The Rockville SS8P features a frequency response spanning between 20 Hz to 150 Hz, which means that it can only reproduce bass frequencies. This specific LPF is variable as well, allowing you to specify what the cutoff should be between 50Hz and 150Hz. Carbon fiber, like Kevlar, is tough, lightweight and flexible. Sometimes manufacturers may inject carbon into polypropylene in order to increase the stiffness. Read honest and unbiased product reviews from our users. It has a thermal protection circuit, a short protection circuit and an overload protection circuit – which all serve to keep it from being damaged, even if something goes wrong. If I had to choose just one amplifier out of all those on this list, I’d have to go with the Rockford Fosgate P300-12. Great value and an excellent choice in this category. This is a compact, powerful sub with a built-in amp that is ideal for under seat installation but that could also be installed elsewhere if required. This is another great option for adding powerful bass to your car’s system without taking up too much space or burning a hole in your wallet. Phase switches help you deal with ‘dead’ bass notes. Soft Delayed Remote Turn-On. It gives you a decent level of bass, with an RMS rating of 150 watts. Features include a variable low pass filter, high- and low-level inputs, a subsonic filter and a variable bass boost to allow you to control how much deep sound you want – if you want to crank it up high, this model lets you do it! High Level Inputs with... Adjustable Input Sensitivity. Third, most under-seat subs come with their own built-in amplifiers. Both the amplifier and the subwoofer feature an RMS of 120 watts. That being said, if you’re not the type who listens to music loudly inside of the car (or prefer to use headphones) then this could be enough power for you. The products featured on this page were last updated on 2020-08-25 at 19:50 /. You can read my review of each below. While this sub won’t rattle your windows and vibrate your mirrors, it will give you a decent extra level of bass when you want to turn your music up and play it loud – which is just what you would expect from this type of sub and at this price point. This is the best-powered subwoofer car you can get at a very affordable price. Rockville SS8P Under-Seat Active Powered Car/Truck Subwoofer Sub. It includes a low pass filter at 50-150Hz, a bass boost from 0 to 12dB at 45Hz and a subsonic filter at 20Hz, ensuring high-quality and customizable sound. This model gives peak power of … As a result, this amplifier was designed to only work with subwoofers. While these are also stiff and flexible, they’re usually not as durable as rubber. This under seat sub from Rockville is very similar to the one above. As a result, this amplifier was designed to only work with subwoofers. Overall, a great option for someone who loves bass who but doesn’t have the space or the cash for something bigger and more expensive. This 10-inch powered subwoofer from Rockville features an RMS of 200 watts, which is enough for anyone who listens to music out loud on the regular. Enclosure is made out of cast aluminum which stays cool at all times. Adjustable Input Sensitivity. All you need is a little tweaking and you can get every bit of detail and nuance out of the low-end. The Rockville SS8P’s bass boost focuses on all signals at the 45 Hz frequency, allowing you to increase their volume by up to 12 dB. This model gives peak power of 400 watts and RMS power of 100 watts. Sensitivity is a very useful specification if you’ve got a relatively low-output amplifier. It’s not only fitted with its only amplifier, but it also features adjustable input sensitivity. This is because class D amplifier circuits don’t retain any electricity when they’re turned off, hence almost none is wasted as heat energy. The Alpine Electronics PWE-S8 comes with a built-in class D amplifier, which means that it’s extremely efficient. For instance, details like RMS, sensitivity and impedance will tell you whether or not a sub will be effective and/or safe when paired to an amplifier with a certain amount of power output. I’d recommend setting the cutoff as high as possible so that you can get rid of the excess distortion. The amplifier also detects shorts and cuts off the output of the amplifier immediately. Here we have another very tasty piece of equipment, this time from another highly respected brand, Kenwood. The bass response coming from this amplifier sounded excellent with tons of detail and articulation even at very high volumes. This works pretty much exactly like the boost found in the Rockville SS8P which isn’t all that surprising, considering it’s from the same brand. The Rockville RW10CA has an impedance of 2 ohms instead of the standard 4 ohms, which means that it’s designed to draw more power out of an amplifier. Find helpful customer reviews and review ratings for Rockville SS8P 400w 8" Slim Under-Seat Active Powered Car/Truck Subwoofer Sub at Amazon.com. A good option if you want to give your car’s bass a boost. The design has innovative features that make the SS8P user-friendly and more advanced in comparison with other options on the list. More watts add more volume to the sound output. This essentially means that there won’t be any excessive rattling of the cone and any distortion in the signal path. For the money, the Rockville SS8P is a definite no-brainer. Polypropylene is also a very stiff material, which means that cones made out of it are less likely to flex while moving very rapidly. Like all of the other subwoofers on this list, the P300-12 has a little trouble when it comes to reproducing upper-bass frequencies. Most Pioneer products are highly recommended, and this one is no different. This means that if you feed this particular subwoofer one watt, you’ll get it to reach a moderately loud volume. The material that makes up the subwoofer cone can indicate mainly two things: sound quality and durability. The Rockville SS8P features an RMS of 100 watts which isn’t all that high for a subwoofer amplifier. It is a very compact unit, meaning it is easy to install under the seats of most cars, and is capable of producing some very fine crisp, deep bass. This is exactly what the sensitivity rating of a sub will tell us – specifically, how much volume (in decibels) you can get out of a sub by directing one watt to it. The KSC-SW11’s adjustable LPF lets you set a cutoff anywhere between 50 to 125 Hz. This way, the internal components are protected from unexpected voltage surges and shorts resulting from a subwoofer failure. Variable low-pass filter and subsonic filter allows you to dial out the distortion in the low-end, Bass boost adds more ‘punch’ to the low-end, Power output might not be enough for some users, Frequency response doesn’t cover the entire bass range, Durable, heat-drawing aluminium enclosure, Slight distortion in the upper-bass frequencies, No information available on the impedance and sensitivity ratings.