Power Tubes
Best Buy customers often prefer the following products when searching for Power Tubes.
Power tubes are the workhorses of your audio system. They're the components that convert the AC power from your wall socket into the high-voltage, low-amperage signal that drives your speakers. Browse the top-ranked power tubes below along with associated reviews and opinions.
Rotel - RMB-1587MKII 250W 7-Ch Multi-Channel Amplifier - Black
Model: RMB-1587MKII BlackSKU: 6571770Top comment"A great amp with lots of power and tube-like SQ...With a good week's worth of breaking in I find the amp quite powerful enough to run my home theater with room-filling Dolby Atmos sound and for more discerning listening, it brings to the music the warm and natural quality of a much more expensive tube amp. The acoustics of the recording venues are amazingly apparent. "
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Step into the world of Rotel's RMB-1587MKII, a 7-channel amplifier built to elevate your home theater experience. With 155W per channel at 8 ohms and a robust 250W at 4 ohms, each channel delivers powerful, precise sound that enhances your connection to music and movies like never before.See all Power AmplifiersTop comment"A great amp with lots of power and tube-like SQ...With a good week's worth of breaking in I find the amp quite powerful enough to run my home theater with room-filling Dolby Atmos sound and for more discerning listening, it brings to the music the warm and natural quality of a much more expensive tube amp. The acoustics of the recording venues are amazingly apparent. "
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Step into the world of Rotel's RMB-1587MKII, a 7-channel amplifier built to elevate your home theater experience. With 155W per channel at 8 ohms and a robust 250W at 4 ohms, each channel delivers powerful, precise sound that enhances your connection to music and movies like never before.
Rotel - RB-1582MKII 200W 2-Ch Stereo Amplifier - Black
Model: RB-1582MKII BlackSKU: 5708740Top comment"I was using a Primaluna EVO 300 tube amp, although it drove them IMO it was taking a lot out the tubes. ...I added this Rotel amp to my Denon AVR-X6400H receiver to supply more power to my B&W CM10 S2 main speakers. While the Denon did a good job, the 200w per channel Rotel has really opened the soundstage and allowed the B&W to really "sing" (pun intended). "
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Meet the RB-1582MKII, a compelling stereo amplifier that delivers a powerful 2 x 200 Watts per channel while harnessing Rotel's Balanced Design Concept for superior performance. Get ready to experience audio like never before.Top comment"I was using a Primaluna EVO 300 tube amp, although it drove them IMO it was taking a lot out the tubes. ...I added this Rotel amp to my Denon AVR-X6400H receiver to supply more power to my B&W CM10 S2 main speakers. While the Denon did a good job, the 200w per channel Rotel has really opened the soundstage and allowed the B&W to really "sing" (pun intended). "
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Meet the RB-1582MKII, a compelling stereo amplifier that delivers a powerful 2 x 200 Watts per channel while harnessing Rotel's Balanced Design Concept for superior performance. Get ready to experience audio like never before.See all Power AmplifiersYour price for this item is $1,999.00The comparable value price is $2,499.00Select pickup
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PYLE - 20W 2-Ch. Power Amplifier - Black
Model: PTA2SKU: 4456038Top comment"The output is connected to JBL L50 speakers. It powers them nicely. It's small, it just sits on top of one of the speakers. ...Powers two 30W speakers easily. Works with component turntables and tape decks. "
See all customer reviewsSee all Integrated AmplifiersProduct Description
Enjoy full amplified sound in a small footprint with this Pyle Pro PTA2 power amplifier. Perfect for parties, this little amp is completely portable and features left and right push buttons for balanced control of your sound. The 2 x 40 max wattage output of this Pyle Pro PTA2 power amplifier ensures you hear every beat.Top comment"The output is connected to JBL L50 speakers. It powers them nicely. It's small, it just sits on top of one of the speakers. ...Powers two 30W speakers easily. Works with component turntables and tape decks. "
See all customer reviewsSee all Integrated AmplifiersProduct Description
Enjoy full amplified sound in a small footprint with this Pyle Pro PTA2 power amplifier. Perfect for parties, this little amp is completely portable and features left and right push buttons for balanced control of your sound. The 2 x 40 max wattage output of this Pyle Pro PTA2 power amplifier ensures you hear every beat.See all Integrated AmplifiersYour price for this item is $113.99
Laney - 15W Combo Guitar Tube Amplifier
Model: VC 15-110SKU: 4108035See all Amps & EffectsYour price for this item is $499.99Sold Out
Metra - 10AWG Complete Amp Kit - Multi
Model: TC5KIT-10SKU: 9855506Top comment"Details needed to install kit that I purchased from Best Buy to hook up a bazooka tube they did a flawless of job...got my kit in and installed the same day. easy installation and havent had any problems yet, powers my amp perfect"
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This power and installation kit features RCA patch cables that transfer low-level signals from the source unit to the amplifier, near the rear of your vehicle. The crystal oxygen-free copper material ensures durability.See all Amp Installation KitsTop comment"Details needed to install kit that I purchased from Best Buy to hook up a bazooka tube they did a flawless of job...got my kit in and installed the same day. easy installation and havent had any problems yet, powers my amp perfect"
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This power and installation kit features RCA patch cables that transfer low-level signals from the source unit to the amplifier, near the rear of your vehicle. The crystal oxygen-free copper material ensures durability.
KICKER - KEY 200W Multichannel Amplifier with High-Pass Crossover - Black
Model: 47KEY2004SKU: 6409449Top comment"I have this amplifier powering Memphis Audio Power Reference 6x9 components up front and 6.5 coaxials in the rear door. ...Tiny machine huge Power...Tiny machine great power. Set up was easy. Love the ease of use"
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Turn it up to 11 with this KICKER four-channel amplifier. With 200W of raw power, this amplifier boosts the potential of OEM or aftermarket stereos for effortless incorporation. Acoustic correction provides concert-quality sound, while FIT2 technology ensures compatibility with nearly every stock or custom stereo system on the market. This KICKER four-channel amplifier supports the start/stop technology found in hybrids and other gas-savers, ensuring unimpeded enjoyment.Top comment"I have this amplifier powering Memphis Audio Power Reference 6x9 components up front and 6.5 coaxials in the rear door. ...Tiny machine huge Power...Tiny machine great power. Set up was easy. Love the ease of use"
See all customer reviewsSee all Multi-Channel AmpsProduct Description
Turn it up to 11 with this KICKER four-channel amplifier. With 200W of raw power, this amplifier boosts the potential of OEM or aftermarket stereos for effortless incorporation. Acoustic correction provides concert-quality sound, while FIT2 technology ensures compatibility with nearly every stock or custom stereo system on the market. This KICKER four-channel amplifier supports the start/stop technology found in hybrids and other gas-savers, ensuring unimpeded enjoyment.See all Multi-Channel AmpsYour price for this item is $224.99The comparable value price is $299.99Select pickup
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Installation available at select stores - more info at checkout
Kenwood - Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black
Model: KAC-511SKU: 6330947Top comment"Good size and power....This amp is the right size for the limited space in my pick up truck. It powers the Kicker 8" subwoofer enclosure perfectly. ...Awesome power 10/10 powers both of my subs sounds great"
See all customer reviewsSee all Mono Subwoofer AmpsProduct Description
Elevate your car audio experience with the Kenwood KAC-511 Class D Digital Mono Amplifier. This amplifier delivers up to 500 watts of RMS power at 2 ohms, providing your subwoofer with the energy it needs to produce rich, deep bass. Designed for efficiency, this Class D amplifier ensures reliable power handling without excessive heat, making it perfect for powering a subwoofer in a compact automotive setup. It features a variable low-pass crossover, allowing you to fine-tune the frequency output between 50Hz and 200Hz to suit your preferences and subwoofer capabilities. With a sleek, compact design that makes installation easy, the KAC-511 is ideal for tight spaces without sacrificing performance. A 100dB signal-to-noise ratio ensures that your audio remains crisp and clear, free from distortion, while the included remote bass control lets you adjust the bass level from your seat. Whether you're upgrading your sound system or replacing an older amp, the Kenwood KAC-511 offers high-quality performance at an excellent value.Top comment"Good size and power....This amp is the right size for the limited space in my pick up truck. It powers the Kicker 8" subwoofer enclosure perfectly. ...Awesome power 10/10 powers both of my subs sounds great"
See all customer reviewsSee all Mono Subwoofer AmpsProduct Description
Elevate your car audio experience with the Kenwood KAC-511 Class D Digital Mono Amplifier. This amplifier delivers up to 500 watts of RMS power at 2 ohms, providing your subwoofer with the energy it needs to produce rich, deep bass. Designed for efficiency, this Class D amplifier ensures reliable power handling without excessive heat, making it perfect for powering a subwoofer in a compact automotive setup. It features a variable low-pass crossover, allowing you to fine-tune the frequency output between 50Hz and 200Hz to suit your preferences and subwoofer capabilities. With a sleek, compact design that makes installation easy, the KAC-511 is ideal for tight spaces without sacrificing performance. A 100dB signal-to-noise ratio ensures that your audio remains crisp and clear, free from distortion, while the included remote bass control lets you adjust the bass level from your seat. Whether you're upgrading your sound system or replacing an older amp, the Kenwood KAC-511 offers high-quality performance at an excellent value.See all Mono Subwoofer AmpsYour price for this item is $42.99The comparable value price is $199.99
Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black
Model: KTP-445USKU: 4769803Top comment"I purchased this amplifier at the recommendation of the auto tech. This amp powers all 4 of my door speakers, giving them plenty of power and volume. ...Plenty of Power in a small package...Powers 4 jbl door speakers and fits behind headunit, was pleasantly surprised by the difference it made in overall sound"
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Give your car stereo system a power boost with this Alpine Power Pack KTP-445U 180W Class D bridgeable 4-channel amplifier that features a 12dB/Oct high-pass filter for powerful sound.Top comment"I purchased this amplifier at the recommendation of the auto tech. This amp powers all 4 of my door speakers, giving them plenty of power and volume. ...Plenty of Power in a small package...Powers 4 jbl door speakers and fits behind headunit, was pleasantly surprised by the difference it made in overall sound"
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Give your car stereo system a power boost with this Alpine Power Pack KTP-445U 180W Class D bridgeable 4-channel amplifier that features a 12dB/Oct high-pass filter for powerful sound.See all Multi-Channel AmpsYour price for this item is $289.99Select pickup
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Installation available at select stores - more info at checkout
KICKER - CX 400W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black
Model: 46CXA4001SKU: 6333354Top comment"Compact power...Powers my massive audio sub effortlessly! Also-ran doesn't take up too much space!...Good amp. Powers my 12 nicely. I had a 12 and 10 hooked up and had plenty power for that. "
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Enhance music with this KICKER CX-Series Mono amplifier. The three-second delay when turning this device on or off eliminates unwanted interference, while the subsonic filter removes potentially damaging frequencies. This KICKER CX-Series Mono amplifier has a compact design for easy installation, and the Fail-safe Integration Technology-PLUS provides compatibility to work with almost any radio.Top comment"Compact power...Powers my massive audio sub effortlessly! Also-ran doesn't take up too much space!...Good amp. Powers my 12 nicely. I had a 12 and 10 hooked up and had plenty power for that. "
See all customer reviewsSee all Mono Subwoofer AmpsProduct Description
Enhance music with this KICKER CX-Series Mono amplifier. The three-second delay when turning this device on or off eliminates unwanted interference, while the subsonic filter removes potentially damaging frequencies. This KICKER CX-Series Mono amplifier has a compact design for easy installation, and the Fail-safe Integration Technology-PLUS provides compatibility to work with almost any radio.See all Mono Subwoofer AmpsYour price for this item is $149.99The comparable value price is $199.99Select pickup
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Installation available at select stores - more info at checkout
KICKER - CX 800W Class D Digital Mono Amplifier with Variable Low-Pass Crossover - Black
Model: 46CXA8001SKU: 6333358Top comment"Great amp with lots of power! Using to run a Skar DDX 12” subwoofer and it powers it great. ...Just the right amount of power...Used to power a 10” kicker tube and it works great!"
See all customer reviewsSee all Mono Subwoofer AmpsProduct Description
Create a custom sound experience with this KICKER CX-Series mono amplifier. The variable 12dB crossovers provide the control you need to get the exact sound you want, and the 24dB subsonic filter protects against damaging frequencies. With its small footprint and Fail-safe Integration Technology-PLUS, this KICKER CX-Series mono amplifier is easy to install and works with almost any radio.Top comment"Great amp with lots of power! Using to run a Skar DDX 12” subwoofer and it powers it great. ...Just the right amount of power...Used to power a 10” kicker tube and it works great!"
See all customer reviewsSee all Mono Subwoofer AmpsProduct Description
Create a custom sound experience with this KICKER CX-Series mono amplifier. The variable 12dB crossovers provide the control you need to get the exact sound you want, and the 24dB subsonic filter protects against damaging frequencies. With its small footprint and Fail-safe Integration Technology-PLUS, this KICKER CX-Series mono amplifier is easy to install and works with almost any radio.See all Mono Subwoofer AmpsYour price for this item is $224.99The comparable value price is $299.99Select pickup
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Installation available at select stores - more info at checkout
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