Marine power amplifier

Marine power amplifier DEFAULT

Infinity Marine M4555A

Features

Compact size

Infinity Marine amplifiers feature a slim chassis and a small footprint to allow for installation in tight spaces

High- and low-level inputs

Speaker-level and low-level inputs let Infinity Marine amps integrate with just about any audio input.

Selectable Output and Variable Adjustment Crossovers

Infinity Marine amps feature selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment to allow for fine-tuning multiple system configurations.

Product Value

Infinity power and performance at an affordable price point

Cosmetic Appeal

Product family look and feel to meet the needs of our Infinity customers

Conformal-Coated PCB

Infinity Marine amplifiers are engineered to withstand harsh marine conditions, with fully “marinized” circuit boards to ensure flawless power delivery, year after year

Variable Crossovers

Onboard 12dB electronic crossovers, with selectable full-range, high-pass & low-pass switching, provide tuning options for systems of any size

Big Dynamic Power

Output power is perfectly matched to meet the needs for your Infinity marine products

Hide Specs

Sours: https://www.infinityspeakers.com/infinity-marine/INFINITY+MARINE+MA4555A.html

Features

Compact size

Compact size

JBL Marine amplifiers feature a slim chassis and a small footprint to allow for installation in tight spaces

High- and low-level inputs

High- and low-level inputs

Speaker-level and low-level inputs let JBL Marine amps integrate with just about any audio input.

Selectable Output and Variable Adjustment Crossovers

Selectable Output and Variable Adjustment Crossovers

JBL Marine amps feature selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment to allow for fine-tuning multiple system configurations.

Product Value

Product Value

JBL power and performance at an affordable price point

Cosmetic Appeal

Cosmetic Appeal

Product family look and feel to meet the needs of our JBL customers

Conformal-Coated PCB

Conformal-Coated PCB

JBL Marine amplifiers are engineered to withstand harsh marine conditions, with fully “marinized” circuit boards to ensure flawless power delivery, year after year

Variable Crossovers

Variable Crossovers

Onboard 12dB electronic crossovers, with selectable full-range, high-pass & low-pass switching, provide tuning options for systems of any size

Big Dynamic Power

Big Dynamic Power

Output power is perfectly matched to meet the needs for your JBL marine products

MA4505

JBL Marine MA4505 - White Matte - Multi-element high-performance, 5-channel amplifier - Hero

Specs & Downloads

Item# MA4505

Product Description

Weather-resistant & high-performance marine amplifiers

New weather-resistant & high-performance JBL Marine amplifiers deliver impressive power from a compact chassis designed to withstand outdoor environments. Available with 4-channel and 5-channel outputs. JBL Marine amplifiers incorporate our latest amplifier topology that includes selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment for precision system tuning. Engineered for harsh marine conditions, with power and performance to meet the needs of any outdoor audio system, JBL Marine amplifiers are the perfect match for all of your JBL marine products.

General Specifications

Max Power1800W Peak

RMS Power Output @ 2Ω (subwoofer)500W x 1, <1% THD+N

RMS Power Output @ 4Ω (subwoofer)320W x 1, <1% THD+N

RMS Power Output @ 2Ω (full-range)65W x 4, <1% THD+N

RMS Power Output @ 4Ω (full-range)45W x 4, <1% THD+N

RMS Power Output @ 4Ω Bridged (full-range)130W x 2, <1% THD+N

Signal-to-Noise Ratio (sub)>80dB (ref 1W output @ 4Ω)

Signal-to-Noise Ratio (full-range)>80dB (ref 1W output @ 4Ω)

What's in the box?

  • 1 amplifier
  • Stainless steel mounting hardware
  • Rubber inserts
  • 4 High-level input adapters
  • 3 spare fuses
  • 2 2-color brand stickers
  • Quick start guide

Reviews and Q&A

Support

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Sours: https://www.jbl.com/marine-amplifier/JBL+MARINE+MA4505.html
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Best Marine Amplifier

Mooring Marine is reader supported. When you buy through our links, we may get a commission.

Sound is important when you’re out on the open water. Having good sound quality can make the difference between enjoying a casual night out with music or listening to your music through a system that doesn’t sound any better than your phone’s speakers.

In this article, we review ten of the Best Marine Amp around. No matter your budget, you’ll find the right amp for your system here. We’ll start with the Best Marine Amplifier, the NVX VAD1000 4-channel marine amp.


Best Marine Amplifier


Our Top Pick: NVX VAD10004

NVX VAD10004

Key Points at a Glance

  • 3 Way protection
  • Marine-grade circuit board
  • 2000 Watts
  • 4 Channels
  • Powersport Certified

Dimensions

  • Dimensions: 15.2 x 9.8 x 3.2 inches
  • Weight: 6.85 pounds

The Details

NVX VAD10004 Front Panel

The NVX VAD10004-1000W RMS doesn’t have a great name, but it’s still our top choice. This 4-channel marine amp provides 2000 watts of power, which translates to a clear advantage over its competitors. For users worried about getting their sound quality at the best levels possible, this is the right amplifier for you.

Not to mention, the overall fullness of sound coming from your boat speakers will be able to blow most out of the water.

The build quality itself is excellent. The NVX has a conformally coated marine grade circuit board. This makes it easier to install the amplifier in almost any application. So consider getting this amplifier if you want your boat to sound great and resonant as soon as you launch off the docks without worrying if any rough rides will impact your speakers.  Tie it into your marine stereo, and you’ll be rocking in no time.

NVX VAD10004 Back Panel

It features a three-way protection circuitry (speaker short protection, overload, and thermal), which gives the amplifier protection from water splashes, circuitry damage, and thermal issues that might otherwise destroy it.

The input sensitivity is at 200mV-6V, which allows you to change the sound options quickly. It’s platinum-plated screw terminals protects its internal components from rust. So think about getting this amplifier if you want something to keep your speakers blasting at whatever volume you prefer.

The NVX Amplifier is the Best Marine Amplifier available.


Our Runner Up: Rockville RXM-F4 Marine 4 Channel Amplifier

Rockville RXM-F4 Marine 4 Channel Amplifier

Key Points at a Glance

  • 2000 Peak Watt Power
  • PA Microphone Included
  • RCA Preamp Line Input
  • 12dB Bass Equalization Control

Dimensions

  • Dimensions: 4 x 20 x 10.5 inches
  • Weight: 9.35 pounds

The Details

Rockville RXM-F4 Front Panel

Rockville RXM-F4 Marine 4 Channel Amplifier is an optimal choice for an amplifier at a reasonable price. It has a 2400 watt power peak, which is enough to keep your sound volume at a respectable level across multiple channels without any loss in quality.

For the version that comes with a microphone, there are auto settings in place that, in the event of an emergency, control the volume of music being played in one channel to be below any spontaneous uses of the mic, so you don’t need to fumble with levels.

And the amplifier is built for high durability and water protection. The conformal coating on the amplifier acts as another layer from temperature extremes, chemicals, dust, and moisture. Stainless screws are included to withstand the elements.

Rockville RXM-F4 Rear Panel

Additional features include the Auto-Smart turn on, mute, and delay smart start technology, a 12 dB bass equalizer. Each of these features can be used to remove unwanted frequencies and to help enhance the boat’s sound quality.

The Rockville RXM-F4 is a solid marine amp, and is our runner up choice for the Best Marine Amplifier.


Best Budget: Pyle Hydra Marine Amplifier

Pyle Hydra Marine Amplifier

Key Points at a Glance

  • Premium 4 Channel Amplifier
  • 400 Watts of Power
  • Aluminum alloy heatsink
  • Waterproof
  • RCA stereo input

Dimensions

  • Dimensions: 11.1 x 8.5 x 2.6 inches
  • Weight: 3.95 pounds

The Details

Pyle Hydra Marine Amplifier

Our budget pick is the Pyle Hydra Marine Amplifier. It is made out of aluminum alloy heatsink. This gives it enough durability to protect it from scratches while delivering the sound quality you need. For those wanting the great sound at a budget price, this is the right one for you.

Based on its construction, it’s been made to provide short protection for the boat’s electrical system. It consists of a LED light indicator and a thermal overload speaker. Added with its alloy build, this is enough materials needed to protect the amp from short circuit conditions.

With over 400 watts of power, there’s no need to worry about enhancing the boat’s sound. The amplifier features a dual adjustable input GAIN level whose power is between a 4 to 8 Ohm speaker impedance.

By being able to adjust the GAIN, users will find it easier to get the desired volume without compromising sound quality.

The RCA stereo input makes it easy to use with most speakers and sound systems that are updated for modern usage and will deliver a crisp audio output that is sure to deliver the quality you are after.

This marine amplifier has an IP 01 waterproof rating, making it great for long term use. It has gold plated speaker output terminal connectors. As a result, the amplifier is built to combat corrosion, making it a good tool to have for years to come.


JL Audio 4-Channel 400 Watt Marine Amplifier

JL Audio 4-Channel 400 Watt Marine Amp

Key Points at a Glance

  • Advanced Rollback Protection
  • NexD Switching Technology
  • 400W of power
  • Soft Start Turn On
  • Studio-grade signal processing

Dimensions

  • Dimensions: 11.2 x 8.7 x 3.8 inches
  • Weight: 4.65 pounds

The Details

JL Audio 4-Channel 400 Watt Rear Panel

Fourth on the list is the JL Audio 4-Channel 400 Watt Marine Amplifier. It consists of 400 watts of power, which is enough to tune the sound to its optimal setting regardless of channel usage, often putting out more power than listed.

For those wanting an amplifier that’s versatile and performs well once used correctly, look no further.

Consumers stated that the amplifier has a remote bass input to improve the overall heaviness of audio quality that it puts out. With its NexD technology, it gives the amplifier more efficiency once it is in use. This keeps your speakers sounding crisp and clear when you’re out on the water.

With its advanced rollback protection, the JL Marine Amplifier performs better at eliminating unwanted noise. It works by eliminating the thermal shutdown events to let the music continue playing, even during the most severe weather or environmental conditions.

It’s unique, in that most overheat and shut down randomly, but this amplifier doesn’t by way of proprietary circuitry technology that prevents it from happening almost ever without a dip in sound quality.

If the amplifier reaches an excessive operating temperature, a thermal RED light will flash, showing that peak disruption conditions have been reached. After the amplifier has time to cool down, the circuit returns to full power and will go back to normal function.


Kenwood 1177524 Compact Automotive/Marine Amplifier

Kenwood 1177524 Compact Automotive/Marine Amplifier

Key Points at a Glance

  • 400 Watts of Power
  • Bluetooth Enabled
  • 10.5 in cord
  • Easy Installation

Dimensions

  • Dimensions: 14.8 x 6.8 x 3.2 inches
  • Weight: 2.2 pounds

The Details

Kenwood 1177524 Panel Connections

Fourth on our list is the Kenwood 1177524 Compact Automotive/Marine Amplifier. This amplifier has a peak power of 400 watts, making it a great addition if you have a boat that’s under 25′ in length. And with a 10.5-inch cord, you’ll have enough length to move the remote around while adjusting the sound settings.

When in use, the amplifier has Bluetooth enabled. As a result, users can connect a phone or speakers from other devices to pair with the amplifier. Thus, giving you a radiant sound system that can be heard by other vessels nearby without being disruptive if used with nuance.

For fishermen with limited space, this is a fantastic amplifier to have. It’s small enough to be mounted anywhere. The wiring couldn’t be simpler because you’re not relying on wiring a head unit to the system, but relying on your mobile phone’s to send an audio signal to the amp.

Kenwood 1177524 Panel Controls

The amp provides a substantial amount of power to the four speakers as well. This creates more power for the mid and high range sounds as well regardless of any technical impediment that can affect most amplifiers. Based on the amps performance, functionality, value, and size, its the best alternative for short boats wanting to improve their sound for a great price.


Marine Amp Buyer’s Guide

Who Should Buy a Marine Amplifier

When out in open water, sound and communication are two things that are important to make the most out of each trip. And while some boat stereos work well without an external amplifier, users miss out on the ability to experience the full range of what their boat trips could get.

The first reason why you should buy an amplifier is obvious. If you’re picky about the sound quality or you want to adjust the sound, a marine amplifier is a necessary tool.
For example, a party boat with over 20 people would need a marine amplifier to get the sound to where it needs to be level-wise, but simply bein loud isn’t enough. An amplifier helps amplify the overall sound in conjunction with the volume.

It doesn’t matter if you’re a sound professional or a novice, you’ll find a marine amplifier does a lot to maximize what your boat’s audio system can do.

Important Features to Consider

There are some important features you should think about when getting your first amplifier. In regard to environmental noise, you might want to increase your power requirements (watts) to prevent from losing your favorite playlists to the elements.

It’s important to keep in mind the overall energy usage that your ideal set up will entail. Replacing fried or underpowered parts of systems is a headache that can be avoided by just being aware of wattage and your overall electrical system’s needs for balance.

Finally, don’t neglect the bass of your sound system. A separate amplifier and sub are more likely to work better for boosting the bass of your system than a 5-channel, all in one unit. So don’t forget to get that necessary add-on and invest in a high-quality subwoofer.

Frequently Asked Questions When Researching Amps

Are amplifiers bridgeable?

It depends on the model of the amp. If it is bridgeable, there will be a button that allows users to change the output to the bridgeable mode. The diagram will show you where to connect the output wires for bridging.

Are all amplifiers waterproof?

When looking for a new marine amplifier, check for its waterproof rating. If it’s at an IP07, then you’ll have an amplifier that is splash resistant, anything lower is susceptible to moisture in some form.

Can These be Used in the Car Stereo?

You can use some marine amplifiers in your car stereo, but it’s better to use it for its intended purpose due to the specificity of its design purpose at its price point.


Other Products We Looked At:

Pyle Hydra Marine Amplifier – Upgraded Elite Series

Pyle Hydra Marine Amplifier - Upgraded Elite Series
Next up is the Pyle Hydra Marine Amplifier – Upgraded Elite Series. This is a powerful amp with 1000 watts of power and a dual MOFSET power supply. And it has an adjustable GAIN level control of 100 Ohm (High) and 10k Ohm (Low) speaker impedance.

For easier use, the Pyle Hydra Marine Amplifier has premium RCA inputs. If your marine receiver doesn’t have an RCA output jack, you can simply connect the output leads to its high-level inputs. This gives users the ability to control their sound regardless of previous equipment.

There have been a few consumer reports regarding the waterproof issues. While it does function well, it’s not as water-resistant as advertised. Still, it makes a good backup amplifier or a replacement if your main one is in need of repairs.

Key Points at a Glance

  • High and Low pass filters
  • Crossover mode selector
  • Input Level Control

Boss Audio MR1950 Class A/B 5-Channel Full Range Weatherproof Marine Amplifier

Boss Audio MR1950 Class A/B 5-Channel Full Range Weatherproof Marine Amplifier
Crank up your sound systems with the Boss Audio MR1950 Class A/B 5-Channel Full Range Weatherproof Marine Amplifier. With the MOFSET power supply and 1950 watts of max power, this amplifier can work for your entire audio system.

This amplifier can power 4+ speakers and a subwoofer. Users can customize their sound with Bass Boost, Fixed High Pass Crossover, Variable Low Pass Crossover, and Remote Subwoofer Control. With these features, users are fully equipped to take their boat’s sound to the next level.

The Boss Audio MR1950 Marine Amplifier comes with a unique rubber door, which seals the weatherproof connectors and panel opening to give protection against the elements and prevent corrosion. Thus, making it a good alternative system for your water vessel.

Key Points at a Glance

  • Remote Subwoofer Control
  • Bridgeable
  • 1950 Watts max power

Kenwood KAC-M3001 Marine Certified Amplifier

Kenwood KAC-M3001 Marine Certified Amplifier
The Kenwood KAC-M3001 Marine Certified Amplifier is a one of a kind amplifier. Its compact performance is so small in size that it can fit in the most difficult installation areas. Also, the amplifiers have a conformal PCB that delivers added protection to prevent damp air or moisture from damaging the product.

When in use, it does perform beyond our expectations. It doesn’t get too hot, no ground noise, and it exerts so much power in a small package. With a 600 max power watt rating, its a good mid-range amplifier to have at your disposal.

There are some limitations that hinder the amplifier from reaching our top ranks. It doesn’t have passthrough options and is limited to a 200 Hz lowpass. Think about these limitations before getting the amplifier, as it might affect your boat’s overall sound quality.

Key Points at a Glance

  • 600 Max Power
  • Conformal PCB
  • 14.4 V Operating Voltage

JBL MA6004 4-Channel Full-Range Marine Amplifier

No products found.
Product Information 9

Key Points at a Glance

No products found.


BOSS Audio Systems MR1000

BOSS Audio Systems MR1000
Product Information 10

Key Points at a Glance


Conclusion

To conclude, we covered ten marine amplifiers that you can choose to enhance your boat’s audio quality. For the best marine amp, go for the NVX VAD10004-1000W RMS. It is very well built with lots of options. We chose the Rockville RXM-F4 Marine 4 Channel Amplifier as our runner-up marine amplifier. With 2000w and 4 channels, it’s a great option.

No matter what you choose, you’ll have an addition to your sound system that will be a massive improvement in quality.


Sours: https://www.mooringmarine.com/best-marine-amplifier/
Pyle PLMRA400 Marine Amplifier - Repair \u0026 Performance tests

NEWS

. .

Corrosion protection, stainless steel parts surround three compact 4-channel power plants

DAVIE, FLA., March 8, 2018 (MEDIAWIRE) – SounDigital USA, producer of award-winning, competition-grade amplifiers for the vehicle, introduced three new marine amplifiers at the KnowledgeFest trade show in Long Beach, Calif. The marine line is the company’s first foray into amplifiers designed specifically for boats and recreational vehicles.

All amplifiers feature a bridgeable four-channel, Class D architecture, which allows them to be utilized in multiple system configurations with minimal space displacement. The 400.D Marine (MSRP $299.99) is rated at 55 watts RMS per channel at four ohms and is bridgeable down to two channels. The larger 800.4D Marine 4Ω (MSRP $479.99) is measured at 110 watts per channel at four ohms, jumping to 200 watts per channel at two ohms. Its counterpart is the 800.4D Marine 2Ω (MSRP $479.99), which rates 61 watts per channel at four ohms, but can handle a one-ohm load over four channels or a two-ohm load at two or four channels.

Each amplifier features stainless-steel RCA inputs with preset high-/low-pass crossovers and gains for each pair. They are protected by conformal-coated circuit boards, stainless-steel hardware and seals around knobs and openings to prevent internal moisture.

“In talking with our dealers, we’ve found that they like to use our amplifiers in off-road and marine applications because of their size and power but worry about their longevity when exposed to the elements,” said Diogo Ianaconi, CEO of SounDigital USA. “Our new marine amplifiers solve this problem. They feature the same compact size, flexibility and generous power of our car line, but are specially designed to withstand heat, moisture and the rigors of rough roads or rough waves.”

All amplifiers are shipping in time for boating season and will be on display at the second KnowledgeFest event of the year at the Indianapolis Convention Center, March 16-18. For more information or to become an authorized SounDigital retailer, contact your local SounDigital representative or call (786) 600-1056. You can also email SounDigital at [email protected]

« Voltar
Sours: https://soundigitalusa.com/soundigital-introduces-marine-specific-amplifier-line-at-knowledgefest/

Amplifier marine power

HCP 4M

General Specs

Channels4 - 3 - 2
POWER SUPPLY
Power supply voltage / fuse:11 ÷ 15 VDC / 2 x 20 A
ldling current (power ON/OFF):1 A / 0.04 mA
[email protected] 1Ω, 14.4 VDC (Max Musical Power):21 A
Remote In:7 ÷ 15 VDC - 1 mA
ART:Automatic Remote Turn-OniOff with Speaker-ln
AMPLIFIER STAGE
Distorsion - TliD (100Hz @ 4Ω):0.01%
Bandwidth:10 ÷ 45 kHz
S/N Ratlo (A welghted @ 1 V):103 dB
Damping factor (100Hz @ 4Ω)120
Pre-ln sensitivity: 0.2 ÷ 5 VRMS
Speaker-ln sensitivity:0.8 ÷ 20 VRMS
Load impedance (MIN)
@4Ch:
@3Ch:
@2Ch:

2 Ω + 2 Ω + 4 Ω
2 Ω
4 Ω
Adjustable Crossoversyes

Output Power

OUTPUT POWER (RMS) @ 14.4 VDC, THD 1%
4Ch 55 W x 4 (4Ω)
4Ch 85 W x 4 (2Ω)
3Ch 55 W x 2 (4Ω) + 170 W x 1 (4Ω)
3Ch 85 W x 2 (2Ω) + 170 W x 1 (4Ω)
2Ch 170 W x 2 (4Ω)
OUTPUT POWER (RMS) @ 14.4 VDC, THD 10%
4Ch 65 W x 4 (4Ω)
4Ch 95 W x 4 (2Ω)
3Ch 65 W x 2 (4Ω) + 190 W x 1 (4Ω)
3Ch 95 W x 2 (2Ω) + 190 W x 1 (4Ω)
2Ch 190 W x 2 (4Ω)
CEA 2006-A RATINGS
RMS Power (4 Ω, ≤ 1 % THD+N,14.4 V): 50 W x 4 Ch
S/N Ratio (ref. 1 W output)82 dBA
Total Power RMS760 W

INPUTS / FILTERS

lnputs:PRE IN / SPEAKER IN
Pre Out FULL range (FRONT)Yes
FRONT Ch. filters FULL:Yes
Hi-Pass:80 Hz @ 12 dB/Oct
Lo-Pass:50 ÷ 500 Hz @ 12 dB/Oct
REAR Ch. filters FULL: Yes
Hi-Pass:80 Hz @ 12 dB/Oct
Lo-Pass:50 ÷ 500 Hz @ 12 dB/Oct
FRONT Ch. MONO (on/off):Yes
REAR Ch. MONO (on/off):Yes
BOOST 50 Hz (adjust):(0 / 6 / 12) dB

Physical Specs

Max size (mm/in):315 x 190 x 50
12.40 x 7.48 x 1.97
Weight (kg/lb):2.62 (5.77)

Input/Output

HCP 4MHCP 4M

Technologies

HCP 4M

D-CLASS OUTPUT STAGE

Power supply featuring multiple winding transformer, Low-ESR 105°C capacitors, D-Class 2 Ω stable output stage.

HCP 4M

CORROSION PROTECTION

Electronics components corrosion caused by exposure in wet environments is totally neutralized by the use of dedicated marinegrade (epoxy coated) PCB boards.

HCP 4M

SALT FOG TESTED

To satisfy the standards required by ASTM-B117, Hertz Marine products are tested with massive salt fog spray to ensure a complete resistance to corrosion, typical of this atmospheric agent.

HCP 4M

WATER JET TESTED

The protection grade IP64 define all the Hertz Marine products as totally protected against water jets of different entities, making them highly performant in the marine environment.

Sours: https://www.hertzaudiovideo.com/marine-amplifier-hcp4m/
Which Marine Amplifier and Why?!?! JL Audio, Skar Audio, Kicker, and DS18.

NA3-560.4 Nautic 560 Watt Amplifier

Marine Grade Protection / IPX Rating

Meets or exceeds IPX standards for waterproof and dustproof.

Low Noise Preamplifier Circuit

Q-Stasis Pre Amplifier Stage: Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortion.

RCA Inputs

Prewired to PC Board for additional protection. Leave connector cover closed on RCA jacks that are not used.

High Level Inputs

See Auto-Sense Feature.

Operation Mode

2 / 4 Channel

Crossover Type

Variable electronic crossovers allow for complete control of the sound.

Electronic Equalizer

Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers. Check specifications for specific frequencies for this amplifier.

Class / Topology

Class SQ: Multi-channel amplifiers utilize the unique MB Quart Class SQ topology. Matched with Q-Stasis the sonic accuracy and clarity exceeds standard Class A/B amplifiers.

Output Device Technology

FLUID-FETS: MB Quart output devices, FLUID-FETS are painstakingly selected for their ability to efficiently produce power and mimic the sound quality of the highest end home amplifiers.

Heat Sink

Nautic gloss white epoxy finish helps reject heat on the surface of the amplifier. Heavy duty heat-sink efficiently moves heat from the MOSFET where it can be cooled.

Power Supply

Robust marine grade MOSFET Pulse Width Modulation power supply. Allows amplifier to product efficient power without taxing the boats electrical system.

Output Connections

Connection from amplifier are sealed and grommeted.

LED System Protection Circuitry Diagnostics

Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel.

Auto Turn-On

DC SIGNAL SENSE: The DC SIGNAL SENSE switch will allow the amp to turn on when a signal is received on the RCA inputs, so an amplifier remote turn on wire is not needed to turn on the amplifier. This feature can also be turned off.

SMT Inside

With Surface Mount Technology the typical "through-hole" placement and the larger tolerances from human placement is dramatically improved. In addition, circuit engineers can design better circuits for power and sound quality as the tolerances of SMT components are superior to larger "through-hole" components. Because of their lower mass SMT components withstand shock and vibration making them perfect for audio designed for all vehicles.

Additional Features

With Surface Mount Technology the typical "through-hole" placement and the larger tolerances from human placement is dramatically improved. In addition, circuit engineers can design better circuits for power and sound quality as the tolerances of SMT components are superior to larger "through-hole" components. Because of their lower mass SMT components withstand shock and vibration making them perfect for audio designed for all vehicles.

Sours: https://mbquart.com/shop/marine/marine-amplifiers/na3-560-4-nautic-560-watt-amplifier/

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