![]() ![]() Car amplifiers come in many shapes and sizes, but most of them allow you to use speakers that would otherwise be unusable in a car, such as a subwoofer.Ĭar amplifiers may not be a must-have for every vehicle, but here are some reasons as to why you’d need or want one for your own car. Here’s what you need to know to purchase the ideal car amplifier.Ī car amplifier is a device that boosts the volume and sound quality of your car’s sound system. They give you the added power and control over your sounds, so you can blast tunes while driving or even play music at a park or venue with your car doors open. But if you own an older vehicle, or are just not content with the sound system that’s already built-in, then you may want something with more power. They’re perfect for listening to podcasts, making calls with co-workers while driving, and tuning to the radio. Many modern cars come with sound systems that, for the most part, deliver great sound. Though the price may seem steep, this is easily one of the better amplifiers if you can spring for the price tag. The differential-balanced inputs separate the audio signal cables from the chassis ground, so your speakers are not muddled with background noise. The HD900/5 is packed full of JL Audio’s best technologies, from high- and low-pass filters that you can adjust to eliminate the frequencies that your speakers cannot work with, preserving sound quality. Bridging the outputs nets 150 watts RMS through 2 channels from 3-6 ohms, and the ‘subwoofer’ channel remains unchanged in output. The remaining channel receives 500 watts RMS at anywhere from 1.5-4 ohms, so you can be assured that your subwoofer will be suitably loud. You get 100 watts RMS through 4 channels at 4 ohms, or 75 watts RMS when the impedance is lowered to 1.5-3 ohms. Versatility is the name of the game here, with different output levels designed to match voltage and impedance. The result is staggering performance, with all of the intelligent and convenient features that you find on the Slash v2 amplifiers. According to JL Audio, the HD900/5 is the result of combining two of their excellent Slash v2 amps: the 300/4v2 and the 500/1v2. JL Audio’s HD series of amplifiers represent the best that this company has to offer. As is fitting for a flagship model from a company like Rockford Fosgate, this is a highly capable, reliable amplifier that shows no real weaknesses to speak of. The circuitry inside this amplifier features advanced algorithms designed to eliminate distortion and interference, and the differential input design ensures that there is no cross-contamination between the signals. ![]() The Power T400-2 is capable of impressive power levels, from 120 watts RMS to 2 channels at 4 ohms, 200 watts RMS to 2 channels at 2 ohms, to a whole 400 watts RMS in bridged mode at 4 ohms. From the first glance, you can tell that the designers at Rockford Fosgate sweated the details, from high-quality connections (to reduce quality degradation at the connection) to the wrap-around heat sink with dynamic thermal management technology to reduce distortion-causing hot spots on the amplifier body. ![]() Considering the fact that the ‘Power’ series of amplifiers are Rockford Fosgate’s flagship offerings, you get a lot for your money with the Power T400-2.
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