire

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

$29.99

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Don't see the accessory you're looking for?
View all available accessories for the JBL MA4505.
JBL MA704 + Free 8 Gauge Amp Wiring Kit

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

MA704, BAK84 main
Go to item page

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

• 70 Watts RMS x 4 @ 4 ohms
• 100 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 9 dB Bass Boost
• Weather Resistant and High Performance Marine Amplifier

15
JBL MA704 + Free 8 Gauge Amp Wiring Kit

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

In stock

Only 2 Left!

$448.99 (43.34% off)
$254.39

Item Added to Cart

MA704, BAK84 small

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

$254.39

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

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

$14.99

Add
NVX XWS1625 16 AWG Speaker Wire

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

$19.99

Add
Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

Add

Don't see the accessory you're looking for?
View all available accessories for the JBL MA704 + Free 8 Gauge Amp Wiring Kit.
JBL MA4505 (Open Box, Complete)

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

MA4505 main
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1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

• 320 Watts RMS x 1 @ 4 ohms
• 500 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• All/High/Low Pass Crossovers
• 15-3/4" x 2-3/8" x 7-1/2"

JBL MA4505 (Open Box, Complete)

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

In stock

$529.00 (36.68% off)
$334.95

Item Added to Cart

MA4505 small

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

$334.95

Keep Shopping

Belva BAK46 6-Channel 4 Gauge Amplifier Installation Kit

Complete 6-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

$59.99

Add
FREE NVX XMountPro Cell Phone Mount with Select Orders

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

$14.99

Add
NVX XIV65 V-Series Interconnect Cable

5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable

$34.99

Add

Don't see the accessory you're looking for?
View all available accessories for the JBL MA4505 (Open Box, Complete).
JBL MA4505 (Open-Box, Like New)

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

MA4505 main
Go to item page

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

• 320 Watts RMS x 1 @ 4 ohms
• 500 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• All/High/Low Pass Crossovers
• 15-3/4" x 2-3/8" x 7-1/2"

JBL MA4505 (Open-Box, Like New)

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

In stock

$529.00 (33.85% off)
$349.95

Item Added to Cart

MA4505 small

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

$349.95

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

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

$14.99

Add
NVX XWS1625 16 AWG Speaker Wire

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

$19.99

Add
Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

Add

Don't see the accessory you're looking for?
View all available accessories for the JBL MA4505 (Open-Box, Like New).
JBL MA4505 + Premium NVX Amp Wiring Kit

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

MA4505, XKIT46 main
Go to item page

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

• 320 Watts RMS x 1 @ 4 ohms
• 500 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• All/High/Low Pass Crossovers
• 15-3/4" x 2-3/8" x 7-1/2"

33
JBL MA4505 + Premium NVX Amp Wiring Kit

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

OUT OF STOCK

$673.98 (36.21% off)
$429.95

Item Added to Cart

MA4505, XKIT46 small

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

$429.95

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

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

$14.99

Add
NVX XWS1625 16 AWG Speaker Wire

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

$19.99

Add
Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

Add

Don't see the accessory you're looking for?
View all available accessories for the JBL MA4505 + Premium NVX Amp Wiring Kit.
JBL MA4505 (Open Box, Complete)

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

MA4505 main
Go to item page

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

• 320 Watts RMS x 1 @ 4 ohms
• 500 Watts RMS x 1 @ 2 ohms
• Total Peak Power: 1800 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• All/High/Low Pass Crossovers
• 15-3/4" x 2-3/8" x 7-1/2"

JBL MA4505 (Open Box, Complete)

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

DISCONTINUED

$529.00 (37.62% off)

Item Added to Cart

MA4505 small

1800W Max (750WRMS)Marine Series 4 ohm Stable 5-Channel Class-D Amplifier w/ Remote Level Control

$329.99

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

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

$14.99

Add
NVX XWS1625 16 AWG Speaker Wire

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

$19.99

Add
Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

Add

Don't see the accessory you're looking for?
View all available accessories for the JBL MA4505 (Open Box, Complete).

Related Categories


JBL Marine Subwoofers JBL Marine Subwoofers

JBL All Marine Amplifiers Information

When you are in the market for great quality marine amplifiers, think of JBL. With decades of experience in the audio industry, JBL's products will meet your needs. KXM-series and other JBL marine amplifiers will help amplify your marine and audio experience.
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