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  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Amplifiers
  4. Discontinued Monoblock Amplifiers

Discontinued Monoblock Amplifiers

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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.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
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.
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.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Brutus Series (77)
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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.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
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.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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You are currently viewing discontinued products.

Planet Audio BB2500.1 OPEN BOX COMPLETE

2500W Max Big Bang Series Monoblock Digital Class D Car Amplifier

BB2500.1 big DISCONTINUED
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Planet Audio BB2500.1 OPEN BOX COMPLETE

2500W Max Big Bang Series Monoblock Digital Class D Car Amplifier

Box torn open
• Peak: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 10-1/4"W x 6-8/9"L x 2-3/10"H

Box torn open
• Peak: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 1 Pair of Preamp Outputs
• Dimensions: 10-1/4"W x 6-8/9"L x 2-3/10"H

JL Audio e1400D FACTORY R/B

FACTORY REPAIRED - NO WARRANTY

e1400D big DISCONTINUED
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JL Audio e1400D FACTORY R/B

FACTORY REPAIRED - NO WARRANTY

500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

Hifonics BXi 2008D R/B

2000W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi2008D)

BXi2008D big DISCONTINUED
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Hifonics BXi 2008D R/B

2000W RMS Brutus BXi Series Class D Monoblock Amplifier (BXi2008D)

Brutus BXi Series Class D Monoblock Car Amplifier • 650W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 2000W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Preamp RCA outputs

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Brutus BXi Series Class D Monoblock Car Amplifier • 650W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 2000W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Preamp RCA outputs

EXCLUSIVE

Alpine + Image Dynamics High Fidelity Subwoofer Solution

Alpine SWR-12D2 12" Type-R Subwoofer + Image Dynamics Q1200.1 Q Series Monoblock Car Amplifier + NVX XKIT42 Premium Amp Kit

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Alpine + Image Dynamics High Fidelity Subwoofer Solution

Alpine SWR-12D2 12" Type-R Subwoofer + Image Dynamics Q1200.1 Q Series Monoblock Car Amplifier + NVX XKIT42 Premium Amp Kit

• 1 ohm: 1200 watts x 1 chan.
• Dual 2-Ohm Voice Coil
• Kevlar Treated Pulp Cone
• Durable HAMR Santoprene™ Surround
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 20"L x 8-1/2"W x 2-1/4"H

149

• 1 ohm: 1200 watts x 1 chan.
• Dual 2-Ohm Voice Coil
• Kevlar Treated Pulp Cone
• Durable HAMR Santoprene™ Surround
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 20"L x 8-1/2"W x 2-1/4"H

JBL GTO-1001EZ LIKE NEW DAMAGED PACKAGING

1000 Watt RMS GTO Series Class D Monoblock Amplifier

GTO-1001EZ big DISCONTINUED
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JBL GTO-1001EZ LIKE NEW DAMAGED PACKAGING

1000 Watt RMS GTO Series Class D Monoblock Amplifier

Like new Damaged Package
• 650W RMS x 1 @ 4 ohm
• 1000W RMS x 1 @ 2 ohm
• Total Peak Power: 1450W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class AB/D Circuitry
• Dimensions: 14-11/16"W x 11-15/16"L x 2-5/8"H

Like new Damaged Package
• 650W RMS x 1 @ 4 ohm
• 1000W RMS x 1 @ 2 ohm
• Total Peak Power: 1450W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class AB/D Circuitry
• Dimensions: 14-11/16"W x 11-15/16"L x 2-5/8"H

Soundstream Di475.1 R/B

475W, Class D Monoblock Amplifier (Di 475.1)

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Soundstream Di475.1 R/B

475W, Class D Monoblock Amplifier (Di 475.1)

Extreme Bass Machine Single-Channel Car Amplifier • Class D2 • 350W x 1 Chan. @ 4 ohm • 475W x 1 Chan. @ 2 ohm • Selectable Bass Boost • Speaker-Level Inputs • 3 Stage Protection Circuit • Compact Chassis and Design

Extreme Bass Machine Single-Channel Car Amplifier • Class D2 • 350W x 1 Chan. @ 4 ohm • 475W x 1 Chan. @ 2 ohm • Selectable Bass Boost • Speaker-Level Inputs • 3 Stage Protection Circuit • Compact Chassis and Design

Power Acoustik LFA1-5500D R/B

5500W Max, Class D Monoblock LFA Series Amplifier

LFA1-5500D big DISCONTINUED
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Power Acoustik LFA1-5500D R/B

5500W Max, Class D Monoblock LFA Series Amplifier

Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Class D Monoblock LFA Series Amplifier • 5500W Max • 1700W x 1 Chan. @ 4Ohm • 2500W x 1 Chan. @ 2Ohm • 3200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Power Acoustik OV1-3000D R/B

3000W Max, Gothic Series Class D Monoblock Amplifier

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Power Acoustik OV1-3000D R/B

3000W Max, Gothic Series Class D Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 1700W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 1700W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

Autotek ATX2000.1 (Factory Refurbished)

2000W Max 1-Channel Monoblock Class AB ATX Series Amplifier

ATX2000.1 big DISCONTINUED
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Autotek ATX2000.1 (Factory Refurbished)

2000W Max 1-Channel Monoblock Class AB ATX Series Amplifier

Monoblock Class AB ATX Series Car Amplifier • PWM MOSFET Power Supply • Bass Boost • Soft Start Turn-On • High Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry • Flat Panel Heatsink Design • Subsonic Filter

Monoblock Class AB ATX Series Car Amplifier • PWM MOSFET Power Supply • Bass Boost • Soft Start Turn-On • High Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry • Flat Panel Heatsink Design • Subsonic Filter

Boss CX3500D R/B

Refurbished 3500W Max Chaos Exxtreme Series Class D Monoblock Amplifier

CX3500D big DISCONTINUED
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Boss CX3500D R/B

Refurbished 3500W Max Chaos Exxtreme Series Class D Monoblock Amplifier

• Chaos Exxtreme Class D Monoblock Car Amplifier
• 1200W x 1 chan. @ 4 ohm
• 2200W x 1 chan Max
• Speaker-level inputs with soft turn-on
• Thermal and short circuit protection circuitry

• Chaos Exxtreme Class D Monoblock Car Amplifier
• 1200W x 1 chan. @ 4 ohm
• 2200W x 1 chan Max
• Speaker-level inputs with soft turn-on
• Thermal and short circuit protection circuitry

Hifonics ZRX2000.1D (Factory Refurbished)

2000W Max Class D Monoblock Zeus Series Amplifier

ZRX2000.1D big DISCONTINUED
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Hifonics ZRX2000.1D (Factory Refurbished)

2000W Max Class D Monoblock Zeus Series Amplifier

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 650 watts x 1 chan. • 2 ohm: 1300 watts x 1 chan. • 1 ohm: 2000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 650 watts x 1 chan. • 2 ohm: 1300 watts x 1 chan. • 1 ohm: 2000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

MTX Thunder Elite 1501D (TE1501D) R/B

3000W Max, Class D Monoblock Thunder Elite Amplifier

TE1501D big DISCONTINUED
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MTX Thunder Elite 1501D (TE1501D) R/B

3000W Max, Class D Monoblock Thunder Elite Amplifier

Thunder Elite Series 1-Channel Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 3000W Max • Semi Unregulated MOSFET • Fan-cooled System • Overload and thermal protection

3

Thunder Elite Series 1-Channel Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 3000W Max • Semi Unregulated MOSFET • Fan-cooled System • Overload and thermal protection

Soundstream PCX700D R/B

700W RMS, Picasso Series Class D Monoblock Amplifier

PCX700D big DISCONTINUED
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Soundstream PCX700D R/B

700W RMS, Picasso Series Class D Monoblock Amplifier

Soundstream Picasso Series Monoblock Amplifier • 350W x 1-Chan. @ 4 Ohm • 520W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 1 Ohm • PWM MOSFET Power Supply • Twin Stack Technology • Includes Bass Control Remote

Soundstream Picasso Series Monoblock Amplifier • 350W x 1-Chan. @ 4 Ohm • 520W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 1 Ohm • PWM MOSFET Power Supply • Twin Stack Technology • Includes Bass Control Remote

RE Audio USX-65KV.1 Open Box

2200W RMS Class DE Monoblock USX Series Stereo Bridgeable Car Amplifier

USX-65KV.1 big DISCONTINUED
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RE Audio USX-65KV.1 Open Box

2200W RMS Class DE Monoblock USX Series Stereo Bridgeable Car Amplifier

• RMS: 750W x 1 @ 4 ohm, 1350W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 3-Way Protection Circuitry
• Bass Boost: 0 - 20 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 22-3/4"L x 2-1/16"H

• RMS: 750W x 1 @ 4 ohm, 1350W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 3-Way Protection Circuitry
• Bass Boost: 0 - 20 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 22-3/4"L x 2-1/16"H

MB Quart RA1500.1 OPEN BOX COMPLETE

1500W Class D 1-Channel Monoblock Reference Series Amplifier

RA1500.1 big DISCONTINUED
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MB Quart RA1500.1 OPEN BOX COMPLETE

1500W Class D 1-Channel Monoblock Reference Series Amplifier

• Item Condition: Open Box Complete
• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Built-In System Diagnostics
• Variable Bass EQ: 0 to +10 dB at 45 Hz
• Class D Circuitry
• Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

• Item Condition: Open Box Complete
• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Built-In System Diagnostics
• Variable Bass EQ: 0 to +10 dB at 45 Hz
• Class D Circuitry
• Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

Boss NXD5500- Open Box

5500W Max Onyx Series Class D Monoblock Power Amplifier

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Boss NXD5500- Open Box

5500W Max Onyx Series Class D Monoblock Power Amplifier

• RMS: 2300W x 1 @ 4 ohm
• Peak: 4000W x 1 @ 2 ohm, 5500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 18-1/8" L x 10" W x 2-3/16" H

• RMS: 2300W x 1 @ 4 ohm
• Peak: 4000W x 1 @ 2 ohm, 5500W x 1 chan @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Line and Speaker Level Inputs
• Dimensions: 18-1/8" L x 10" W x 2-3/16" H

RE Audio ZTX-3000.1 OPEN BOX

1400W RMS Monoblock Class D ZTX Series Car Amplifier

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RE Audio ZTX-3000.1 OPEN BOX

1400W RMS Monoblock Class D ZTX Series Car Amplifier

• ZTX Series Monoblock Class D Amplifier
• 600W x 1 Chan. @ 4 ohm • 1000W x 1 Chan. @ 2 ohm • 1400W x 1 Chan. @ 1 ohm
• 3-Way System Protection
• 1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Variable Bass Boost 0-12 dB

• ZTX Series Monoblock Class D Amplifier
• 600W x 1 Chan. @ 4 ohm • 1000W x 1 Chan. @ 2 ohm • 1400W x 1 Chan. @ 1 ohm
• 3-Way System Protection
• 1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Variable Bass Boost 0-12 dB

Hifonics TXi 1008D R/B

1000W RMS Class D Monoblock Titan TXi Series Amplifier (TXi1008D)

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Hifonics TXi 1008D R/B

1000W RMS Class D Monoblock Titan TXi Series Amplifier (TXi1008D)

Titan Series 1-Channel Class D Car Amplifier • 350W x 1 chan. @ 4 ohm • 700W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • PWM MOSFET power supply • Wired remote bass level control included • Preamp RCA outputs

Titan Series 1-Channel Class D Car Amplifier • 350W x 1 chan. @ 4 ohm • 700W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • PWM MOSFET power supply • Wired remote bass level control included • Preamp RCA outputs

Hifonics Hercules 4K OPEN BOX COMPLETE

2000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

HERCULES 4K big DISCONTINUED
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Hifonics Hercules 4K OPEN BOX COMPLETE

2000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

Item is used, has been previously installed, and outer box is damaged < /br>• RMS Power: 900W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Built-in Parametric Equalizer
• +12dB Variable Bass Boost
• Dimensions: 19-3/4" L x 9"W x 2-3/4" H

Item is used, has been previously installed, and outer box is damaged < /br>• RMS Power: 900W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Built-in Parametric Equalizer
• +12dB Variable Bass Boost
• Dimensions: 19-3/4" L x 9"W x 2-3/4" H

Boss PH3000D- OPEN BOX

3000W Max Class D Monoblock Phantom Series Power Amplifier

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Boss PH3000D- OPEN BOX

3000W Max Class D Monoblock Phantom Series Power Amplifier

• RMS: 1200W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Low Pass Filter: 50-150 Hz
• Dimensions: 9-1/2"L x 13"W x 2-1/4H

• RMS: 1200W x 1 @ 4 ohm
• Peak: 2200W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-18 dB
• Low Pass Filter: 50-150 Hz
• Dimensions: 9-1/2"L x 13"W x 2-1/4H

Planet Audio AC3000.1D

3000W Peak (2250W RMS) Anarchy Series Class-D Monoblock Amplifier

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Planet Audio AC3000.1D

3000W Peak (2250W RMS) Anarchy Series Class-D Monoblock Amplifier

• 563 watts x 1 channel @ 4 ohm
• 1125 watts x 1 channel @ 2 ohm
• 2250 watts x 1 channel @ 1 ohm
• Strapped Bridged Power: 4500 watts X 1 channel @ 2 ohm
• Total RMS Power: 2250 watts
• Class D 1 ohm Stable Monoblock Amplifier

61

• 563 watts x 1 channel @ 4 ohm
• 1125 watts x 1 channel @ 2 ohm
• 2250 watts x 1 channel @ 1 ohm
• Strapped Bridged Power: 4500 watts X 1 channel @ 2 ohm
• Total RMS Power: 2250 watts
• Class D 1 ohm Stable Monoblock Amplifier

Rockford Fosgate Prime R1200-1D OPEN BOX COMPLETE

1200W RMS Prime Series Monoblock Class D Car Amplifier

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Rockford Fosgate Prime R1200-1D OPEN BOX COMPLETE

1200W RMS Prime Series Monoblock Class D Car Amplifier

Item is used and has been previously installed
• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Class D Circuitry
• Dimensions: 6-3/4"L x 11-1/16"W x 2"H

Item is used and has been previously installed
• RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Class D Circuitry
• Dimensions: 6-3/4"L x 11-1/16"W x 2"H

Soundstream PCA2000D R/B

2000W Max Class D Monoblock Picasso Series Amplifier

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Soundstream PCA2000D R/B

2000W Max Class D Monoblock Picasso Series Amplifier

Monoblock Picasso Series Amplifier • 1100W RMS x 1 @ 4 • 20000W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

Monoblock Picasso Series Amplifier • 1100W RMS x 1 @ 4 • 20000W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

Hifonics HFi1500D-open box

1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

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Hifonics HFi1500D-open box

1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

HFi Series Monoblock Class D Car Amplifier • 1000W x 1-Chan. @ 2 Ohm • 1500W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

HFi Series Monoblock Class D Car Amplifier • 1000W x 1-Chan. @ 2 Ohm • 1500W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

Hifonics XX Colossus

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Hifonics XX Colossus

1/2-Channel Super-D Amplifier • 1600W RMS x 2 @ 1 Ohm • 3200W RMS x 1 @ 2 Ohm • 110W RMS x 4 @ 2 Ohm • 20th Anniversary Heatsink Design • 1 Ohm Stable Stereo, 2 Ohm Stable Mono • Gold Plated RCA Connectors

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1/2-Channel Super-D Amplifier • 1600W RMS x 2 @ 1 Ohm • 3200W RMS x 1 @ 2 Ohm • 110W RMS x 4 @ 2 Ohm • 20th Anniversary Heatsink Design • 1 Ohm Stable Stereo, 2 Ohm Stable Mono • Gold Plated RCA Connectors

MB Quart RA1500.1 (Factory Refurbished)

1500W Class D 1-Channel Monoblock Reference Series Amplifier

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MB Quart RA1500.1 (Factory Refurbished)

1500W Class D 1-Channel Monoblock Reference Series Amplifier

• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Built-In System Diagnostics
• Variable Bass EQ: 0 to +10 dB at 45 Hz
• Class D Circuitry
• Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 1500W
• Built-In System Diagnostics
• Variable Bass EQ: 0 to +10 dB at 45 Hz
• Class D Circuitry
• Dimensions: 8-5/16"W x 15-3/4"D x 2-3/8"H

EXCLUSIVE

Planet Audio Subwoofer + Kicker Amp Upgrade Bundle

TQ12S 750W RMS 12" TQ Series Subwoofer + KX800.1 800W RMS KX Series Monoblock Amplifier + XKIT42 2-Chan. 4 Gauge OFC Amp Installation Kit

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Planet Audio Subwoofer + Kicker Amp Upgrade Bundle

TQ12S 750W RMS 12" TQ Series Subwoofer + KX800.1 800W RMS KX Series Monoblock Amplifier + XKIT42 2-Chan. 4 Gauge OFC Amp Installation Kit

• Subwoofer: RMS Power: 750W
• Amplifier: RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm
• CEA-2006 Compliant
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

130

• Subwoofer: RMS Power: 750W
• Amplifier: RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm
• CEA-2006 Compliant
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

Clif Designs CD2800.1LX Factory Refurbished

Class D Monoblock Amplifier

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Clif Designs CD2800.1LX Factory Refurbished

Class D Monoblock Amplifier

LX Series Class D Monoblock Car Amplifier • 860W x 1 chan. @ 4 ohm • 1675W x 1 chan. @ 2 ohm • 3200W x 1 chan. @ 1 ohm • ***NON-CLIF DESIGNS REMOTE (MA Audio)*** • Stackable (master/slave capable) operation

LX Series Class D Monoblock Car Amplifier • 860W x 1 chan. @ 4 ohm • 1675W x 1 chan. @ 2 ohm • 3200W x 1 chan. @ 1 ohm • ***NON-CLIF DESIGNS REMOTE (MA Audio)*** • Stackable (master/slave capable) operation

Sound Storm Labs (SSL) EV4000D

4000W Peak (3000W RMS) Evolution Series Class-D Monoblock Amplifier with Bass Remote

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Sound Storm Labs (SSL) EV4000D

4000W Peak (3000W RMS) Evolution Series Class-D Monoblock Amplifier with Bass Remote

• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 750 watts x 1 channel @ 4 ohm
• 1500 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Kicker 41DXA10001 (Open Box)

D-Series 1000W Monoblock Class D Car Amplifier

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Kicker 41DXA10001 (Open Box)

D-Series 1000W Monoblock Class D Car Amplifier

• RMS Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 12-1/16" W x 7-3/16" D x 2-3/8" H

• RMS Power: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 12-1/16" W x 7-3/16" D x 2-3/8" H

Massive Audio BP4000.1 Open Box (Complete)

4000W Max (2000W RMS) Blade BP Series 2 ohm Stable Monoblock Class-D Amplifier

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Massive Audio BP4000.1 Open Box (Complete)

4000W Max (2000W RMS) Blade BP Series 2 ohm Stable Monoblock Class-D Amplifier

• 1000 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 4000 Watts
• CTA-2006 Compliant
• 0-12 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 7.5" W x 9.9" L x 2.2" H

• 1000 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 4000 Watts
• CTA-2006 Compliant
• 0-12 dB Bass Boost
• Aluminum Heatsink
• Dimensions: 7.5" W x 9.9" L x 2.2" H

Orion XTR15001 (XTR 15001) R/B

Factory Refurbished 3000W Peak XTR Series Class D Monoblock Amplifier

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Orion XTR15001 (XTR 15001) R/B

Factory Refurbished 3000W Peak XTR Series Class D Monoblock Amplifier

Orion XTR Series Single-Channel Class D Car Amplifier • 400W x 1 Chan. @ 4 ohm • 800W x 1 Chan. @ 2 ohm • 1600W x 1 Chan. @ 1 ohm • 3000W Max • 0-18 Tuned Bass EQ • LED Power Indicators • CEA-2006 Compliant

Orion XTR Series Single-Channel Class D Car Amplifier • 400W x 1 Chan. @ 4 ohm • 800W x 1 Chan. @ 2 ohm • 1600W x 1 Chan. @ 1 ohm • 3000W Max • 0-18 Tuned Bass EQ • LED Power Indicators • CEA-2006 Compliant

Kicker KX2500.1 KX-Series 05KX2500.1

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Kicker KX2500.1 KX-Series 05KX2500.1

Class D Mono Amplifier • 2500W RMS x 1 @ 2 • 1500W RMS x 1 @ 4 • Bass Level Remote • Variable Crossover • KickBass Boost • RCA Outputs • Gold Plated Connectors

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Class D Mono Amplifier • 2500W RMS x 1 @ 2 • 1500W RMS x 1 @ 4 • Bass Level Remote • Variable Crossover • KickBass Boost • RCA Outputs • Gold Plated Connectors

Soundstream STL1.1200D R/B

1200W RMS, Stealth Series Monoblock Amplifier

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Soundstream STL1.1200D R/B

1200W RMS, Stealth Series Monoblock Amplifier

Stealth Series Sinlge-Channel Class D Car Amplifier • 700W RMS x 1 Chan. @ 2 ohm • 1200W RMS x 1 Chan. @ 1 ohm • Selectable Bass Boost • Single Channel Operation • Black Anodized Finish with Chrome Accents

Stealth Series Sinlge-Channel Class D Car Amplifier • 700W RMS x 1 Chan. @ 2 ohm • 1200W RMS x 1 Chan. @ 1 ohm • Selectable Bass Boost • Single Channel Operation • Black Anodized Finish with Chrome Accents

Alpine MRX-M50 Open Box

Open Box 500W RMS, Monoblock Class D X-Power Series Car Amplifier

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Alpine MRX-M50 Open Box

Open Box 500W RMS, Monoblock Class D X-Power Series Car Amplifier

MRX Series Monoblock Car Amplifier • 300W RMS @ 4 Ohm x 1 Chan. • 500W RMS @ 2 Ohm x 1 Chan. • 300W RMS @ 1 Ohm x 1 Chan. • Variable Low-Pass Crossover • Variable Subsonic Crossover • Variable Bass Boost

MRX Series Monoblock Car Amplifier • 300W RMS @ 4 Ohm x 1 Chan. • 500W RMS @ 2 Ohm x 1 Chan. • 300W RMS @ 1 Ohm x 1 Chan. • Variable Low-Pass Crossover • Variable Subsonic Crossover • Variable Bass Boost

Cerwin-Vega HED31500.1D-OPEN BOX

1500W Max Class D Monoblock HED3 Series Power Car Amplifier

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Cerwin-Vega HED31500.1D-OPEN BOX

1500W Max Class D Monoblock HED3 Series Power Car Amplifier

• RMS: 550W x 1 @ 4 ohm, 2 ohm 950W x 1 @ 2 ohm
• Total Peak Power: 1500W
• Class D Circuitry
• Bass Boost 0-12 dB at 45 Hz
• Wired Bass Control Included
• Dimensions: 9-1/8"W x 19-3/8"L x 2-1/8"H

• RMS: 550W x 1 @ 4 ohm, 2 ohm 950W x 1 @ 2 ohm
• Total Peak Power: 1500W
• Class D Circuitry
• Bass Boost 0-12 dB at 45 Hz
• Wired Bass Control Included
• Dimensions: 9-1/8"W x 19-3/8"L x 2-1/8"H

Power Acoustik OVN1-5500D R/B

5500W Max, Class D Monoblock Gothic Series Amplifier

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Power Acoustik OVN1-5500D R/B

5500W Max, Class D Monoblock Gothic Series Amplifier

Gothic Series Class D Monoblock Car Amplifier • 1700W x 1 Chan. @ 4 Ohm • 2500W x 1 Chan. @ 2 Ohm • 3200W x 1 Chan. @ 1 Ohm • Pulse Width Modulation Circuitry • MOSFET Power Supply • Bridged Synchronization •

Gothic Series Class D Monoblock Car Amplifier • 1700W x 1 Chan. @ 4 Ohm • 2500W x 1 Chan. @ 2 Ohm • 3200W x 1 Chan. @ 1 Ohm • Pulse Width Modulation Circuitry • MOSFET Power Supply • Bridged Synchronization •

MB Quart DSC 1000.1 Open Box

(Open Box) 1000W RMS, Class A/B Monoblock Discus Series Amplifier (DSC1000.1)

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MB Quart DSC 1000.1 Open Box

(Open Box) 1000W RMS, Class A/B Monoblock Discus Series Amplifier (DSC1000.1)

Discus Series Class AB Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Discus Series Class AB Monoblock Car Amplifier • 350W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Power Acoustik Reactor REACT1-1100 R/B

1100W Max, Class D Monoblock Amplifier

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Power Acoustik Reactor REACT1-1100 R/B

1100W Max, Class D Monoblock Amplifier

Reactor Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • 1100W x 1 chan. Max • PWM MOSFET power supply • Selectable bass boost (0, 6, 12 dB at 45 Hz) • High rail voltage

Reactor Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • 1100W x 1 chan. Max • PWM MOSFET power supply • Selectable bass boost (0, 6, 12 dB at 45 Hz) • High rail voltage

Autotek AXL2550.1 OPEN BOX COMPLETE

2500W Max Monoblock AXL Series Class AB Car Amplifier

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Autotek AXL2550.1 OPEN BOX COMPLETE

2500W Max Monoblock AXL Series Class AB Car Amplifier

  • Item Condition: Open Box Complete
    • • Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
    • Total Peak Power: 2500W
    • 1 Pair of Preamp Outputs
    • Bass Boost: 0-12 dB at 50 Hz
    • Low Pass Filter: 40-150 Hz
    • Dimensions: 9-1/16"W x 17-15/16"D x 2-5/16"H

  • Item Condition: Open Box Complete
    • • Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
    • Total Peak Power: 2500W
    • 1 Pair of Preamp Outputs
    • Bass Boost: 0-12 dB at 50 Hz
    • Low Pass Filter: 40-150 Hz
    • Dimensions: 9-1/16"W x 17-15/16"D x 2-5/16"H
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      FAQ Frequently asked questions in Discontinued Monoblock Amplifiers

      A monoblock amplifier is a single-channel amplifier designed to power a single speaker or subwoofer. Unlike multi-channel amplifiers that can power multiple speakers simultaneously, a monoblock amplifier is dedicated to driving a specific speaker, typically a subwoofer. The advantage of a monoblock amplifier lies in its specialized design, which allows it to deliver higher power output to the subwoofer without interference from other speakers. This dedicated power delivery results in enhanced bass response and cleaner, more impactful low-frequency reproduction, making monoblock amplifiers a popular choice for car audio enthusiasts seeking powerful bass performance.
      Monoblock amplifiers are specifically designed to power subwoofers and are not intended for use with other speakers in your audio system. They usually have a single output channel optimized for low-frequency signals, making them unsuitable for driving mid-range or high-frequency speakers. For other speakers like door speakers or tweeters, you should use multi-channel amplifiers or dedicated channels on an audio processor. Using a monoblock amplifier for full-range speakers can result in poor audio performance and potential damage to the speakers.
      Monoblock amplifiers are compatible with most subwoofers, but it's crucial to consider the amplifier's power output and the subwoofer's power handling capabilities. The amplifier's power rating should match or slightly exceed the subwoofer's RMS power handling to ensure optimal performance and prevent overloading the subwoofer. Additionally, check the impedance (ohms) of both the amplifier and the subwoofer to ensure they match. Most monoblock amplifiers can handle both 2-ohm and 4-ohm loads, but some can also operate at 1-ohm, providing flexibility in subwoofer wiring configurations.
      No, monoblock amplifiers are not designed for bridging, as they are already single-channel amplifiers dedicated to powering a single subwoofer. Attempting to bridge a monoblock amplifier can cause damage to the amplifier and subwoofers. If you need to power multiple subwoofers, consider using multi-channel amplifiers or multiple monoblock amplifiers, each dedicated to driving a separate subwoofer. Sonic Electronix offers a wide selection of multi-channel amplifiers that can power multiple subwoofers simultaneously, ensuring optimal performance and protection for your audio system.
      Monoblock amplifiers can generate a significant amount of heat, especially when driving powerful subwoofers at high volume levels. While they don't require special cooling or ventilation compared to other amplifier types, it's essential to provide adequate airflow around the amplifier to dissipate heat effectively. Avoid mounting the amplifier in enclosed spaces or areas with limited ventilation, as this can lead to overheating and reduced performance. In some cases, installing a cooling fan or using amplifier cooling solutions can help maintain optimal operating temperatures. If you have concerns about amplifier heat, Sonic Electronix's knowledgeable staff can recommend suitable cooling solutions for your specific setup. Monoblock amplifiers are an excellent choice for enhancing the bass performance in your car audio system, providing dedicated power delivery to your subwoofers for impactful and detailed low-frequency sound reproduction. When used correctly and matched with the right subwoofers, monoblock amplifiers can elevate your car audio experience to new depths of bass excellence.
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