4 channel amp subwoofer9/1/2023 ![]() If you are running powerful 2 ohm speakers, this amp will push 150 watts RMS through each channel, whereas 4 ohms will give you 75W per channel. First, the S/N ratio on this amp is above average with a 150/85 dB, depending on your setup, though, 85 dB is more accurate for most modern standards. This A/B class amp also produces a high-quality soundscape and you’ll go a long way to beat it for sound quality. If for some reason you have an 8-track, this is the amplifier for you. ![]() This is generally about 50 mV lower and 2 volts higher than the next closest competitor. Specifically, the Rockford can accept input from far more sources than most amps with an input sensitivity that ranges from 150 mV all the way up to 12 volts. The brand has even gone the extra mile, making a product that can work with a much wider range of other hardware than most of the car amplifiers on my list. With this 4-channel amp, Rockford is maintaining its image for producing some quality, powerful car audio equipment. All I will say is that you get everything you pay for, but that is its only let down: This Alpine amp very expensive. I haven’t even mentioned the controls on this, but I want to give each amplifier an equal footing. The Alpine X-A70F also has the least amount of S/N at 115/95 dB and the THD is a low 0.05%, both of which makes this amp’s dynamic, realistic sound reproduction second-to-none. No other amp on the list comes anywhere near that value, and this allows for some amazing fidelity. this amp has the broadest frequency range at 5 Hz to 100 kHz frequency range. Too much, in fact, but some people like their car to really shake.Īll that power you might think the amp will overheat, but thanks to its D Class, and the heatsink design, the amp performs well for long periods of time without getting too hot. An example set up will give you 350W RMS x 2 4 ohms for some of the most incredible volume. If for some reason you want even more power, this amplifier is bridgeable, and will allow you to run a 3-channel or 2-channel amplifier. This will allow you to run 4 high performance speakers around your vehicle, and the soundscape will likely be better than anything you have ever heard in a car. ![]() If you want more power you can push 175W RMS 2 ohms. The amp pushes 120 watts of RMS power per channel 4 ohms impedance, making it the most powerful amp on my list. This amplifier is very expensive, and possibly out of most people’s price range. In fact, it’s actually a better amp for many of my chosen niches than other amps take the title for, but it comes at a cost. This Alpine Amp X-A70F is quite simply the best 4-channel amplifier for overall sound quality and performance, not only on my list, but in the car audio space. The first product on my list is from Alpine, the only brand to get two picks – a brand that has been making high quality car audio equipment for decades. What Is The Best 4-Channel Amp? Alpine X-A70F X-Series – 4-Channel Amp There are many others and I have tried to be as diverse as possible, and ensure there’s an amp for all needs and costs.Īfter the review there’s an in-depth Car Amp Buyer’s Guide to help make sure you understand exactly the best amplifier to get for you. In this review, I have put together a list of some of the best 4-channel amplifiers on the market, whatever the vehicle. So if you really want to pump those tunes, a good quality car amplifier should be the first thing you look to upgrade.īut what is the best 4-channel amp? As with everything in the car audio industry, there’s no single best 4-channel amplifier, and much of it boils down to your taste and your existing stereo system. Therefore, an investment in a good quality amplifier will improve your car stereo sound system no end, even if you don’t add any other parts. Unless you buy a high-end vehicle, you will need one to power your tunes, because factory stereo systems are subpar.
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