Alpine's KTP-190U "Power Pack" mono amplifier can power a 2-ohm sub with 60 watts RMS, yet this compact amp will fit behind most dashboards for a truly stealthy installation. The KTP-190U can also send 90 watts to a 1-ohm load safely, so it's a great choice as a replacement amp for a low-impedance factory sub. The KTP-190U will work with most non-premium factory radios and aftermarket receivers, but it's not a plug-and-play installation — you'll have to wire it into your system.

Want a simple way to kick up the power of your Alpine receiver? Alpine's "Power Pack" amplifier increases your Alpine receiver's power output to 45 watts RMS power by 4 channels — plenty of power to drive high-performance speakers or keep up with a big subwoofer amplifier.

Alpine makes it a little easier to get great sound in your vehicle, with their V-Power Series MRV-V500 amplifier. This 5-channel powerhouse can put out 40 watts RMS to four full-range speakers and up to 250 watts RMS to a subwoofer, and still fit into the tight spaces you find in many cars and trucks these days. You can also use this versatile amp in 3-channel mode, driving a pair of high-performance speakers with 120 watts each, while still sending 250 watts to a sub.

Tens of thousands have relied on V-Power amplifiers for dependable, quality power. Now in their fourth generation, V-Power amplifiers carry on this heritage and prove that playing strong never looked our sounded better. Yes, it is possible to improve upon a good thing.

Alpine makes it a little easier to get great bass in your vehicle, especially if you drive a compact car. Their V-Power Series MRV-M500 mono subwoofer amplifier sends up to 500 watts RMS to your sub, guaranteeing some powerful bass on your drive. And Alpine made this amp so small — it's got less than an 8" by 8" footprint and it's just over 2" tall — it can fit almost anywhere.

Want a simple way to crank up the power of your receiver? Alpine's "Power Pack" amplifier increases your receiver's power output to 45 watts RMS by 4 channels. That's a big jump up from the 7-20 watts per channel typically put out by a car radio, and plenty of power to drive high-performance speakers or keep up with a big subwoofer amplifier. Best of all, this compact amplifier is so efficient you can often run it off the same circuit that powers your receiver. A universal plug lets you feed a signal via RCA outputs or speaker-level wiring.

Alpine makes it a little easier to get great sound in your vehicle, with their V-Power Series MRV-V500 amplifier. This 5-channel powerhouse can put out 40 watts RMS to four full-range speakers and up to 250 watts RMS to a subwoofer, and still fit into the tight spaces you find in many cars and trucks these days. You can also use this versatile amp in 3-channel mode, driving a pair of high-performance speakers with 120 watts each, while still sending 250 watts to a sub.

The new Alpine PDXM6 amplifiers are completely re-engineered for performance, sound quality, and reliability. The PDXM6 are for the true car audio enthusiast, all from a compact size. Consider the bar raised.  

Alpine managed to pack more power per square inch into their PDR-M65 mono Power Density Reference amplifier than almost any other amp in its class. The  PDR-M65 can put out up to 650 watts RMS, giving solid punch and definition to your bass, and it'll fit in almost any of the tiny spaces you find in many cars and trucks these days. You can adjust the amp's low-pass filter and bass boost to get just the right bass tone, and you can add the optional RUX-KNOB remote bass knob to control your bass from the dash.

Alpine managed to pack more power per square inch into their PDR-F50 4-channel Power Density Reference amplifier than almost any other amp in its class. The PDR-F50 can put out 85 watts RMS per channel, giving extra clarity and volume to your full-range speakers, and it'll fit in almost any of the tiny spaces you find in many cars and trucks these days. You can also use this versatile amp in 3-channel mode, driving your speakers with the front channels, and bridging the rear channels to send up to 250 watts RMS to your sub.

Alpine managed to pack more power per square inch into their PDR-V75 5-channel Power Density Reference amplifier than almost any other amp in its class. The PDR-V75 can put out 75 watts RMS per channel to your four full-range speakers, plus up to 350 watts RMS to a subwoofer, and it'll fit into many of the tight spaces you find in many cars and trucks these days. You can also use this versatile amp in 3-channel mode, driving a pair of high-performance speakers with 200 watts each, while still sending 350 watts RMS to a sub.

Alpine's X-Series X-A90M subwoofer amplifier will sharpen the focus of your music's bass image — it'll sound like the bass and kick drum are playing inside your car. This mono amp puts out up to 900 watts RMS of sub-pounding power, making it a perfect match for an Alpine X-Series 10" or 12" subwoofer. Speaker-level inputs allow you to add this amp to almost any system, even one with a factory radio.

Alpine's X-Series X-A90F car amplifier will sharpen the focus of your music's stereo image, almost like the musicians are playing inside your car. This 4-channel amplifier puts out 120 watts RMS per channel, so you can be sure you'll get the big sound you want. You can also use this amp in 2-channel mode to power a couple subwoofers with 350 watts RMS each. Speaker-level inputs allow you to add this amp to almost any system, even one with a factory radio.

Alpine packs Class-D amplifier technology into their PDX amplifiers for awesome power from a 2" tall frame. These small-but-mighty amps run so cool they can be stacked together into a single unit — their heatsinks couple together to cool the entire stack. Each amp offers an 8" by 10" footprint, so they'll fit in hatchbacks, trunks, truck cabs, and any vehicles with limited space.

Alpine makes it a little easier to get great bass in your vehicle. Their V-Power Series MRV-M1200 mono subwoofer amplifier can send up to 1,200 watts RMS to a sub, guaranteeing some truly powerful performance on your drive.

The new Alpine PDX Series amplifiers are completely re-engineered for performance, sound quality, and reliability. The PDX series are for the true car audio buff.

The new Alpine PDXM12 amplifiers are completely re-engineered for performance, sound quality, and reliability. The PDXM12 are for the true car audio enthusiast, all from a compact size. Consider the bar raised.  

Alpine's X-Series X-A90V car amplifier will sharpen the focus of your music's stereo image, almost like the musicians are playing inside your car. This 5-channel amplifier delivers 75 watts RMS to each of your front and rear car speakers, and up to 500 watts RMS to a subwoofer, powering your entire system from one neat chassis. Or, if you're going a different route, you can use the amp in 3-channel mode to drive a couple of high-performance components with 200 watts RMS each, plus a sub with 500 watts. Speaker-level inputs allow you to add this amp to almost any system, even one with a factory radio.

Power Up! Save Space. Good things come in small, stackable packages. Who knew something so small could pump so much power? The Alpine marine PDX series amplifiers are for the true audio enthusiast - for those who want the best power, sound quality, and efficiency, all from a compact size. Get the most out of your system with Digital PDX.