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Pass Amplifiers

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Best Buy customers often prefer the following products when searching for Pass Amplifiers.

A pass amplifier is a device that allows you to boost the signal from your audio source, such as a CD or DVD player, to an amplifier or speaker system. The amplified signal can then be sent to another amplifier or speaker system. Browse the top-ranked list of pass amplifiers below along with associated reviews and opinions.

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  1. Kenwood - KAC-835 Class D 5-Channel Power Amplifier - Silver - Front_Zoom

    Product Description

    The KENWOOD KAC-835 is a 1600 watts high-performance 5-Channel Amplifier designed to deliver powerful, clear, and dynamic sound. Engineered for audio enthusiasts who seek both precision and versatility in their car audio systems. The KAC-835 provides the perfect blend of power, flexibility, and ease of installation. The 5-channel design allows the KAC-835 to power both front and rear speakers as well as a dedicated subwoofer channel, offering a complete audio solution in a single unit. Despite its powerful performance, the KENWOOD KAC-835 is designed to be compact and easy to install. The KAC-835 amplifier fits into tight spaces, making it ideal for vehicles where space is at a premium. The KENWOOD KAC-835 is equipped with both high-pass and low-pass filters. The high-pass filter is adjustable and allows users to set the crossover frequency for the full-range speakers, ensuring that only the appropriate frequencies are sent to the speakers, preventing distortion, and maximizing clarity. The low-pass filter, dedicated to the subwoofer channel, ensures that the subwoofer receives only the low-end frequencies, delivering tight, punchy bass. For those who crave deep, powerful bass, the KAC-835 features a variable bass boost function that allows you to adjust the low-frequency output to your preference.
    See all Multi-Channel Amps

    Product Description

    The KENWOOD KAC-835 is a 1600 watts high-performance 5-Channel Amplifier designed to deliver powerful, clear, and dynamic sound. Engineered for audio enthusiasts who seek both precision and versatility in their car audio systems. The KAC-835 provides the perfect blend of power, flexibility, and ease of installation. The 5-channel design allows the KAC-835 to power both front and rear speakers as well as a dedicated subwoofer channel, offering a complete audio solution in a single unit. Despite its powerful performance, the KENWOOD KAC-835 is designed to be compact and easy to install. The KAC-835 amplifier fits into tight spaces, making it ideal for vehicles where space is at a premium. The KENWOOD KAC-835 is equipped with both high-pass and low-pass filters. The high-pass filter is adjustable and allows users to set the crossover frequency for the full-range speakers, ensuring that only the appropriate frequencies are sent to the speakers, preventing distortion, and maximizing clarity. The low-pass filter, dedicated to the subwoofer channel, ensures that the subwoofer receives only the low-end frequencies, delivering tight, punchy bass. For those who crave deep, powerful bass, the KAC-835 features a variable bass boost function that allows you to adjust the low-frequency output to your preference.
    See all Multi-Channel Amps
    Your price for this item is $374.99
    The comparable value price is $499.99

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    Installation available at select stores - more info at checkout

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  2. Kenwood - KAC-531 Class D Digital Mono Amplifier with Variable Low-Pass Crossover and Bass Knob - Silver - Front_Zoom

    Product Description

    Upgrade your in-car audio with the Kenwood KAC-531 Class D Digital Mono Amplifier. Because of its construction, it is capable of up to 500 watts RMS power at 2 ohms and will surely give your subwoofer the energy it needs for a full, deep bass. Since this amplifier is Class D, it runs efficiently, providing good power handling without excessive heat generation. This makes it perfect for powering a subwoofer from a compact automotive setup. It features a variable low-pass crossover to let you tailor the frequency output from 50Hz to 200Hz to your taste and capability of the subwoofer. The KAC-531 is compact in design for easy installation and will even fit in tight spaces with no compromise on performance. Boasting an impressive 100dB signal-to-noise ratio, this amp keeps your audio crisp and clear, distortion-free; the included remote bass control lets you dial in the perfect bass level from your seat. Whether you're updating a sound system or swapping out an older amp, the Kenwood KAC-531 yields high performance value.
    See all Mono Subwoofer Amps

    Product Description

    Upgrade your in-car audio with the Kenwood KAC-531 Class D Digital Mono Amplifier. Because of its construction, it is capable of up to 500 watts RMS power at 2 ohms and will surely give your subwoofer the energy it needs for a full, deep bass. Since this amplifier is Class D, it runs efficiently, providing good power handling without excessive heat generation. This makes it perfect for powering a subwoofer from a compact automotive setup. It features a variable low-pass crossover to let you tailor the frequency output from 50Hz to 200Hz to your taste and capability of the subwoofer. The KAC-531 is compact in design for easy installation and will even fit in tight spaces with no compromise on performance. Boasting an impressive 100dB signal-to-noise ratio, this amp keeps your audio crisp and clear, distortion-free; the included remote bass control lets you dial in the perfect bass level from your seat. Whether you're updating a sound system or swapping out an older amp, the Kenwood KAC-531 yields high performance value.
    See all Mono Subwoofer Amps
    Your price for this item is $224.99
    The comparable value price is $299.99

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    Installation available at select stores - more info at checkout

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  3. Crunch - V-DRIVE 2125W 2-Channel Car Audio Amplifier - Black - Front_Zoom

    Product Description

    Elevate your entire soundstage with the Crunch DR-2125.2D from the V-Drive amplifier series—precision-engineered for versatility, performance, and bold aesthetics. With a built-in LED VU-Meter, you get real-time visual feedback for effortless gain matching. Thanks to Quick Thermal Dispersion Technology, it stays cool under pressure, powering up to 2125 watts when bridged ideal for a subwoofer or full-range setup. This Class D 2-channel amp also features a variable bass boost, high- and low-pass crossovers, and a wired bass remote, giving you tight control over your low-end and total command over your system's dynamics.
    See all Multi-Channel Amps

    Product Description

    Elevate your entire soundstage with the Crunch DR-2125.2D from the V-Drive amplifier series—precision-engineered for versatility, performance, and bold aesthetics. With a built-in LED VU-Meter, you get real-time visual feedback for effortless gain matching. Thanks to Quick Thermal Dispersion Technology, it stays cool under pressure, powering up to 2125 watts when bridged ideal for a subwoofer or full-range setup. This Class D 2-channel amp also features a variable bass boost, high- and low-pass crossovers, and a wired bass remote, giving you tight control over your low-end and total command over your system's dynamics.
    See all Multi-Channel Amps
    Your price for this item is $62.99
    The comparable value price is $89.99

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    Installation available at select stores - more info at checkout

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  4. Crunch - V-DRIVE 2525W 4-Channel Car Audio Amplifier - Black - Front_Zoom

    Product Description

    Power your full system with precision and style using the Crunch DR-2525.4D from the V-Drive amplifier series. This 4-channel Class D amp delivers bold output and flexible performance for both full-range and subwoofer setups. Its eye-catching LED VU-Meter offers real-time visual feedback for confident gain tuning, while Quick Thermal Dispersion Technology keeps it cool even under heavy loads. Push up to 2525 watts of total peak power and take full advantage of built-in high and low-pass crossovers to fine-tune your sound. Whether you're running components, coaxials, or bridging for subs, the DR-2525.4D brings dynamic control and clean amplification to every note.
    See all Multi-Channel Amps

    Product Description

    Power your full system with precision and style using the Crunch DR-2525.4D from the V-Drive amplifier series. This 4-channel Class D amp delivers bold output and flexible performance for both full-range and subwoofer setups. Its eye-catching LED VU-Meter offers real-time visual feedback for confident gain tuning, while Quick Thermal Dispersion Technology keeps it cool even under heavy loads. Push up to 2525 watts of total peak power and take full advantage of built-in high and low-pass crossovers to fine-tune your sound. Whether you're running components, coaxials, or bridging for subs, the DR-2525.4D brings dynamic control and clean amplification to every note.
    See all Multi-Channel Amps
    Your price for this item is $90.99
    The comparable value price is $128.99

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    Installation available at select stores - more info at checkout

    See all Multi-Channel Amps
  5. AudioControl - 300W Monoblock Class D Micro Amplifier - Black - Front_Zoom
    Top comment

    "I previously installed an infinite baffle (IB) sub in the shelf of my Audi S4 replacing the stock sub and was powering it using the stock B&O amplifier. It was a nice upgrade but I knew I could get more out of the IB sub by adding an amp. "

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    Product Description

    Enjoy powerful audio from your subwoofer or single-channel speaker with this 300W Monoblock Class D Micro Amplifier by AudioControl. The ACM-1.300 features a compact chassis that allows installation in confined spaces and a selectable low-pass crossover to get the most robust sound for your car’s audio system. This micro amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
    See all Mono Subwoofer Amps
    Top comment

    "I previously installed an infinite baffle (IB) sub in the shelf of my Audi S4 replacing the stock sub and was powering it using the stock B&O amplifier. It was a nice upgrade but I knew I could get more out of the IB sub by adding an amp. "

    See all customer reviews

    Product Description

    Enjoy powerful audio from your subwoofer or single-channel speaker with this 300W Monoblock Class D Micro Amplifier by AudioControl. The ACM-1.300 features a compact chassis that allows installation in confined spaces and a selectable low-pass crossover to get the most robust sound for your car’s audio system. This micro amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
    See all Mono Subwoofer Amps
    Your price for this item is $289.99

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    Installation available at select stores - more info at checkout

    See all Mono Subwoofer Amps
  6. Definitive Technology - Descend 15" Sub 3XR Architecture 1500W Peak Class H Amplifier (2) 15" Bass Radiators - Black - Front_Zoom

    Product Description

    Loaded with custom technologies, the Definitive Technology Descend DN15 is a digitally optimized subwoofer designed for movies and music. It is outfitted with dual 15” Bass Radiators that are pressure coupled to the 15” driver and 1500W peak Class H amplification that deliver powerful bass with amazing speed, musicality, and control even at 20Hz. Featuring the unique 3XR Architecture with three-times the bass-producing surface area of traditional subwoofers, the DN15 performs like two 18” ported subs and delivers exceptional and clearer lows without any unwanted port noise distortion. Featuring Intelligent Phase Control enables you to tune the subwoofer to flawlessly blend with your home theater system. Built-in controls allow adjust volume, low pass filter, EQs modes (Flat, Deep and Loud), and phase control (0/180°) for optimum bass levels. A perfect complement to any home theater system, you can easily connect the DN15 via LFE or stereo line level RCA inputs (cables not included). Add another, same-model subwoofer to your home audio set up to dramatically improve realism, smooth out peaks and dips, as well as to get an even bass response for all your movies and music. Be at the center of action from any part of the room!
    See all Subwoofer Speakers

    Product Description

    Loaded with custom technologies, the Definitive Technology Descend DN15 is a digitally optimized subwoofer designed for movies and music. It is outfitted with dual 15” Bass Radiators that are pressure coupled to the 15” driver and 1500W peak Class H amplification that deliver powerful bass with amazing speed, musicality, and control even at 20Hz. Featuring the unique 3XR Architecture with three-times the bass-producing surface area of traditional subwoofers, the DN15 performs like two 18” ported subs and delivers exceptional and clearer lows without any unwanted port noise distortion. Featuring Intelligent Phase Control enables you to tune the subwoofer to flawlessly blend with your home theater system. Built-in controls allow adjust volume, low pass filter, EQs modes (Flat, Deep and Loud), and phase control (0/180°) for optimum bass levels. A perfect complement to any home theater system, you can easily connect the DN15 via LFE or stereo line level RCA inputs (cables not included). Add another, same-model subwoofer to your home audio set up to dramatically improve realism, smooth out peaks and dips, as well as to get an even bass response for all your movies and music. Be at the center of action from any part of the room!
    See all Subwoofer Speakers
    Your price for this item is $1,279.00
    The comparable value price is $1,999.00

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    See all Subwoofer Speakers
  7. KICKER - KEY 500W Mono Amplifier with Variable Crossovers - Black - Front_Zoom

    Product Description

    Boost your car sound system with this 500W Kicker KEY smart mono amplifier. The 24dB subsonic and low-pass crossovers offer effective user control of audio, while the FIT 2+ feature enhances compatibility with various audio systems. This Kicker KEY smart mono amplifier features an AI-controlled DSP to restore sound quality and deliver crisp, even bass, and the compact design allows easy setup.
    See all Mono Subwoofer Amps

    Product Description

    Boost your car sound system with this 500W Kicker KEY smart mono amplifier. The 24dB subsonic and low-pass crossovers offer effective user control of audio, while the FIT 2+ feature enhances compatibility with various audio systems. This Kicker KEY smart mono amplifier features an AI-controlled DSP to restore sound quality and deliver crisp, even bass, and the compact design allows easy setup.
    See all Mono Subwoofer Amps
    Your price for this item is $224.99
    The comparable value price is $299.99

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    Installation available at select stores - more info at checkout

    See all Mono Subwoofer Amps
  8. Definitive Technology - Descend 12" Sub 3XR Architecture 1500W Peak Class H Amplifier (2) 12" Bass Radiators - Black - Front_Zoom

    Product Description

    Loaded with custom technologies, the Definitive Technology Descend DN12 is a compact, digitally optimized subwoofer designed for movies and music. It is outfitted with dual 12” Bass Radiators that are pressure coupled to the 12” driver and 1500W peak Class H amplification that deliver powerful bass with amazing speed, musicality, and control even at 25Hz. Featuring the unique 3XR Architecture with three-times the bass-producing surface area of traditional subwoofers, the DN12 performs like a 15” sub and delivers louder and clearer lows without any unwanted port noise distortion. Featuring Intelligent Phase Control enables you to tune the subwoofer to flawlessly blend with your home theater system. Built-in controls allow adjust volume, low pass filter, EQs modes (Flat, Deep and Loud), and phase control (0/180°) for optimum bass levels. A perfect complement to any home theater system, you can easily connect the DN12 via LFE or stereo line level RCA inputs (cables not included). Add another, same-model subwoofer to your home audio set up to dramatically improve realism, smooth out peaks and dips, as well as to get an even bass response for all your movies and music. Be at the center of action from any part of the room!
    See all Subwoofer Speakers

    Product Description

    Loaded with custom technologies, the Definitive Technology Descend DN12 is a compact, digitally optimized subwoofer designed for movies and music. It is outfitted with dual 12” Bass Radiators that are pressure coupled to the 12” driver and 1500W peak Class H amplification that deliver powerful bass with amazing speed, musicality, and control even at 25Hz. Featuring the unique 3XR Architecture with three-times the bass-producing surface area of traditional subwoofers, the DN12 performs like a 15” sub and delivers louder and clearer lows without any unwanted port noise distortion. Featuring Intelligent Phase Control enables you to tune the subwoofer to flawlessly blend with your home theater system. Built-in controls allow adjust volume, low pass filter, EQs modes (Flat, Deep and Loud), and phase control (0/180°) for optimum bass levels. A perfect complement to any home theater system, you can easily connect the DN12 via LFE or stereo line level RCA inputs (cables not included). Add another, same-model subwoofer to your home audio set up to dramatically improve realism, smooth out peaks and dips, as well as to get an even bass response for all your movies and music. Be at the center of action from any part of the room!
    See all Subwoofer Speakers
    Your price for this item is $1,039.00
    The comparable value price is $1,399.00

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    See all Subwoofer Speakers
  9. Metra - One Farad Digital Capacitor - Silver - Front_Zoom
    Top comment

    "Too good of price to pass"

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    Product Description

    Boost the audio quality of your vehicle's stereo system with this Metra One Farad digital capacitor. The capability to charge by using your car's alternator provides on-demand power for your stereo, and a digital display clearly shows the working voltage. This silver Metra One Farad digital capacitor has a universal design for use with nearly all automobiles.
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    Top comment

    "Too good of price to pass"

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    Product Description

    Boost the audio quality of your vehicle's stereo system with this Metra One Farad digital capacitor. The capability to charge by using your car's alternator provides on-demand power for your stereo, and a digital display clearly shows the working voltage. This silver Metra One Farad digital capacitor has a universal design for use with nearly all automobiles.
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    Your price for this item is $44.99
    Clearance
    The comparable value price is $109.99

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  10. Marantz - AV7706 Surround Pre-Amplifier - 11.2 Channel, Advanced 8K Upscaling, IMAX Enhanced, Auro-3D, Amazon Alexa Compatible - Black - Front_Zoom
    Top comment

    "Great Pre-amplifier...All I can say is this pre-amplifier amazing. You get the classic look with more features....Very solid AV processor has 8K pass thru although it has the HDMI bug but not a big deal for me"

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    Product Description

    Enjoy unmatchable audio and visual quality on a variety of sources with this powerful 11.2 AV Processor by Marantz that delivers balanced and premium sound quality. Supporting latest sound formats like Dolby Atmos, Dolby Atmos Height Virtualization Technology, DTS: X, & DTS Virtual: X, this Preamp delivers life-like multidimensional surround sound when paired with power amplifiers like Marantz MM7055 or MM8077. Take your home entertainment up a notch with heightened realism and immersive audio. Featuring 8 HDMI inputs (8K upscaling available) / 3 HDMI outputs, a dedicated 8K HDMI input, analog optical and coaxial inputs, a phono input, a USB port, an AM/FM tuner, this home theater receiver allows various connection options for DVD & Blu-Ray Players, Subwoofers, Speakers, Turntables etc. With advanced 8K upscaling, the new Marantz AV Processor takes your home entertainment up a notch with pristine video and audio quality. It supports 8K/60Hz and 4K/120Hz* pass-through capability, 4:4:4 Pure Color sub-sampling, technologies like, HLG, Dynamic HDR, HDR10, HDR10+, QFT, QMS, VRR & ALLM for 8K quality movies and a lag-free and gaming experience. The AV7706 allows you effortless and flexible voice control on all the major voice agents like Amazon Alexa, Google Assistant, Josh.ai, Apple Siri and AirPlay 2. Play music or control your home appliances, light, and speakers optimally from any corner of your house with just a voice command. Featuring wireless streaming through built-in Bluetooth, Wi-Fi and HEOS, this preamp allows you to seamlessly play music from your favorite streaming apps like Spotify, Tidal, TuneIn, Deezer, and Pandora. Additionally, Bluetooth Audio Transmission allows you to play audio simultaneously on speakers and Bluetooth headphones. Adding to the many features, the Marantz preamplifier gives you a whole-home audio experience with its multi-room and multi-source streaming options. The built-in HEOS technology lets you play the same song in every room or a different song in each room without any interruption. Be mesmerized by a superb cinematic experience with Marantz’s 65 years of audiophile heritage. * Does not support pass-through from all 4K/120Hz media sources
    See all Integrated Amplifiers
    Top comment

    "Great Pre-amplifier...All I can say is this pre-amplifier amazing. You get the classic look with more features....Very solid AV processor has 8K pass thru although it has the HDMI bug but not a big deal for me"

    See all customer reviews

    Product Description

    Enjoy unmatchable audio and visual quality on a variety of sources with this powerful 11.2 AV Processor by Marantz that delivers balanced and premium sound quality. Supporting latest sound formats like Dolby Atmos, Dolby Atmos Height Virtualization Technology, DTS: X, & DTS Virtual: X, this Preamp delivers life-like multidimensional surround sound when paired with power amplifiers like Marantz MM7055 or MM8077. Take your home entertainment up a notch with heightened realism and immersive audio. Featuring 8 HDMI inputs (8K upscaling available) / 3 HDMI outputs, a dedicated 8K HDMI input, analog optical and coaxial inputs, a phono input, a USB port, an AM/FM tuner, this home theater receiver allows various connection options for DVD & Blu-Ray Players, Subwoofers, Speakers, Turntables etc. With advanced 8K upscaling, the new Marantz AV Processor takes your home entertainment up a notch with pristine video and audio quality. It supports 8K/60Hz and 4K/120Hz* pass-through capability, 4:4:4 Pure Color sub-sampling, technologies like, HLG, Dynamic HDR, HDR10, HDR10+, QFT, QMS, VRR & ALLM for 8K quality movies and a lag-free and gaming experience. The AV7706 allows you effortless and flexible voice control on all the major voice agents like Amazon Alexa, Google Assistant, Josh.ai, Apple Siri and AirPlay 2. Play music or control your home appliances, light, and speakers optimally from any corner of your house with just a voice command. Featuring wireless streaming through built-in Bluetooth, Wi-Fi and HEOS, this preamp allows you to seamlessly play music from your favorite streaming apps like Spotify, Tidal, TuneIn, Deezer, and Pandora. Additionally, Bluetooth Audio Transmission allows you to play audio simultaneously on speakers and Bluetooth headphones. Adding to the many features, the Marantz preamplifier gives you a whole-home audio experience with its multi-room and multi-source streaming options. The built-in HEOS technology lets you play the same song in every room or a different song in each room without any interruption. Be mesmerized by a superb cinematic experience with Marantz’s 65 years of audiophile heritage. * Does not support pass-through from all 4K/120Hz media sources
    See all Integrated Amplifiers
    Your price for this item is $3,200.00
    Open-Box Only

    New conditions of this item are unavailable, but we do have open-box conditions in your area.

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