Memphis PRX57
5"x7" 40W RMS 2-Way Coaxial Speakers w/ Pivot Tweeters
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Memphis Audio PRX57 5x7" Power Reference Coaxial Speakers
The Memphis Audio PRX57 is a top-tier factory replacement speaker designed to deliver the signature "Memphis Sound" in an oval 5x7" (or 6x8") format. As part of the Power Reference series, these speakers are engineered for high-efficiency and a warm sound profile, making them an ideal choice for listeners who want clear, fatigue-free audio for long drives.
Key Highlights
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Optimized for Factory Upgrades: Highly efficient design means these speakers sound incredible even when powered by a standard factory head unit, though they can handle more power from an aftermarket amp.
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Pivoting Tweeter System: Equipped with a multi-direction pivot system, allowing you to aim the highs toward your ears to significantly improve imaging and soundstage in low-mounted door locations.
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High-Performance Materials: Features a graphite-reinforced polypropylene cone and a polyurethane surround, providing a perfect balance of rigidity for tight mid-bass and flexibility for long-term durability.
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Crisp, Clear Highs: The PEI dome tweeter delivers detailed high frequencies without being harsh or "tinny," supported by an integrated 6dB crossover to protect the tweeter from distortion.
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Versatile Fitment: Designed with a shallow top-mount depth of 2.125", ensuring a perfect drop-in fit for almost any vehicle that uses 5x7" or 6x8" speakers, including many Ford, Mazda, and Chrysler models.
Technical Specifications
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Size: 5" x 7" (Also fits 6" x 8" locations)
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RMS Power: 40 Watts (Per Speaker) / 80 Watts (Per Pair)
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Peak Power: 80 Watts (Per Speaker) / 160 Watts (Per Pair)
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Sensitivity: 88 dB
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Frequency Response: 87Hz – 20kHz
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Impedance: 4Ω
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Mounting Depth: 2.125"
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Magnet Weight: 10 oz.
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Included Accessories: 12" Speaker leads, mounting screws, and speed clips
What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.