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Our expert explains how to install the Alpine KTP-445 Power Pack car amplifier. It's designed to fit behind the radio in most dashes, and connects in-line between the radio and your factory speaker wiring.
How much power and how many channels do your car speakers need? This guide will help you choose the right amplifier for your car's sound system.
Sony designed their XMS400D car amplifier to fit where others won't. It's small enough to fit behind the dash in many vehicles, and powerful enough to add some serious juice to your speakers.
What is amplifier class? We'll explain the differences between Class D and Class AB, the two most common types of amplifiers available today.
The Kicker KEY180.4 compact amplifier is more than just a tiny 4-channel amp that will fit behind the glovebox. There are plenty of those out there. It also has built-in sound tuning that will deliver the best-sounding music at the push of a button. We tried it out in two different vehicles.
Dan performed a major sound upgrade in his 1991 Mazda Miata by installing an Alpine KTP-445A compact car amplifier, a new Alpine receiver, and Polk Audio db speakers.
Different amps with the same wattage ratings can have wildly different prices because not all watts are created equal - some are better due to the amp's build quality.
When you add an amp to your system, the sound becomes higher, wider, and more realistic like the band's in the car and you're in the front row.
SpeakerCompare simulates the sound of home and car speakers through your headphones. It lets you compare sonic characteristics between speakers so that you can make a more informed shopping decision.Learn more
To help you choose the right speakers, we recommend using Crutchfield’s SpeakerCompare Listening Kit. It includes a pair of studio-quality headphones, a combination DAC (digital-to-analog converter) and headphone amp, USB mobile adapters, and a guide to getting the most out of your session. We’ve carefully chosen the components of this kit to ensure a crystal-clear listening experience. It’s available for a nominal rental fee, and includes a $25 Crutchfield merchandise credit.Request a kit
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