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  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Amplifiers
  4. Discontinued Class-D Amplifiers

Discontinued Class-D Amplifiers

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Amplifier Class

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.
Number of Channels
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 Output
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.
Total Peak Power Output
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.
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
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.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

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
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.
Maximum Input Gauge Size
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.
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EXCLUSIVE

Hifonics Brutus BXi 2608D R/B + Amplifier Kit

2600W RMS Class D Monoblock Brutus BXi Series Amplifier with 0 Gauge Amplifier Kit (BXi2608D)

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Hifonics Brutus BXi 2608D R/B + Amplifier Kit

2600W RMS Class D Monoblock Brutus BXi Series Amplifier with 0 Gauge Amplifier Kit (BXi2608D)

Brutus BXi Series Class D Monoblock Car Amplifier • 850W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2600W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Included 4 Gauge Amp Kit

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Brutus BXi Series Class D Monoblock Car Amplifier • 850W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2600W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Included 4 Gauge Amp Kit

EXCLUSIVE

Hifonics Brutus BXi 1210D R/B + Amplifier Kit

1200W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi1210D) w/ 0 Gauge Amplifier Kit

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Hifonics Brutus BXi 1210D R/B + Amplifier Kit

1200W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi1210D) w/ 0 Gauge Amplifier Kit

• • • • • Description Coming Soon! • • • • •

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• • • • • Description Coming Soon! • • • • •

EXCLUSIVE

Rockford Fosgate Power T1500-1bd (T15001bd) + Amp Kit

1500W RMS, Power Series Compact Class bD Amplifier with 0 Gauge Amplifier Kit Included

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Rockford Fosgate Power T1500-1bd (T15001bd) + Amp Kit

1500W RMS, Power Series Compact Class bD Amplifier with 0 Gauge Amplifier Kit Included

4 ohm: 500 watts x 1 • 2 ohm: 1000 watts x 1 • 1 ohm: 1500 watts x 1 • CEA 2006 standard ratings for real-world power • High Efficiency Class bd Topology • Bass boost: 24 dB • Included 4 AWG Amp Kit

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4 ohm: 500 watts x 1 • 2 ohm: 1000 watts x 1 • 1 ohm: 1500 watts x 1 • CEA 2006 standard ratings for real-world power • High Efficiency Class bd Topology • Bass boost: 24 dB • Included 4 AWG Amp Kit

JL Audio Slash 600/1v3 Amplifier + Free High Quality NVX Amp Kit

600W RMS Monoblock Slash v3 Series Class D Car Amplifier

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JL Audio Slash 600/1v3 Amplifier + Free High Quality NVX Amp Kit

600W RMS Monoblock Slash v3 Series Class D Car Amplifier

• Peak: 600W x 1 @ 4 ohm, 600W x 1 @ 3 ohm, 600W x 1 @ 2, 600W x 1 @ 1.5 ohm
• Total RMS Power: 600W
• R.I.P.S. Power Supply
• Parametric Bass EQ
• Fully Variable Infrasonic Filter
• Dimensions: 13.40"L x 9.25"W x 2.36"H

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• Peak: 600W x 1 @ 4 ohm, 600W x 1 @ 3 ohm, 600W x 1 @ 2, 600W x 1 @ 1.5 ohm
• Total RMS Power: 600W
• R.I.P.S. Power Supply
• Parametric Bass EQ
• Fully Variable Infrasonic Filter
• Dimensions: 13.40"L x 9.25"W x 2.36"H

MTX Audio JackHammer JH600 + Amplifier Kit

1200W Max, Class D Monoblock Jack Hammer Series Amplifier w/ 4 Gauge Amplifier Kit

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MTX Audio JackHammer JH600 + Amplifier Kit

1200W Max, Class D Monoblock Jack Hammer Series Amplifier w/ 4 Gauge Amplifier Kit

JackHammer Series Class D Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1200W x 1 chan. Max • Stackable configuration • Built-in active fan cooling • Includes 4 AWG Amplifier Kit

JackHammer Series Class D Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1200W x 1 chan. Max • Stackable configuration • Built-in active fan cooling • Includes 4 AWG Amplifier Kit

EXCLUSIVE

1000W Cerwin-Vega Amplifier + Kicker Amplifier Kit Bundle

Cerwin-Vega Stroker 1000.1 Amplifier + Kicker PK4 Amplifier Kit

STKR1000.1_09PK4 big DISCONTINUED
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1000W Cerwin-Vega Amplifier + Kicker Amplifier Kit Bundle

Cerwin-Vega Stroker 1000.1 Amplifier + Kicker PK4 Amplifier Kit

1000W Cerwin-Vega Stroker 1000.1 Amplifier + Kicker PK4 Amp Kit • Stroker Series Monoblock Class GH Car Amplifier • 4 Gauge Power Amplifier Installation Kit • 1 ohm: 1000 watts x 1 Chan.

1000W Cerwin-Vega Stroker 1000.1 Amplifier + Kicker PK4 Amp Kit • Stroker Series Monoblock Class GH Car Amplifier • 4 Gauge Power Amplifier Installation Kit • 1 ohm: 1000 watts x 1 Chan.

EXCLUSIVE

Hifonics Brutus BXi 1610D R/B + Amplifier Kit

1600W RMS Brutus BXi Series Class D Monoblock Amplifier with Included 0 AWG Amplifier Kit (BXi1610D)

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Hifonics Brutus BXi 1610D R/B + Amplifier Kit

1600W RMS Brutus BXi Series Class D Monoblock Amplifier with Included 0 AWG Amplifier Kit (BXi1610D)

1600W RMS, Brutus BXi Series Class D Monoblock Amplifier • 550W x 1 Chan. @ 4 Ohm • 1100W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Included 0 AWG Amplifier Kit

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1600W RMS, Brutus BXi Series Class D Monoblock Amplifier • 550W x 1 Chan. @ 4 Ohm • 1100W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Included 0 AWG Amplifier Kit

EXCLUSIVE

Hifonics HFi1000.1D + Amplifier Kit

1000W RMS, Class D Monoblock HFi Series Amplifier (HFi 10001D) w/ 2 Gauge Amplifier Kit

HFi10001D_CK2Z big DISCONTINUED
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Hifonics HFi1000.1D + Amplifier Kit

1000W RMS, Class D Monoblock HFi Series Amplifier (HFi 10001D) w/ 2 Gauge Amplifier Kit

HFi Series Monoblock Class D Car Amplifier • 750W x 1-Chan. @ 2 Ohm • 1000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Includes Complete Amplifier Kit

4

HFi Series Monoblock Class D Car Amplifier • 750W x 1-Chan. @ 2 Ohm • 1000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Includes Complete Amplifier Kit

EXCLUSIVE

Complete Hifonics Brutus BRZ1200.1D + SHURiKEN SK-BT80 Package

Hifonics Brutus BRZ1200.1D Amp + SHURiKEN SK-BT80 + Amp Kit + Isolator + Fuse Holder + Fuses

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Complete Hifonics Brutus BRZ1200.1D + SHURiKEN SK-BT80 Package

Hifonics Brutus BRZ1200.1D Amp + SHURiKEN SK-BT80 + Amp Kit + Isolator + Fuse Holder + Fuses

Brutus Series Monoblock Class D Car Amplifier • MOSFET power supply • High Performance Battery from Shuriken • Wired HFR-3 remote bass level control included • 80 Amp Hours • 1900 Crank Amps • 200 amp Battery Isolator and Relay • Extends battery life

230

Brutus Series Monoblock Class D Car Amplifier • MOSFET power supply • High Performance Battery from Shuriken • Wired HFR-3 remote bass level control included • 80 Amp Hours • 1900 Crank Amps • 200 amp Battery Isolator and Relay • Extends battery life

EXCLUSIVE

RE Audio XTX-5000.1 + Kit + Dampening Bundle

5000W Max, Monoblock Class D XTX Series Amplifier + Kicker 0 Gauge Amp Kit + NVX Sound Damp Material

XTX-5000.1_09PKD1 big DISCONTINUED
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RE Audio XTX-5000.1 + Kit + Dampening Bundle

5000W Max, Monoblock Class D XTX Series Amplifier + Kicker 0 Gauge Amp Kit + NVX Sound Damp Material

XTX Series Monoblock Full Digital Car Amplifier • PWM MOSFET Power Supply • Wired Remote Bass Level Control Included • Variable Low-Pass Filter • Subsonic Filter • Dual Amplifier 1/0 Gauge Power Installation Kit• Designed for Systems Up to 3000W • Four 12" x 36" Pieces of Dead Shield Sound Dampening Material

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XTX Series Monoblock Full Digital Car Amplifier • PWM MOSFET Power Supply • Wired Remote Bass Level Control Included • Variable Low-Pass Filter • Subsonic Filter • Dual Amplifier 1/0 Gauge Power Installation Kit• Designed for Systems Up to 3000W • Four 12" x 36" Pieces of Dead Shield Sound Dampening Material

Kenwood KAC-8105D + Amplifier Kit

1000W Max Class D Monoblock Performance Series Power Amplifier (KAC-8105D) + 8 AWG Amp Kit

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Kenwood KAC-8105D + Amplifier Kit

1000W Max Class D Monoblock Performance Series Power Amplifier (KAC-8105D) + 8 AWG Amp Kit

Class D Monoblock Car Amplifier • 4 Ohm: 300 Watts X 1 Chan. • 2 Ohm: 500 Watts X 1 Chan. • 8 Gauge Complete Pro Series Amplifier Installation Kit • Designed Specifically For Car Audio Systems Up To 1000 Watts

75

Class D Monoblock Car Amplifier • 4 Ohm: 300 Watts X 1 Chan. • 2 Ohm: 500 Watts X 1 Chan. • 8 Gauge Complete Pro Series Amplifier Installation Kit • Designed Specifically For Car Audio Systems Up To 1000 Watts

EXCLUSIVE

Hifonics Brutus BRX2400.1D 2400W Car Amplifier + 0 Gauge Amp Kit + 1 Farad Cap

Brutus Series Class D Monoblock Bass Package

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Hifonics Brutus BRX2400.1D 2400W Car Amplifier + 0 Gauge Amp Kit + 1 Farad Cap

Brutus Series Class D Monoblock Bass Package

• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 45 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

239

• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 45 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

MB Quart XA1-1500.1D_XKIT42

1500W Monoblock X-Line Series Class D Amplifier + FREE 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

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MB Quart XA1-1500.1D_XKIT42

1500W Monoblock X-Line Series Class D Amplifier + FREE 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

• RMS: 325W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 300 Hz
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

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• RMS: 325W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 300 Hz
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

EXCLUSIVE

Hifonics TXi 1508D R/B + Amplifier Kit

1500W RMS Class D Monoblock Titan TXi Series Amplifier with Included 0 AWG Amplifier Kit (TXi1508D)

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Hifonics TXi 1508D R/B + Amplifier Kit

1500W RMS Class D Monoblock Titan TXi Series Amplifier with Included 0 AWG Amplifier Kit (TXi1508D)

Titan Series 1-Channel Class D Car Amplifier • 450W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • PWM MOSFET power supply • Wired remote bass level control included • Included 0 AWG Amplifier Kit

18

Titan Series 1-Channel Class D Car Amplifier • 450W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • PWM MOSFET power supply • Wired remote bass level control included • Included 0 AWG Amplifier Kit

Kicker KXA1200.2 (44KXA12002) + High Quality NVX Amp Kit

1200W RMS KXA Class-D 2-Channel 2-Ohm Stable Amplifier

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Kicker KXA1200.2 (44KXA12002) + High Quality NVX Amp Kit

1200W RMS KXA Class-D 2-Channel 2-Ohm Stable Amplifier

• 300 Watts RMS x 2 @ 4 ohm
•600 Watts RMS x 2 @ 2 ohm
• CEA-2006 Compliant
• Aluminum Heatsink
• Dimensions: 8-5/16" W x 11-3/16" L x 2-1/8" H

126

• 300 Watts RMS x 2 @ 4 ohm
•600 Watts RMS x 2 @ 2 ohm
• CEA-2006 Compliant
• Aluminum Heatsink
• Dimensions: 8-5/16" W x 11-3/16" L x 2-1/8" H

EXCLUSIVE

Audiobahn A18001DJ + Amplifier Kit

2500W Max, Single-Channel Class D Monoblock Car Amplifier + 1/0 Gauge Amplifier Kit + Ring Terminals

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Audiobahn A18001DJ + Amplifier Kit

2500W Max, Single-Channel Class D Monoblock Car Amplifier + 1/0 Gauge Amplifier Kit + Ring Terminals

Monoblock Class D Car Amplifier • MOSFET Power Supply • 700W RMS @ 4 ohm • 1300W RSMS @ 2 ohm • 2500W RMS @ 1 ohm • Dual Amplifier 1/0 Gauge Power Installation Kit • 3000 Watts Max • Direct-Connect Engineering

31

Monoblock Class D Car Amplifier • MOSFET Power Supply • 700W RMS @ 4 ohm • 1300W RSMS @ 2 ohm • 2500W RMS @ 1 ohm • Dual Amplifier 1/0 Gauge Power Installation Kit • 3000 Watts Max • Direct-Connect Engineering

Hifonics Brutus BRX2416.1D 2400W RMS Amp + 0 Gauge Amp Kit + 2 Farad Capacitor

Brutus Series Subwoofer Amplifier + Amp Wire Kit and Capacitor

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Hifonics Brutus BRX2416.1D 2400W RMS Amp + 0 Gauge Amp Kit + 2 Farad Capacitor

Brutus Series Subwoofer Amplifier + Amp Wire Kit and Capacitor

• RMS Power: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.9" L x 2.4" H

170

• RMS Power: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.9" L x 2.4" H

MB Quart XA1-1000.1D_XKIT42

1000W Monoblock X-Line Series Class D Amplifier + FREE 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

XA1-1000.1D_XKIT42 big DISCONTINUED
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MB Quart XA1-1000.1D_XKIT42

1000W Monoblock X-Line Series Class D Amplifier + FREE 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

• Peak : 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 300 Hz
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

124

• Peak : 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Fluid-FETS hand selected insulated MOSFETS
• Q-Stasis preamp stage with wide input range
• Elaborate preamplifier with extended control
• Frequency Response: 10 - 300 Hz
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

RE Audio ZTX-5000.1 + Kit + Dampening Bundle

5000W Max, Monoblock Class D ZTX Series Amplifier + Kicker 0 Gauge Amp Kit + NVX Sound Damp Material

ZTX-5000.1_QI25_PKD1_SDDK12 big DISCONTINUED
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RE Audio ZTX-5000.1 + Kit + Dampening Bundle

5000W Max, Monoblock Class D ZTX Series Amplifier + Kicker 0 Gauge Amp Kit + NVX Sound Damp Material

• ZTX Series Monoblock Full Digital Car Amplifier
• PWM MOSFET Power Supply
• Wired Remote Bass Level Control Included
• Variable Low-Pass Filter
• Subsonic Filter
• Dual Amplifier 1/0 Gauge Power Installation Kit
• Designed For Systems Up to 3000W
• Four 12" x 36" Pieces of Dead Shield Sound Dampening Material

• ZTX Series Monoblock Full Digital Car Amplifier
• PWM MOSFET Power Supply
• Wired Remote Bass Level Control Included
• Variable Low-Pass Filter
• Subsonic Filter
• Dual Amplifier 1/0 Gauge Power Installation Kit
• Designed For Systems Up to 3000W
• Four 12" x 36" Pieces of Dead Shield Sound Dampening Material

Kicker KXMA1200.1 (44KXMA12001) + Free High Quality Amp Wiring Kit

Marine 1-Ohm Stable Monoblock Amplifier w/ Wireless Remote Control Knob

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Kicker KXMA1200.1 (44KXMA12001) + Free High Quality Amp Wiring Kit

Marine 1-Ohm Stable Monoblock Amplifier w/ Wireless Remote Control Knob

• 600 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm (+/- 10%)
• Wireless remote bass level control included
• CEA-2006 Compliant
• Conformal-Coated Circuit Boards
• Black Anodized Aluminum Chassis
• Stainless Steel Mounting Hardware Included

124

• 600 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm (+/- 10%)
• Wireless remote bass level control included
• CEA-2006 Compliant
• Conformal-Coated Circuit Boards
• Black Anodized Aluminum Chassis
• Stainless Steel Mounting Hardware Included

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    FAQ Frequently asked questions in Discontinued Class-D Amplifiers

    Class D Amplifiers Frequently Asked Questions (FAQ)
    Class D amplifiers are a type of switching amplifier known for their high efficiency and compact size. Unlike traditional Class A, B, and AB amplifiers that use continuous analog voltage to amplify audio signals, Class D amplifiers employ a digital switching technique. This process rapidly switches the output transistors on and off, effectively turning them into binary switches that deliver the audio signal to the speaker. The switching nature of Class D amplifiers drastically reduces power wastage, resulting in higher efficiency and less heat production. As a result, Class D amplifiers are ideal for applications with limited space or power constraints, making them popular in car audio, home theater systems, and portable devices.
    Yes, modern Class D amplifiers have made significant advancements in audio fidelity and can deliver high-quality sound performance. While traditional audiophiles may have associated Class D with lower audio quality due to early models' limitations, today's Class D amplifiers have overcome many of these challenges. With advancements in switching technology, filtering, and feedback mechanisms, Class D amplifiers can now offer exceptional audio reproduction that rivals traditional Class AB amplifiers. Additionally, Class D amplifiers' efficiency and lower heat generation make them well-suited for high-power audio applications where traditional amplifiers would be impractical.
    Yes, Class D amplifiers are versatile and can power various speaker types, including subwoofers, woofers, mid-range, and tweeters. When selecting a Class D amplifier for your speakers, consider the power output (wattage) and impedance rating. Ensure that the amplifier's power rating matches or slightly exceeds your speakers' power handling capabilities to prevent underpowering or overpowering, which can lead to distortion or speaker damage. Additionally, check the amplifier's impedance range to ensure compatibility with your speakers' impedance. Most Class D amplifiers can handle both 4-ohm and 2-ohm loads, making them suitable for a wide range of speaker configurations.
    No, Class D amplifiers are known for their high efficiency, which results in significantly less heat generation compared to other amplifier classes like Class A or Class AB. The digital switching technique used in Class D amplifiers reduces power loss, resulting in a more efficient conversion of electrical energy into audio output. As a result, Class D amplifiers remain relatively cool even at high volume levels, making them suitable for space-constrained installations and applications where heat dissipation is a concern. Their cool operation also extends the lifespan of internal components and reduces the need for large heat sinks or fans.
    Yes, many Class D amplifiers support bridge mode, allowing you to increase the power output when driving a single speaker or subwoofer. In bridge mode, the amplifier combines the power output from two channels into a single channel, effectively doubling the power delivered to the speaker. However, it's essential to follow the manufacturer's guidelines and ensure that your amplifier supports bridging. Additionally, pay attention to the speaker's impedance requirements, as bridging may change the amplifier's impedance capabilities. If you're unsure or need assistance with bridging your Class D amplifier, contact Sonic Electronix's knowledgeable staff, who can help you find the right amplifier and configuration for your audio setup. With their compact size, high efficiency, and versatility, Class D amplifiers offer a compelling solution for various audio applications, delivering powerful and clear sound performance with minimal heat output.
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    Shop your 2015 Dart
    Why Use a Vehicle Fit Guide?
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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