BOSS Audio Systems NXD5500 Onyx 5500-Watts Monoblock Class D 1

BOSS Audio Systems NXD5500 Onyx 5500-Watts Monoblock Class D 1 Channel 1 Ohm Stable Amplifier with Remote Subwoofer Level Control
- Amplifier Class: Class D
- Technology: Digital
- Number of Output Channels: 1
- Total Power: 5500 Watts
- Max Power @ 1 Ohm: 5500 Watts x 1
- Max Power @ 2 Ohms: 4000 Watts x 1
- Max Power @ 2 Ohms, when strapped with same model amplifier: 11000 Watts
- RMS Power @ 4 Ohms: 2300 Watts x 1
- Monoblock Onyx amplifier with Class D power supply
- Delivers 5500 Watts at 2 ohms; 4000 Watts at 4 ohms
- Low level inputs with variable gain control
- Low-pass variable crossover; subsonic filter; 18dB bass boost
- Line outs for system building; includes remote sub control
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Class D Topology

A class-D amplifier, or switching amplifier, is an electronic amplifier where all power devices (usually MOSFETs) are operated as binary switches. They are either fully on or fully off. Ideally, zero time is spent transitioning between those two states. In this way, power loss is significantly reduced, making a D class amplifier anywhere from 75% to 95% efficient. To maintain high efficiency, the filter is made with purely reactive components (inductors and capacitors), which store the excess energy until it is needed instead of converting some of it into heat. Some other advantages include reduction in size and weight, reduced power waste as heat dissipation and hence smaller (or no) heat sinks, and reduction in cost due to smaller heat sink and compact circuitry.
General Features
- Thermal, overload, and speaker short connection
- Soft turn-on circuit
- Remote turn-on / turn-off circuit
- Input voltage sensitivity selector
- Nickel plated RCA low level inputs
- Nickel plated speaker and power terminals
- LED power and protection indicators
- Gunmetal aluminum heatsink
MOSFET Power Supply

Metalâ€“Oxideâ€“Semiconductor Field-Effect Transistor is a transistor used for amplifying or switching electronic signals in our computers, our telephones, game consoles, cars, electrical appliances, and in this case, our amplifiers. They are found in systems where information is processed or stored. A MOSFET is basically an electrical switch that allows the flow of electrical current. An electrical switch has two possible states, on or off. This is where the MOSFET performs its most important role in our D Class amplifiers, by allowing or preventing the flow of power and creating an efficient amplifier.

1 Ohm Stable

The NXD5500 is a one ohm stable amplifier which is able to continuously power loads of one ohm X one channel without encountering difficulties such as overheating. Almost all car amplifiers are at least four ohm stable and some are two ohm stable. One ohm stable amplifiers are typically made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to perform.

Low Level Inputs With Pre-Amp Outputs
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Low Level Inputs With Pre-Amp Outputs

A low level input is measured in volts. It comes in the form of RCA (low level) outputs on the back of your head unit and goes to the RCA inputs on your amplifier (Right/Left). With that in mind, you can take control of more power by connecting more amplifiers together using the RCA pre-amp outputs (Right/Left) from your primary amplifier straight to the RCA inputs of a second or satellite amplifier (Right/Left).

Variable Subsonic Filter
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Variable Subsonic Filter

Subwoofers start to bottom out trying to reproduce low-frequency signals that are below their abilities to sound off. Bottoming out is more a mechanical problem and happens when the subwoofer driver reaches the limit of its excursion and creates a clacking or flapping sound instead of the low frequency entering its voice coils. If your sub is bottoming out, short of changing the driver into one that has better low-frequency handling, you can try the NXD5500 which has a subsonic filter to filter out frequencies below its specified low frequency limits.

Variable Crossover
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Variable Crossover

Subwoofers reproduce sound based low range frequencies. This process is called the crossover effect and occurs because the vast majority of audio systems cannot cover the entire spectrum sufficiently to minimize sound distortion and maintain an appropriate frequency ratio. In the case of our NXD5500 amplifier, a variable crossover is offered so that you, the listener, can have the ability to set the frequency at which the crossover occurs, thereby setting precise sound specifications on your subwoofer.

Strapping Capable
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Strapping Capable

You are able to strap your NXD5500 amplifier to another NXD5500 amplifier and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.

For any further queries please contact BOSS's Customer Support Number @ 1-800-999-1236.

Variable Bass Boost
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Variable Bass Boost

With the NXD5500 amplifier you have Variable Bass Boost, which gives you control of exactly how much bass you want to pump out to your subwoofer(s).

Country	USA
Brand	BOSS Audio Systems
Manufacturer	Boss Audio Systems, Inc.
Binding	Wireless Phone Accessory
ItemPartNumber	NXD5500
Model	NXD5500
Warranty	SIX YEARS
ReleaseDate	2010-03-01
UPCs	791489113700
EANs	0791489113700

BOSS Audio Systems NXD5500 Onyx 5500-Watts Monoblock Class D 1 Channel 1 Ohm Stable Amplifier with Remote Subwoofer Level Control

Class D Topology

General Features

MOSFET Power Supply

1 Ohm Stable

Low Level Inputs With Pre-Amp Outputs

Variable Subsonic Filter

Variable Crossover

Strapping Capable

Variable Bass Boost

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