BOSS Audio NX2800.1 Onyx 2800-watts Monoblock Class A/B 1 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control
Full Range Class A/B Topology
A class A/B amplifier uses two groups of transistors and it is generally considered to be the best compromise of the two classes - A and B - put together. A pure class A amplifier typically has an enormous amount of current flowing through its output transistors with no audio signal. A pure class B amplifier has no current flowing through its outputs with no audio signal. A class A/B amplifier is much more efficient than a class A, but without the possible distortion of a class B.
MOSFET Power Supply
A Metal–Oxide–Semiconductor Field-Effect Transistor is a transistor used for amplifying or switching electronic signals, found in systems where information is processed or stored. We use them in our computers, telephones, game consoles, cars, electrical appliances, and, in this case, amplifiers. A MOSFET is basically an electrical switch with two possible states - on or off - that allows the flow of electrical current. 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.
General Features
- Thermal and speaker short protection
- Soft turn-on circuit
- Remote turn-on/turn-off circuit
- Gunmetal aluminum heatsink
Low and High Level Inputs
There are two different ways that you can get a signal into ONYX series amplifiers: high and low level input. Low level input is measured in voltages and comes in the form of RCA outputs from the back of your receiver, going to the RCA inputs on your amplifier. High level input is measured in wattages, and comes in the form of one positive and one negative wire from the back of your receiver, going to the input terminal of your amplifier in the same wire form. Low-level (RCA) input wiring is preferred for best audio performance. Always use a high-quality RCA cable for the best audio performance. Note: Do not connect both the high and low level inputs from your receiver to your amplifier at the same time.
LED Power And Protection Indicators
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 NX2800.1 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.
Chrome-Plated RCA Low Level And High Level Inputs
Variable Bass Boost
With the NX2800.1 amplifier you have Variable Bass Boost, which gives you control of exactly how much bass you want to pump out to your subwoofer(s).
Remote Subwoofer Level Control
The [TITLE] Details
- Amazon Sales Rank: #135542 in Car Audio or Theater
- Size: 19.50in. x 12.00in. x 4.50in.
- Color: silver
- Brand: BOSS Audio
- Model: NX2800.1
- Released on: 2010-03-01
- Number of items: 1
- Dimensions: 10.00" h x 2.38" w x 15.10" l, 1.00 pounds
Features
- Amplifier Class: Class A/B
- Technology: MOSFET
- Number of Output Channels: 1
- Total Power: 2800 Watts
- Max Power @ 2 Ohms: 2800 Watts x 1
- RMS Power @ 4 Ohms: 1500 Watts x 1
- Frequency Response: 15 to 250 Hz
- Total Harmonic Distortion (THD) @ RMS Output: 0.01%
- Signal-to-Noise Ratio (SNR): 100 dB
- Minimum Speaker Impedance: 2 Ohms
- Variable Low Pass Crossover: 45 to 90 Hz
- Dimensions: 2.25"" x 15"" x 10""
- Soft Turn-On Circuit
- Thermal Overload & Speaker's Short Protection
- Remote Subwoofer Level Control
- Power & Protection LEDs
- Input Sensitivity Selector
- Monoblock Onyx amplifier with MOSFET power supply
- Delivers 2800 Watts at 2 ohms; 1500 Watts at 4 ohms
- Line and speaker level inputs with variable gain control
- Built-in low-pass variable crossover; 18dB bass boost
- Includes remote subwoofer level control
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