Everyone knows you need an amplifier in your car’s audio system if you want thumping, window rattling, trunk vibrating bass, but adding an amplifier will provide so much more than you expect. With a high quality amplifier you’ll get much better overall sound quality. And if you’ve upgraded your speakers or added a new subwoofer, a separate amplifier will provide the power needed to get the most out of them. It will provide the power that the amplifier inside a dash mounted receiver just can’t deliver.

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Amplifiers are categorized according to classification, number of channels, and power rating in watts. The class of an amplifier refers to its circuit design. There are Class A, Class B, Class A/B and Class D amplifiers, with the latter two being the ones most commonly used in car stereo applications. Class A amplifiers feature simple design, the highest linearity over other amplifier classes, and produce the best sound quality. However, they are inefficient because current flows through their output transistors all the time.

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    • (0 reviews)
      # mpn470430249
      Class AB 4-Channel 1000W Amplifier by VDP®. Amplify your sound with this powerful VDP workhorse. This superior amp will add power to your sound system and provide impressive bass with stunning sound quality to let you enjoy an...
      Expertly crafted from superior materialsProvides exceptional reliability
      $213.14
    • (0 reviews)
      # mpn2315860
      Universal Riot Series Class AB 4-Channel 400W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      400 W MAX Power, 4 Channels75 W X 4 RMS @ 2 Ohms
      $41.59
    • (0 reviews)
      # mpn2315865
      Universal Riot Series Class AB 4-Channel 1000W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      1000 W MAX Power, 4 Channels188 W X 4 RMS @ 2 Ohms
      $77.53
    • (0 reviews)
      # mpn2953810
      Universal Anarchy Series Class AB 4-Channel 800W Amplifier by Planet Audio®. Boost that bass with this high-end amplifier from Planet Audio. Combining cutting-edge technology with a sleek design, this extremely powerful amp is a...
      800 W MAX Power 4 Channels150 W X 4 RMS @ 2 Ohms
      $74.97
    • (0 reviews)
      # mpn2805218097
      Universal GM Series Class AB 4-Channel 520W Amplifier by Pioneer®. Amplify every note with the extremely powerful amplifier from Pioneer that's a perfect partner for any music head on the road. Perfectly equipped with the latest...
      Number of Channels: 4Amplifer Class: Class AB
      $130.00
    • (0 reviews)
      # mpn2805218096
      Universal GM Series Class AB 4-Channel 1000W Amplifier by Pioneer®. Amplify every note with the extremely powerful amplifier from Pioneer that's a perfect partner for any music head on the road. Perfectly equipped with the latest...
      Number of Channels: 4Amplifer Class: Class AB
      $160.00
    • (0 reviews)
      # mpn1741911814
      Universal Edge Series Class AB 4-Channel 1000W Amplifier by Power Acoustik®. Bring a high-end appeal along ultra powerful performance to your sound system with this premium amp from Power Acoustik. Designed to provide some serious...
      2-ohm Stereo & 4-ohm Bridged Full Range Operation1-ohm Stable Monoblock Operation for MAX Power
      $81.57
    • (0 reviews)
      # mpn1658372
      Universal APCL Series Class AB 4-Channel 1000W Amplifier by Audiopipe®. Boasting the latest in technology, this first-rate amplifier from Audiopipe is the finest piece of competition car audio gear that will take your listening...
      4 Channels Class ABMax Power: 1000 Watt
      $132.99
    • (0 reviews)
      # mpn1903353
      Universal Powerzone X Series Class AB 4-Channel 900W Amplifier by Crunch®. If you're an avid music fan driven by the power of music and building your sound system around this simple issue, this high-end amp from Crunch is right...
      INPUTS: Low Noise PreAmplifier. Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortionHI LEVEL INPUTS: Low Level RCA Inputs and Outputs. Highest sound quality connection
      $109.99
    • (0 reviews)
      # mpn325222882
      Universal Force Series Class AB 4-Channel 1000W Amplifier by Sound Storm Lab®. Get lots of rich, deep, vibrating bass and power for your sound system with this high-tech amplifier from Sound Storm Lab. Incorporating the latest...
      1000 W MAX Power 4 Channels188 W X 4 RMS @ 2 Ohms
      $69.75
    • (0 reviews)
      # mpn2953569
      Universal Evolution Series Class AB 4-Channel 1000W Amplifier by Sound Storm Lab®. Get lots of rich, deep, vibrating bass and power for your sound system with this high-tech amplifier from Sound Storm Lab. Incorporating the latest...
      1000 W MAX Power 4 Channels188 W X 4 RMS @ 2 Ohms
      $77.10
    • (0 reviews)
      # mpn1882866
      Universal VFL Series Class D 4-Channel 600W Amplifier by American Bass®. Whether you're building your own hardcore audio system or just doing sound performance make-over, the top-end American Bass amp is a must have. Experience...
      600W 4-Channel VFL Series Class D Car AmplifierMAX Power at 2 Ohms: 150 x 4
      $195.41
    • (0 reviews)
      # mpn1881735
      Universal HD Series Class D 4-Channel 600W Amplifier by American Bass®. Whether you're building your own hardcore audio system or just doing sound performance make-over, the top-end American Bass amp is a must have. Experience...
      Max Power at 2 Ohms: 150W X 4chInput Sensitivity: 6V - 0.2V
      $157.86
    • (0 reviews)
      # mpn1900746
      Universal Class AB 4-Channel 600W Amplifier by Polk Audio®. The PA660 is a four-channel class A/B amplifier with built-in fully variable low-pass crossover. Equipped with remote gain, the PA660.4 is capable of two-channel operation...
      75 Watts x 4 continuous, 85 x 4 dynamic power (2 Ohms load), 4 Channels mode.150 Watts x 2 (4 Ohms) continuous power, 2 Channels mode.
      $199.95
    • (0 reviews)
      # mpn1899984
      Universal PA Series Class D 4-Channel 800W RMS Amplifier by Polk Audio®. The PA D4000.4 amplifier is capable of bridging two full-range channels into a single full range channel with higher output power. For instance, one front and...
      Super-efficient class D design—runs much cooler than conventional amps.High-speed MOSFET—switching power supply.
      $349.95
    • (0 reviews)
      # mpn325049748
      Universal Class D 4-Channel 1000W Amplifier with Built-In Bluetooth by Cadence®. Cadence Tech introduces the all new Micro size XAM Class of amplifiers, with > 80% efficiency full Range Class D design there is less of a strain on...
      Full Range Digital AmplifierLow Level RCA Inputs
      $193.85
    • (0 reviews)
      # mpn2702425529
      Universal DRVN Series Class AB 4-Channel 800W Amplifier by JVC®. Make the most out of your sound system with this cutting-edge JVC amplifier. Designed to provide you with an amazing audio experience, this workhorse delivers massive...
      Maximum Power Output: 800WClass: Class-AB
      $94.19
    • (0 reviews)
      # mpn2008023
      Universal Phantom Series Class D 4-Channel 900W Amplifier by Precision Power®. Don't sacrifice big power for a compact size! Utilizing the state-of-the-art technology, this first-rate amplifier packs huge amounts of power into...
      RMS Power Rating (14.4V) 4 Ohms: 145 watts x 4 chan.RMS Power Rating (14.4V) 2 Ohms: 225 watts x 4 chan.
      $190.23
    • (0 reviews)
      # mpn2008018
      Universal ION Series Class D 4-Channel 520W Amplifier by Precision Power®. Don't sacrifice big power for a compact size! Utilizing the state-of-the-art technology, this first-rate amplifier packs huge amounts of power into small...
      RMS Power Rating 4 Ohms: 100 watts x 4 chan.RMS Power Rating 2 Ohms: 130 watts x 4 chan.
      $124.84
    • (0 reviews)
      # mpn1579612454
      Universal ION Series Class D 4-Channel 650W Amplifier by Precision Power®. Don't sacrifice big power for a compact size! Utilizing the state-of-the-art technology, this first-rate amplifier packs huge amounts of power into small...
      Small Compact 4.75” Wide ChassisMOSFET Power Supply w/ Audiophile Grade IRTM Transistors
      $153.51
    • (0 reviews)
      # mpn2084069982
      Universal Black Ice Series Class AB 4-Channel 1000W Amplifier by Precision Power®. Don't sacrifice big power for a compact size! Utilizing the state-of-the-art technology, this first-rate amplifier packs huge amounts of power into...
      2-Ohm Stereo, 4-Ohm Bridged Full Range OperationDirect Short, Thermal, & Overload Circuits Protect Ampllifier
      $96.80
    • (0 reviews)
      # mpn2952528
      Universal Vector Series Class AB 4-Channel 2000W Amplifier by Lanzar®. Benefit from high-end sound amplifying power delivered by this top-of-the-line Lanzar amp. Designed for sound quality and performance reinforcement, this...
      500W x 4 Output at 4 Ohms1000W x 2 Bridged Output at 2 Ohms
      $92.86
    • (0 reviews)
      # mpn2952461
      Universal Heritage Series Class AB 4-Channel 2000W Amplifier by Lanzar®. Benefit from high-end sound amplifying power delivered by this top-of-the-line Lanzar amp. Designed for sound quality and performance reinforcement, this...
      4 x 250W RMS @ 4 Ohms4 x 500W Max @ 4 Ohms
      $104.70
    • (0 reviews)
      # mpn325251045
      Universal Phantom Series Class AB 4-Channel 1800W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      1800 W MAX Power, 4 Channels338 W X 4 RMS @ 2 Ohms
      $109.02
    • (0 reviews)
      # mpn2315867
      Universal Riot Series Class AB 4-Channel 1200W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      1200 W MAX Power, 4 Channels225 W X 4 RMS @ 2 Ohms
      $79.39
    • (0 reviews)
      # mpn325250781
      Universal Chaos Exxtreme Series Class AB 4-Channel 1600W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear....
      300 W X 4 RMS @ 2 Ohms150 W X 4 RMS @ 4 Ohms
      $105.44
    • (0 reviews)
      # mpn2315870
      Universal Riot Series Class AB 4-Channel 1600W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      1600 W MAX Power, 4 Channels300 W X 4 RMS @ 2 Ohms
      $94.12
    • (0 reviews)
      # mpn2316630
      Universal Armor Series Class AB 4-Channel 1600W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      1600 W MAX Power 4 Channels300 W X 4 RMS @ 2 Ohms
      $79.39
    • (0 reviews)
      # mpn1862269
      Universal Cobalt Series Class AB 4-Channel 2000W Amplifier by Orion®. The New Cobalt Amplifiers are coming to change the complete vision of the car audio market. They offer more power, more quality and much better price than any...
      RMS Watts @ 4 Ohms Stereo 14.4V: 80 Watts X 4 ChannelsRMS Watts @ 2 Ohms Stereo 14.4V: 120 Watts X 4 Channels
      $149.00
    • (0 reviews)
      # mpn1862283
      Universal HCCA Series Class AB 4-Channel 2000W Amplifier by Orion®. Orion has transformed HCCA Amplifiers to a super powerful sound machine. Technology, quality and extreme power were combined to create efficient and very powerful...
      Power output 4 Ohms (Watts/RMS): 150 x 4Power output 2 Ohms (Watts/RMS): 250 x 4
      $449.00
    • (0 reviews)
      # mpn1862277
      Universal Cobalt Series Class AB 4-Channel 1200W Amplifier by Orion®. The New Cobalt Amplifiers are coming to change the complete vision of the car audio market. They offer more power, more quality and much better price than any...
      RMS Watts @ 4 Ohms Stereo 14.4V: 60 Watts X 4 ChannelsRMS Watts @ 2 Ohms Stereo 14.4V: 80 Watts X 4 Channels
      $129.00
    • (0 reviews)
      # mpn2953807
      Universal Anarchy Series Class AB 4-Channel 1200W Amplifier by Planet Audio®. Boost that bass with this high-end amplifier from Planet Audio. Combining cutting-edge technology with a sleek design, this extremely powerful amp is a...
      1200 W MAX Power 4 Channels225 W X 4 RMS @ 2 Ohms
      $82.34
    • (0 reviews)
      # mpn1849466150
      Universal Pulse Series Class AB 4-Channel 1600W Amplifier by Planet Audio®. Each product is built using the highest quality materials and electronic components. You will find models for every Genre, budget, and application from a...
      1600 W MAX Power 4 Channels300 W X 4 RMS @ 2 Ohms
      $82.94
    • (0 reviews)
      # mpn2953770
      Universal Big Bang Series Class D 4-Channel 1200W Amplifier by Planet Audio®. Boost that bass with this high-end amplifier from Planet Audio. Combining cutting-edge technology with a sleek design, this extremely powerful amp is a...
      1200 W MAX Power 4 Channels225 W X 4 RMS @ 2 Ohms
      $119.83
    • (0 reviews)
      # mpn2953759
      Universal Anarchy Series Class AB 4-Channel 1600W Amplifier by Planet Audio®. Boost that bass with this high-end amplifier from Planet Audio. Combining cutting-edge technology with a sleek design, this extremely powerful amp is a...
      1600 W MAX Power 4 Channels300 W X 4 RMS @ 2 Ohms
      $105.20
    • (1 review)
      # mpn1285668
      Universal GM Series Class D 4-Channel 1200W Amplifier by Pioneer®. Amplify every note with the extremely powerful amplifier from Pioneer that's a perfect partner for any music head on the road. Perfectly equipped with the latest...
      Class D 4-Channels AmplifierWired remote bass level control included
      $220.00
    • (0 reviews)
      # mpn1990091
      Universal Razor Series Class D 4-Channel 1200W Amplifier by Power Acoustik®. Bring a high-end appeal along ultra powerful performance to your sound system with this premium amp from Power Acoustik. Designed to provide some serious...
      Small Compact 4.75" Wide Chassis4-ohms Bridged/2-ohms Stereo Class D Full Range
      $117.39
    • (0 reviews)
      # mpn1741911828
      Universal BAMF Series Class AB 4-Channel 1800W Amplifier by Power Acoustik®. Bring a high-end appeal along ultra powerful performance to your sound system with this premium amp from Power Acoustik. Designed to provide some serious...
      Die-Cast Aluminum Alloy Heatsink for Optimum Dissipation2-ohms Stereo & 4-ohms Bridged Full Range Operation
      $128.68
    • (0 reviews)
      # mpn1741911813
      Universal Edge Series Class AB 4-Channel 1500W Amplifier by Power Acoustik®. Bring a high-end appeal along ultra powerful performance to your sound system with this premium amp from Power Acoustik. Designed to provide some serious...
      2-ohm Stereo & 4-ohm Bridged Full Range Operation1-ohm Stable Monoblock Operation for MAX Power
      $101.88
    • (0 reviews)
      # mpn1989495
      Universal Razor Series Class D 4-Channel 2000W Amplifier by Power Acoustik®. Bring a high-end appeal along ultra powerful performance to your sound system with this premium amp from Power Acoustik. Designed to provide some serious...
      4-ohms Bridged/2-ohms Stereo Class D Full RangeT.H.D. : 250 Stereo
      $122.70
    • (0 reviews)
      # mpn1741911829
      Universal BAMF Series Class AB 4-Channel 1200W Amplifier by Power Acoustik®. Bring a high-end appeal along ultra powerful performance to your sound system with this premium amp from Power Acoustik. Designed to provide some serious...
      Die-Cast Aluminum Alloy Heatsink for Optimum Dissipation2-ohms Stereo & 4-ohms Bridged Full Range Operation
      $129.59
    • (0 reviews)
      # mpn2060061919
      Universal Class AB 4-Channel 2000W Amplifier by Audiopipe®. Boasting the latest in technology, this first-rate amplifier from Audiopipe is the finest piece of competition car audio gear that will take your listening experience to a...
      Power Rating 250W RMS x 4 - 4 OhmsPower Rating 500W Max x 4 - 4 Ohms
      $309.39
    • (0 reviews)
      # mpn1667672
      Universal Class AB 4-Channel 1200W Amplifier by Audiopipe®. Boasting the latest in technology, this first-rate amplifier from Audiopipe is the finest piece of competition car audio gear that will take your listening experience to a...
      APMI Series 4-Channel Class AB Car AmplifierRMS Power Rating: 4 Ohms: 78 watts x 4 chan
      $102.20
    • (0 reviews)
      # mpn1658377
      Universal APCL Series Class AB 4-Channel 2000W Amplifier by Audiopipe®. Boasting the latest in technology, this first-rate amplifier from Audiopipe is the finest piece of competition car audio gear that will take your listening...
      4 Channels Class ABMax Power: 2000 Watt
      $151.99
    • (0 reviews)
      # mpn1658374
      Universal APCL Series Class AB 4-Channel 1500W Amplifier by Audiopipe®. Boasting the latest in technology, this first-rate amplifier from Audiopipe is the finest piece of competition car audio gear that will take your listening...
      4 Channels Class ABMax Power: 1500 Watt
      $140.99
    • (1 review)
      # mpn2558492
      Universal Academy Series Class AB 4-Channel 1600W Amplifier by Pyle®. The Pyle Academy series is an affordable option to provide high-power, high-quality sound to your vehicle's speakers. Academy amplifiers are sturdy with amp...
      Four Channel Bridgeable AmplificationTri-way Configuration:4/3/2 Channels
      $91.57
    • (0 reviews)
      # mpn1903355
      Universal Powerzone X Series Class AB 4-Channel 1200W Amplifier by Crunch®. If you're an avid music fan driven by the power of music and building your sound system around this simple issue, this high-end amp from Crunch is right...
      INPUTS: Low Noise PreAmplifier. Maximum low voltage signal from the source unit comes into the amplifier circuit with minimal distortionHI LEVEL INPUTS: Low Level RCA Inputs and Outputs. Highest sound quality connection
      $119.99
    • (0 reviews)
      # mpn325222981
      Universal Force Series Class AB 4-Channel 1600W Amplifier by Sound Storm Lab®. Get lots of rich, deep, vibrating bass and power for your sound system with this high-tech amplifier from Sound Storm Lab. Incorporating the latest...
      1600 W MAX Power 4 Channels300 W X 4 RMS @ 2 Ohms
      $75.63
    • (0 reviews)
      # mpn2953527
      Universal EVO Series Class AB 4-Channel 1600W Amplifier by Sound Storm Lab®. Get lots of rich, deep, vibrating bass and power for your sound system with this high-tech amplifier from Sound Storm Lab. Incorporating the latest...
      1600 W MAX Power 4 Channels300 W X 4 RMS @ 2 Ohms
      $105.30
    • (0 reviews)
      # mpn2953530
      Universal EVO Series Class AB 4-Channel 2000W Amplifier by Sound Storm Lab®. Get lots of rich, deep, vibrating bass and power for your sound system with this high-tech amplifier from Sound Storm Lab. Incorporating the latest...
      2000 W MAX Power 4 Channels375 W X 4 RMS @ 2 Ohms
      $117.19
    • (0 reviews)
      # mpn1882832
      Universal GT Series Class D 4-Channel 1200W Amplifier by American Bass®. Whether you're building your own hardcore audio system or just doing sound performance make-over, the top-end American Bass amp is a must have. Experience...
      Max Power: 1200 WattsRMS At 4 Ohms (Mono): 300W X 2ch
      $242.13
    • (0 reviews)
      # mpn1881761
      Universal XD Series Class D 4-Channel 1400W Amplifier by American Bass®. Whether you're building your own hardcore audio system or just doing sound performance make-over, the top-end American Bass amp is a must have. Experience...
      Stable into 2 Ohms mono LoadVariable low pass / subsonic filter
      $115.44
    • (0 reviews)
      # mpn1292769
      Universal HED Mobile Series Class AB 4-Channel 1200W Amplifier by Cerwin-Vega®. This amplifier by Cerwin-Vega is designed to drive even the most inefficient speakers and/or subwoofers and bring out their performance capabilities to...
      Internal Temperature-Sensitive Max Efficiency Cooling FanClass AB Power Multi-Channel Topology Design
      $259.99
    • (0 reviews)
      # mpn2139163386
      Universal Bomber Series Class D 4-Channel 1200W Amplifier by Cerwin-Vega®. This amplifier by Cerwin-Vega is designed to drive even the most inefficient speakers and/or subwoofers and bring out their performance capabilities to the...
      Class D IR Chipset with DirectFET Power Mosfet OutputSwitchable 12dB HP/FLAT/LP Crossovers and VEGA Bass Boost
      $329.99
    • (0 reviews)
      # mpn2084069980
      Universal Black Ice Series Class AB 4-Channel 1600W Amplifier by Precision Power®. Don't sacrifice big power for a compact size! Utilizing the state-of-the-art technology, this first-rate amplifier packs huge amounts of power into...
      2-Ohm Stereo, 4-Ohm Bridged Full Range OperationDirect Short, Thermal, & Overload Circuits Protect Ampllifier
      $127.11
    • (0 reviews)
      # mpn2316632
      Universal Armor Series Class AB 4-Channel 2400W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      2400 W MAX Power 4 Channels450 W X 4 RMS @ 2 Ohms
      $94.12
    • (0 reviews)
      # mpn325251046
      Universal Phantom Series Class AB 4-Channel 2200W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      2200 W MAX Power, 4 Channels413 W X 4 RMS @ 2 Ohms
      $124.42
    • (0 reviews)
      # mpn325251047
      Universal Phantom Series Class AB 4-Channel 2600W Amplifier by BOSS®. Boost your sound quality with this outrageously powerful BOSS amp that will help play your favorite tunes loud enough for the entire world to hear. Featuring the...
      2600 W MAX Power, 4 Channels488 W X 4 RMS @ 2 Ohms
      $134.52
    • (0 reviews)
      # mpn1862270
      Universal Cobalt Series Class AB 4-Channel 3000W Amplifier by Orion®. The New Cobalt Amplifiers are coming to change the complete vision of the car audio market. They offer more power, more quality and much better price than any...
      RMS Watts @ 4 Ohms Stereo 14.4V: 115 Watts X 4 ChannelsRMS Watts @ 2 Ohms Stereo 14.4V: 185 Watts X 4 Channels
      $169.00
    • (0 reviews)
      # mpn1849466149
      Universal Pulse Series Class AB 4-Channel 2400W Amplifier by Planet Audio®. Each product is built using the highest quality materials and electronic components. You will find models for every Genre, budget, and application from a...
      2400 W MAX Power 4 Channels450 W X 4 RMS @ 2 Ohms
      $97.78




    Class B amplifiers are the most efficient because the output transistors pass current only when there is an audio signal, but they produce a lot of distortion. Class A/B amplifiers are a combination of the Class A and the Class B amplifiers, with a small amount of current flowing all the time, even when there is no audio signal, which results in greater efficiency with almost no distortion. Class A/B amplifiers are one of the most common used types of audio power amplifier design. In a Class D amplifier the transistors are switched on and off. Class D amplifiers are more efficient than Class A/B but produce more distortion. However, this distortion can be removed with a filter.

    Before choosing an amplifier for your audio system, you need to decide how you intend to use it and how many channels it should have. Usually, the number of channels should match the number of speakers in your system. As the name suggests, a mono amplifier is designed for one speaker, usually a subwoofer, however two subwoofers can be connected to a mono amplifier. 2-channel amplifiers are for two speaker systems, 4-channel for 4 speaker systems, and 5-channel amplifiers are for 4 speakers and a subwoofer. Some amplifiers can be “bridged”, meaning 2 channels can be combined into one for more power. A 4-channel amp could power two speakers and then have the remaining channels bridged to power a subwoofer.

    The amplifier’s power rating should coincide with your speakers’ RMS, or continuous power rating. If this rating is given in a range, go with the higher number. This is especially important to get maximum performance from aftermarket speakers. For best sound quality the amplifier should deliver at least 75% of the speaker’s RMS rating, and the average speaker can handle up to 150% of this rating without any problems. It’s always better to overpower speakers rather than under power them. The distortion caused when you make the most of a low-powered amp is more likely to harm a speaker than too much power. If you’re building a system from scratch, a small car won’t need as much power as a larger vehicle.

    In addition to the mentioned above, there are other features that you’ll commonly see in amplifier listings, like filters and bass boost. There are high pass and low pass filters. A high pass filter removes low frequencies so the amplifier is only boosting the high frequencies sent to small speakers for high notes, while the low pass filter takes out the high frequencies, such as would be common when powering a subwoofer. Variable filters allow you to select the frequency to be filtered. Variable bass boost control allows you to increase the bass level to tailor the sound quality. Whatever amplifier you need, on our website you'll surely find the right product for your audio system.

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