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JBL Marine A5055 5-Channel Marine Amplifier with 760W RMS
Product Description
Product Description
JBL Marine A5055 5-Channel Marine Amplifier with 760W RMS
The JBL Marine A5055 is a compact 5-channel marine amplifier designed to deliver powerful performance while saving valuable space. Additionally, it delivers 760 watts RMS using efficient Class AB+D amplifier technology. Moreover, adjustable crossovers, bass boost, and multiple input options provide flexible control. Therefore, you can fine-tune a complete marine audio system using one amplifier.
Compact Design for Space-Limited Setups
Space can quickly become limited when adding audio equipment to a boat. The JBL Marine A5055 features a low-profile chassis and compact footprint, helping it fit into tighter areas. Measuring 360mm x 51.3mm x 180mm, or 14-3/16 x 2-1/16 x 7-1/8 inches, it provides substantial amplification without requiring an oversized enclosure.
760 Watts RMS with Class AB+D Technology
Need one amplifier to power multiple speakers and a subwoofer? The JBL Marine A5055 combines Class AB and Class D amplifier technology to deliver high output while minimizing current draw. This 5-channel design produces 50 watts RMS x 4 plus 320 watts RMS x 1 at 4 ohms.
At 2 ohms, output increases to 75 watts RMS x 4 plus 500 watts RMS x 1. You can also run 100 watts RMS x 2 bridged at 4 ohms while supplying 500 watts RMS x 1 at 2 ohms to the subwoofer channel.
Variable Crossovers for Precise System Tuning
The JBL Marine A5055 gives you more control over how frequencies reach your speakers and subwoofer. The front and rear channels include variable high-pass and low-pass filters adjustable from 32Hz to 320Hz with a 12 dB-per-octave slope.
Meanwhile, the dedicated subwoofer channel includes a variable low-pass filter covering the same 32Hz to 320Hz range. Think of these controls like traffic directors for your audio system, sending the right frequencies toward the right speakers.
Adjustable Bass Boost and Phase Control
The dedicated subwoofer channel includes an adjustable bass boost from 0 to 12dB at 45Hz. This lets you increase low-frequency output based on your preferred system tuning.
Additionally, a 0- or 180-degree phase switch changes the subwoofer channel between non-inverted and inverted phase. This added adjustment can help you fine-tune how the subwoofer integrates with the rest of your marine audio system.
Flexible Input Level Control
The JBL Marine A5055 supports both low-level and high-level input signals. When using low-level inputs, the input sensitivity can be adjusted between 200mVrms and 4Vrms. With high-level inputs, the adjustment range extends from 1Vrms to 22Vrms.
Because it includes both preamp and speaker-level inputs, the amplifier can integrate with aftermarket and factory marine stereo systems. This flexibility makes it easier to build around the audio equipment already in your setup.
Balanced Differential Inputs for Cleaner Sound
High power means little if unwanted noise gets in the way. The JBL Marine A5055 uses Balanced Differential Inputs to help maintain low noise and distortion, even at high output levels.
This design also makes the amplifier less susceptible to line-induced radiated engine noise. As a result, your audio signal remains cleaner while the amplifier handles demanding output levels.
Built-In Protection Circuitry
The JBL Marine A5055 includes onboard protection against shorts, high temperatures, overvoltage, and undervoltage. An LED indicator alerts you when one of these conditions occurs.
This integrated protection system continuously watches key operating conditions, acting like a built-in safeguard for the amplifier during use.
Selectable Turn-On Mode
A selectable turn-on mode allows the amplifier to switch between DC and REM operation. This helps it adapt to low-level or high-level signals and provides additional flexibility when configuring remote turn-on operation.
The turn-on mode can also help protect the battery by reducing unwanted current drain when you do not expect the amplifier to power on.
Convenient RBC Wired Remote
The included RBC wired remote gives you convenient control over bass volume from the driver's seat. The package also includes a 16.5-foot remote control cable with RJ-25 plugs on both ends.
With the remote positioned within easy reach, you can make bass adjustments without accessing the amplifier directly.
Power and Fuse Requirements
The JBL Marine A5055 uses three 30A fuses and comes with six 30A ATO fuses in total. Three are installed in the amplifier, while three additional fuses are included as spares.
JBL recommends 4-gauge power and ground leads. However, the required power wiring and related hardware are not included with the amplifier.
What's in the Box?
- One JBL Marine A5055 5-channel amplifier
- Four bare wire-to-RCA adapters
- Six 30A ATO fuses, including three installed and three spare
- Remote bass control module
- 16.5-foot remote control cable with RJ-25 plugs on both ends
- Two M3 x 15mm self-tapping screws for the remote
- Four M4 x 53mm mounting screws
- Owner's Manual
- Two JBL stickers
- One logo badge
Power and Control in One Compact Amplifier
The JBL Marine A5055 brings five-channel amplification, flexible system tuning, and convenient bass control together in one compact chassis. With 760 watts RMS, variable crossovers, adjustable bass boost, multiple input options, and onboard protection, it provides a practical way to power speakers and a subwoofer from a single marine amplifier.
Frequently Asked Questions
How much power does the JBL Marine A5055 produce? The amplifier delivers 50 watts RMS x 4 plus 320 watts RMS x 1 at 4 ohms, or 75 watts RMS x 4 plus 500 watts RMS x 1 at 2 ohms. It can also deliver 100 watts RMS x 2 bridged at 4 ohms plus 500 watts RMS x 1 at 2 ohms.
Does the JBL Marine A5055 include adjustable crossovers? Yes. The front and rear channels include variable high-pass and low-pass filters adjustable from 32Hz to 320Hz. The subwoofer channel also includes a variable low-pass filter covering 32Hz to 320Hz.
Can I adjust the bass output? Yes. The subwoofer channel includes an adjustable bass boost from 0 to 12dB at 45Hz. The included RBC wired remote also provides convenient bass volume adjustment.
Does the amplifier support factory marine stereo systems? Yes. The JBL Marine A5055 includes both speaker-level and low-level inputs, allowing it to work with factory and aftermarket marine stereo systems.
What protection features are built into the amplifier? The onboard circuitry protects against shorts, high temperatures, overvoltage, and undervoltage. An LED indicator alerts you when one of these operating conditions occurs.
Features & Specs
Features & Specs
Warranty
Warranty
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Product Description
Product Description
JBL Marine A5055 5-Channel Marine Amplifier with 760W RMS
The JBL Marine A5055 is a compact 5-channel marine amplifier designed to deliver powerful performance while saving valuable space. Additionally, it delivers 760 watts RMS using efficient Class AB+D amplifier technology. Moreover, adjustable crossovers, bass boost, and multiple input options provide flexible control. Therefore, you can fine-tune a complete marine audio system using one amplifier.
Compact Design for Space-Limited Setups
Space can quickly become limited when adding audio equipment to a boat. The JBL Marine A5055 features a low-profile chassis and compact footprint, helping it fit into tighter areas. Measuring 360mm x 51.3mm x 180mm, or 14-3/16 x 2-1/16 x 7-1/8 inches, it provides substantial amplification without requiring an oversized enclosure.
760 Watts RMS with Class AB+D Technology
Need one amplifier to power multiple speakers and a subwoofer? The JBL Marine A5055 combines Class AB and Class D amplifier technology to deliver high output while minimizing current draw. This 5-channel design produces 50 watts RMS x 4 plus 320 watts RMS x 1 at 4 ohms.
At 2 ohms, output increases to 75 watts RMS x 4 plus 500 watts RMS x 1. You can also run 100 watts RMS x 2 bridged at 4 ohms while supplying 500 watts RMS x 1 at 2 ohms to the subwoofer channel.
Variable Crossovers for Precise System Tuning
The JBL Marine A5055 gives you more control over how frequencies reach your speakers and subwoofer. The front and rear channels include variable high-pass and low-pass filters adjustable from 32Hz to 320Hz with a 12 dB-per-octave slope.
Meanwhile, the dedicated subwoofer channel includes a variable low-pass filter covering the same 32Hz to 320Hz range. Think of these controls like traffic directors for your audio system, sending the right frequencies toward the right speakers.
Adjustable Bass Boost and Phase Control
The dedicated subwoofer channel includes an adjustable bass boost from 0 to 12dB at 45Hz. This lets you increase low-frequency output based on your preferred system tuning.
Additionally, a 0- or 180-degree phase switch changes the subwoofer channel between non-inverted and inverted phase. This added adjustment can help you fine-tune how the subwoofer integrates with the rest of your marine audio system.
Flexible Input Level Control
The JBL Marine A5055 supports both low-level and high-level input signals. When using low-level inputs, the input sensitivity can be adjusted between 200mVrms and 4Vrms. With high-level inputs, the adjustment range extends from 1Vrms to 22Vrms.
Because it includes both preamp and speaker-level inputs, the amplifier can integrate with aftermarket and factory marine stereo systems. This flexibility makes it easier to build around the audio equipment already in your setup.
Balanced Differential Inputs for Cleaner Sound
High power means little if unwanted noise gets in the way. The JBL Marine A5055 uses Balanced Differential Inputs to help maintain low noise and distortion, even at high output levels.
This design also makes the amplifier less susceptible to line-induced radiated engine noise. As a result, your audio signal remains cleaner while the amplifier handles demanding output levels.
Built-In Protection Circuitry
The JBL Marine A5055 includes onboard protection against shorts, high temperatures, overvoltage, and undervoltage. An LED indicator alerts you when one of these conditions occurs.
This integrated protection system continuously watches key operating conditions, acting like a built-in safeguard for the amplifier during use.
Selectable Turn-On Mode
A selectable turn-on mode allows the amplifier to switch between DC and REM operation. This helps it adapt to low-level or high-level signals and provides additional flexibility when configuring remote turn-on operation.
The turn-on mode can also help protect the battery by reducing unwanted current drain when you do not expect the amplifier to power on.
Convenient RBC Wired Remote
The included RBC wired remote gives you convenient control over bass volume from the driver's seat. The package also includes a 16.5-foot remote control cable with RJ-25 plugs on both ends.
With the remote positioned within easy reach, you can make bass adjustments without accessing the amplifier directly.
Power and Fuse Requirements
The JBL Marine A5055 uses three 30A fuses and comes with six 30A ATO fuses in total. Three are installed in the amplifier, while three additional fuses are included as spares.
JBL recommends 4-gauge power and ground leads. However, the required power wiring and related hardware are not included with the amplifier.
What's in the Box?
- One JBL Marine A5055 5-channel amplifier
- Four bare wire-to-RCA adapters
- Six 30A ATO fuses, including three installed and three spare
- Remote bass control module
- 16.5-foot remote control cable with RJ-25 plugs on both ends
- Two M3 x 15mm self-tapping screws for the remote
- Four M4 x 53mm mounting screws
- Owner's Manual
- Two JBL stickers
- One logo badge
Power and Control in One Compact Amplifier
The JBL Marine A5055 brings five-channel amplification, flexible system tuning, and convenient bass control together in one compact chassis. With 760 watts RMS, variable crossovers, adjustable bass boost, multiple input options, and onboard protection, it provides a practical way to power speakers and a subwoofer from a single marine amplifier.
Frequently Asked Questions
How much power does the JBL Marine A5055 produce? The amplifier delivers 50 watts RMS x 4 plus 320 watts RMS x 1 at 4 ohms, or 75 watts RMS x 4 plus 500 watts RMS x 1 at 2 ohms. It can also deliver 100 watts RMS x 2 bridged at 4 ohms plus 500 watts RMS x 1 at 2 ohms.
Does the JBL Marine A5055 include adjustable crossovers? Yes. The front and rear channels include variable high-pass and low-pass filters adjustable from 32Hz to 320Hz. The subwoofer channel also includes a variable low-pass filter covering 32Hz to 320Hz.
Can I adjust the bass output? Yes. The subwoofer channel includes an adjustable bass boost from 0 to 12dB at 45Hz. The included RBC wired remote also provides convenient bass volume adjustment.
Does the amplifier support factory marine stereo systems? Yes. The JBL Marine A5055 includes both speaker-level and low-level inputs, allowing it to work with factory and aftermarket marine stereo systems.
What protection features are built into the amplifier? The onboard circuitry protects against shorts, high temperatures, overvoltage, and undervoltage. An LED indicator alerts you when one of these operating conditions occurs.
