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

Discontinued All Car 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 (109)
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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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Condition

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You are currently viewing discontinued products.

Planet Audio AC1000.2 Open Box Complete

1000W Max Anarchy Series 2-Channel MOSFET Power Amplifier with Remote Level Control

AC1000.2 big DISCONTINUED
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Planet Audio AC1000.2 Open Box Complete

1000W Max Anarchy Series 2-Channel MOSFET Power Amplifier with Remote Level Control

• RMS: 350W x 2 @ 2 ohm
• 1000W Max.
• Input Sensitivity Selector
• Illuminated Logo
• Heavy-Duty Screw Terminals
• Chrome-Plated Connections
• Switchable Phase Shift
• Remote Subwoofer Control

• RMS: 350W x 2 @ 2 ohm
• 1000W Max.
• Input Sensitivity Selector
• Illuminated Logo
• Heavy-Duty Screw Terminals
• Chrome-Plated Connections
• Switchable Phase Shift
• Remote Subwoofer Control

Alpine PDR-M65 + NVX XKIT42

650W RMS PDR Series Monoblock Class D Amplifier + 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

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Alpine PDR-M65 + NVX XKIT42

650W RMS PDR Series Monoblock Class D Amplifier + 100% Copper, 2-Chan. True Spec 4 Gauge Amp Installation Kit

• RMS Power: 450W x 1 @ 4 ohm, 650W x 1 @ 2 ohm
• 1 Pair of Preamp Outputs
• Low Pass Filter
• Dimensions: 9" W x 7-1/8" D x 2-1/16" H
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

125

• RMS Power: 450W x 1 @ 4 ohm, 650W x 1 @ 2 ohm
• 1 Pair of Preamp Outputs
• Low Pass Filter
• Dimensions: 9" W x 7-1/8" D x 2-1/16" H
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

Cerwin-Vega HED500.1

500W MAX, HED Series Monoblock Class AB Car Amplifier

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Cerwin-Vega HED500.1

500W MAX, HED Series Monoblock Class AB Car Amplifier

HED Series Monoblock Class AB Car Amplifier • 150W RMS x 1-Chan. @ 4 ohm • 250W RMS x 1-Chan. @ 2 ohm • PWM MOSFET Power Supply • 12dB Vega Bass Boost • Low/High Level Inputs • Variable High Pass Filter • Remote Bass Level Control Included

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HED Series Monoblock Class AB Car Amplifier • 150W RMS x 1-Chan. @ 4 ohm • 250W RMS x 1-Chan. @ 2 ohm • PWM MOSFET Power Supply • 12dB Vega Bass Boost • Low/High Level Inputs • Variable High Pass Filter • Remote Bass Level Control Included

MB Quart OA750.1

750W Max Class Q1 1-Channel Monoblock Onyx Series Amplifier

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MB Quart OA750.1

750W Max Class Q1 1-Channel Monoblock Onyx Series Amplifier

• Peak: 350W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total Peak Power: 750W
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• Class Q1 Circuitry
• Dimensions: 9-7/16"W x 15-3/4"D x 2-1/4"H

1

• Peak: 350W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total Peak Power: 750W
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• Class Q1 Circuitry
• Dimensions: 9-7/16"W x 15-3/4"D x 2-1/4"H

Autotek MMA2000.4

2000W 4-Channel Mean Machine Series Car Amplifier

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Autotek MMA2000.4

2000W 4-Channel Mean Machine Series Car Amplifier

• RMS: 250W x 4 @ 4 ohm, 500W x 2 @ 2 ohm, Bridged: 1000W x 2 @ 4 ohm
• Total Peak Power: 2000W
• Pro- Fi™ High Speed MOSFET’s
• Auto-Step PWM MOSFET Power Supply
• ROAD WORTHYTM TCID
• 4/2 channel operation

• RMS: 250W x 4 @ 4 ohm, 500W x 2 @ 2 ohm, Bridged: 1000W x 2 @ 4 ohm
• Total Peak Power: 2000W
• Pro- Fi™ High Speed MOSFET’s
• Auto-Step PWM MOSFET Power Supply
• ROAD WORTHYTM TCID
• 4/2 channel operation

Massive Audio BLX44

690W Max (240W RMS) Bluetooth, Water and Dust Proof Nano Blu Class-D 4-Channel 2 Ohm Stable Amp

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Massive Audio BLX44

690W Max (240W RMS) Bluetooth, Water and Dust Proof Nano Blu Class-D 4-Channel 2 Ohm Stable Amp

• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

RE Audio SE4000DE

4000W Max SE Series Class-D 1-Ohm Stable Monoblock Amplifier

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RE Audio SE4000DE

4000W Max SE Series Class-D 1-Ohm Stable Monoblock Amplifier

• 1200 Watts RMS x 1 @ 4 ohm
• 1700 Watts RMS x 1 @ 2 ohm
• 2200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Variable low-pass filter: 40 - 150Hz, 12 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost
• Wired remote bass level control included
• Dimensions: 8.75"W x 14.7"L x 2.25"H

8

• 1200 Watts RMS x 1 @ 4 ohm
• 1700 Watts RMS x 1 @ 2 ohm
• 2200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Variable low-pass filter: 40 - 150Hz, 12 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost
• Wired remote bass level control included
• Dimensions: 8.75"W x 14.7"L x 2.25"H

Alpine PDX-F6

600W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

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Alpine PDX-F6

600W PDX Series 4-Channel Power Density Digital Class D Car Amplifier

• RMS Power: 150W x 4-Chan. @ 4 ohm
• 600 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

15

• RMS Power: 150W x 4-Chan. @ 4 ohm
• 600 Watts RMS
• Class D
• Variable High-Pass and Low-Pass Filter
• Blue LED Power/Status Indicator
• Compact Size

Kicker DXA1000.1 (41DXA1000.1)

1000W D-Series Monoblock Class D Car Amplifier

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Kicker DXA1000.1 (41DXA1000.1)

1000W D-Series 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

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• 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

Soundstream RUB2.450

450W RMS, Rubicon Series Class AB 2-Channel Amplifier

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Soundstream RUB2.450

450W RMS, Rubicon Series Class AB 2-Channel Amplifier

Rubicon Series 2-Channel Car Amplifier • 130 watts x 2 chan @ 4 Ohm • 225 watts x 2 chan @ 2 Ohm • Platinum 4 AWG Power Block • LED Protection Indicator • Tri-Mode Capable • Aluminum Alloy Heatsink

Rubicon Series 2-Channel Car Amplifier • 130 watts x 2 chan @ 4 Ohm • 225 watts x 2 chan @ 2 Ohm • Platinum 4 AWG Power Block • LED Protection Indicator • Tri-Mode Capable • Aluminum Alloy Heatsink

Infinity Reference 4555A (REF-4555A)

1800W Peak (760W RMS) Reference Series 5-Channel Amplifier

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Infinity Reference 4555A (REF-4555A)

1800W Peak (760W RMS) Reference Series 5-Channel Amplifier

• 45 Watts RMS x 4 + 320 Watts x 1 @ 4 ohm
• 65 Watts RMS x 2 + 500 Watts x 1 @ 2 ohm
• Total Peak Power: 1800 Watts
• Variable Bass Boost: 0 to +9 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Frequency Response: 32 - 320 Hz

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VIP Product Get $30.00 in rewards to spend later

• 45 Watts RMS x 4 + 320 Watts x 1 @ 4 ohm
• 65 Watts RMS x 2 + 500 Watts x 1 @ 2 ohm
• Total Peak Power: 1800 Watts
• Variable Bass Boost: 0 to +9 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Frequency Response: 32 - 320 Hz

Earthquake Sound 300W.2

600W Max 2-Channel Xtreme Bass Series Car Amplifier with VU Meter and Built-In Fan

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Earthquake Sound 300W.2

600W Max 2-Channel Xtreme Bass Series Car Amplifier with VU Meter and Built-In Fan

• 130W x 2 Chan. @ 4 ohm
• 250W x 2 Chan @ 2 Ohm
• 400W x 1 Chan @ 4 ohm bridged
• Variable Low/High-Pass Filter
• 24 dB/Octave
• System Protection Circuitry
• Top Loaded Dual "VU" Meters

1

• 130W x 2 Chan. @ 4 ohm
• 250W x 2 Chan @ 2 Ohm
• 400W x 1 Chan @ 4 ohm bridged
• Variable Low/High-Pass Filter
• 24 dB/Octave
• System Protection Circuitry
• Top Loaded Dual "VU" Meters

Crunch DRA1850.1D Open Box Complete

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

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Crunch DRA1850.1D Open Box Complete

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

• Item Condition: Open Box Complete
• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

• Item Condition: Open Box Complete
• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

Power Acoustik R1-2000

2,000W Reaper Series Class A/B Monoblock Car Amplifier

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Power Acoustik R1-2000

2,000W Reaper Series Class A/B Monoblock Car Amplifier

• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total Peak Power: 2000W
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
• Heavy Duty Aluminum Alloy Heat-sink for extreme heat dissipation
• Dimensions: 9.5"W x 13"L x 2.5"H

• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total Peak Power: 2000W
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
• Heavy Duty Aluminum Alloy Heat-sink for extreme heat dissipation
• Dimensions: 9.5"W x 13"L x 2.5"H

Kenwood KAC-5206 Open Box Complete

400W Max 2-Channel/Bridgeable Class AB Performance Series Car Amplifier

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Kenwood KAC-5206 Open Box Complete

400W Max 2-Channel/Bridgeable Class AB Performance Series Car Amplifier

• Item Condition: Open Box Complete
• 60 Watts RMS x 2 @ 4 ohm
• 75 Watts RMS x 2 @ 2 ohm
• 150 Watts RMS x 1 @ 4 ohm, Bridged
• Total Peak Power: 400 Watts
• CEA-2006 Compliant
• Speaker-level (high-level) inputs with Auto Turn-On
• Nickel plated RCA, Power/Ground and Speaker connections
• Signal to Noise Ration: 95 dB

• Item Condition: Open Box Complete
• 60 Watts RMS x 2 @ 4 ohm
• 75 Watts RMS x 2 @ 2 ohm
• 150 Watts RMS x 1 @ 4 ohm, Bridged
• Total Peak Power: 400 Watts
• CEA-2006 Compliant
• Speaker-level (high-level) inputs with Auto Turn-On
• Nickel plated RCA, Power/Ground and Speaker connections
• Signal to Noise Ration: 95 dB

Metra MPS-AMP100X2

300W RMS 2 ohm Stable 2-Channel Class-D Powersports Mini Amplifier

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Metra MPS-AMP100X2

300W RMS 2 ohm Stable 2-Channel Class-D Powersports Mini Amplifier

• 100 Watts RMS x 2 @ 4 ohm
• 150 Watts RMS x 2 @ 2 ohm
• 300 Watts RMS x 1 @ 4 ohm, Bridged
• Built-In Crossover
• Great for Powersports Use
• Aluminum Heatsink
• Dimensions: 7.91" W x 4.18" L x 1.54" H

• 100 Watts RMS x 2 @ 4 ohm
• 150 Watts RMS x 2 @ 2 ohm
• 300 Watts RMS x 1 @ 4 ohm, Bridged
• Built-In Crossover
• Great for Powersports Use
• Aluminum Heatsink
• Dimensions: 7.91" W x 4.18" L x 1.54" H

Orion XTR5004 (XTR 5004)

1000W Max 4-Channel XTR Series Amplifier with Crossover

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Orion XTR5004 (XTR 5004)

1000W Max 4-Channel XTR Series Amplifier with Crossover

XTR Series 4-Channel Car Amplifier • 80W x 4 chan. @ 4 ohm • 1000W Max • IntelliQ Bass optimization circuit • 6/5/4/3/2 Channel operation • Low- and high-pass filter

3

XTR Series 4-Channel Car Amplifier • 80W x 4 chan. @ 4 ohm • 1000W Max • IntelliQ Bass optimization circuit • 6/5/4/3/2 Channel operation • Low- and high-pass filter

Orion ZO2500.2

2,500W Peak (1250W RMS) 2-Channel Amplifier

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Orion ZO2500.2

2,500W Peak (1250W RMS) 2-Channel Amplifier

• 225 Watts RMS x 2 @ 4 ohm
• 315 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 2500 Watts
• Selectable Bass Boost: 0/+6/+12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 9-1/4"W x 11-3/4"L x 2-1/4"H

1

• 225 Watts RMS x 2 @ 4 ohm
• 315 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 2500 Watts
• Selectable Bass Boost: 0/+6/+12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 9-1/4"W x 11-3/4"L x 2-1/4"H

JBL GX-A602 Amplifier + Rockford Fosgate 10" Sub + Sealed Enclosure + Amp Kit

170W RMS JBL 2-Channel Amplifier + Rockford Fosgate R1S410 Single 4-Ohm Subwoofer + Belva Bak82bl

GX-A602, R1S410, MDFS10, BAK82BL big DISCONTINUED
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JBL GX-A602 Amplifier + Rockford Fosgate 10" Sub + Sealed Enclosure + Amp Kit

170W RMS JBL 2-Channel Amplifier + Rockford Fosgate R1S410 Single 4-Ohm Subwoofer + Belva Bak82bl

• 60W RMS x 2 @ 4 ohm
• 85W RMS x 2 @ 2 ohm
• 170W RMS x 1 @ 4 ohm, Bridged
• Total Peak Power: 280 Watts
• High and Low Pass Filters
• 0-12dB Bass Bosst
• Aluminum Heatsink
• 7-13/16" W x 8-1/8" L x 2-1/16" H

256

• 60W RMS x 2 @ 4 ohm
• 85W RMS x 2 @ 2 ohm
• 170W RMS x 1 @ 4 ohm, Bridged
• Total Peak Power: 280 Watts
• High and Low Pass Filters
• 0-12dB Bass Bosst
• Aluminum Heatsink
• 7-13/16" W x 8-1/8" L x 2-1/16" H

Crunch GPA1000.4

1000W 4-Channel Ground Pounder Series A/B Class Amplifier

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Crunch GPA1000.4

1000W 4-Channel Ground Pounder Series A/B Class Amplifier

• Peak Power: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, 500 x 2 @ 4 ohm Mono Bridged
• Variable Bass Boost
• Total Peak Power: 1000W
• 9.05"W x 11.18"L x 2.29"H

• Peak Power: 125W x 4 @ 4 ohm, 250W x 4 @ 2 ohm, 500 x 2 @ 4 ohm Mono Bridged
• Variable Bass Boost
• Total Peak Power: 1000W
• 9.05"W x 11.18"L x 2.29"H

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    FAQ Frequently asked questions in Discontinued All Car Amplifiers

    A car amplifier is an electronic device designed to increase the power of audio signals sent to speakers. It plays a crucial role in enhancing the sound quality of your car audio system by providing additional power to drive the speakers effectively. When you add a car amplifier to your audio setup, you'll experience clearer sound, improved bass response, and overall better audio performance. Whether you're a music enthusiast or simply want to enjoy high-quality audio during your commute, a car amplifier is essential to achieving the best sound experience in your vehicle.
    Selecting the right car amplifier requires considering several factors. Firstly, determine the power requirements of your speakers and subwoofers to match them with an amplifier that provides adequate wattage. Consider the number of channels you need based on your speaker configuration (e.g., 2-channel for front speakers and a separate subwoofer channel). Pay attention to the amplifier's size and compatibility with your vehicle's space limitations. Also, look for features like high-level inputs, built-in crossovers, and adjustable gain controls for fine-tuning your audio output. Consulting with an expert or using online tools, like Sonic Electronix's AmpliFinder, can help you find the perfect match for your car audio needs.
    The ability to install a car amplifier yourself depends on your level of technical expertise and experience with car audio systems. While some enthusiasts with prior knowledge may successfully complete the installation, it's often recommended to seek professional installation for the best results. Professional installers have the expertise to ensure proper wiring, grounding, and secure mounting to prevent any potential damage to your vehicle. They can also optimize the amplifier settings to achieve the best sound quality and prevent any interference or noise issues. Professional installation ensures a safe and reliable setup, providing peace of mind and preserving your car's warranty.
    Yes, most multi-channel car amplifiers can be bridged to combine two channels into one, effectively doubling the power output to a single speaker or subwoofer. Bridging is beneficial in situations where you want to power a high-powered subwoofer with increased wattage. By bridging channels, you can achieve a mono output that drives the subwoofer with more power, resulting in stronger and deeper bass response. However, when bridging, it's crucial to follow the amplifier's guidelines and use the correct impedance load to avoid damaging the amplifier or speakers.
    In general, a car amplifier is not a significant drain on your car's battery when the vehicle is running. However, if you leave the amplifier powered on while the engine is off, it can slowly draw power from the battery, which may eventually lead to a dead battery if left unattended for an extended period. To prevent this, ensure that the amplifier is wired properly to a switched power source that turns off when the car is not in use. Additionally, using a high-quality car battery and monitoring its health regularly will help maintain optimum power delivery and prevent any issues related to battery drainage.
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