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One of the best 8-inch powered subwoofers out in the market, the Memphis Audio SRX18SPT subwoofer is the perfect audio component for your car audio system's bassy needs. Belonging to Memphis Audio's Street Reference Series, this subwoofer is maybe the significant bass upgrade you are looking for.
The Memphis Audio SRX18SPT comes with a ported tube design, allowing the subwoofer to produce the low frequencies ideally. It is wrapped in a black carpet with the Memphis logo. It has a built-in amplifier with gain control and a low pass filter from 50 Hz up to 200 Hz, which is an excellent feature to have, as it protects your subwoofer from blowing off.


The subwoofer has a power output of 150 Watts RMS and has a maximum power of 300 Watts. It is more than loud enough for a powered subwoofer designed for vehicles, but the Memphis Audio SRX18SPT can still last for a long time without having any issues, even with extensive use at cranked-up volume.
For installation, it can easily be mounted anywhere in your car, and it also comes with mounting straps for additional security. Lastly, it has RCA inputs, so you won't have problems integrating it with other audio systems.
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I got this because I know memphis is a good brand and i also didn't want to fill my trunk up with a big subwoofer enclosure this thing has really surprised me alot it hits pretty hard for only being an 8 if you turn it sideways toward a wall it seems to produce even more bass it also doesnt take up much room it will be hard to beat this for the price and size
Bass head. Installed in a large hatch back. Gives some bump nothing crazy minor Mirrior vibrations, but solid if ur just needing a little more thump. After purchasing i saw a low profile 10 also by Memphis im kinda wishing i went that route.