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Memphis Audio 15-PRX57C

Power Reference Series 5"x7" component speaker system

Item # 95315PR57C

Find what Fits your vehicle

Discontinued item

Item # 95315PR57C

About the Memphis Audio 15-PRX57C

Upgrade with components

A lot of trucks and SUVs sport 5"x7" or 6"x8" factory speakers in the door, but typically if you want to upgrade to an aftermarket component system, you'll have to use a 5-1/4" woofer. Not so with Memphis Audio's Power Reference Series 15-PRX57C component system, which gives you a plentiful 5"x7" polypropylene woofer with an integrated phase plug for improved sound dispersion.

A separate tweeter

A separate polypropylene dome tweeter handles detailed delivery of the high range, and Memphis supplies an external crossover for optimal driver performance. This Power Reference component system is a reliable solution to the dysfunctional factory sound that's been watering down your favorite music for too long. 

Grilles are not included; the factory grilles should be suitable for most applications.

Product highlights:

  • component speaker system includes two 5"x7" woofers, 2 tweeters, 2 external crossovers
  • polypropylene woofer with polyurethane surround
  • polypropylene dome tweeter
  • 2-way external crossover
  • handles up to 50 watts RMS (100 watts peak power)
  • frequency response: 93-20,000 KHz
  • sensitivity: 89 dB
  • woofer mounting depth: 2-3/16"
  • woofer grilles not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # 15-PRX57C

What's in the box:

  • 2 Woofers
  • 2 Tweeters (with attached 16" speaker wire terminated by quick-slide connectors)
  • 2 Crossovers
  • 2 Adhesive backed Memphis Audio logos (packaged with the crossovers)
  • 2 Flush mount housings (with tweeters installed)
  • 2 Flush mount retaining rings
  • 2 Angled surface mount housings
  • Two 6' Crossover input wires (tinned bare wire on both ends)
  • Two 12' Tweeter wires (quick slides on one end and tinned bare wire on the other)
  • Two 12' Woofer wires (quick slides on one end and tinned bare wire on the other)
  • Eight 1" Screws
  • 8 Speed clips
  • Four 3/4" Flat-head screws
  • Tweeter installation instructions
  • Warranty information
  • Template

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Crutchfield response

<< >>

More details on the Memphis Audio 15-PRX57C

Pat M.

Features & specs

Speaker Size
Design 2-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Polypropylene
Woofer Composition Polypropylene
Woofer Surround Polyurethane
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 89
Sensitivity at 2.83 volts N/A
Frequency Response 93 - 20k Hz
Minimum RMS Wattage ---
Maximum RMS Wattage 50
Peak Power Handling (Watts) 100
Top-mount Depth (Inches) 2 3/16
Bottom-mount Depth (Inches) 2 1/2
Cutout Diameter or Length (inches) 0
Mounting Height (Inches) 0.307

Product Research


Mounting Applications: Memphis Audio describes this woofer as a 5x7, but it also fits many 6x8 applications. Please enter your vehicle information to confirm fit.

Phase Plug: The phase plug in the center of the woofer ensures a smooth, flat off-axis frequency response by preventing the high frequency sound waves emanating from one side of the cone from interfering with sound waves from the other side of the cone.

Tweeter Mounting: The tweeters offer multiple mounting options; choose a flush mount, surface mount, or angled surface mount. The tweeters are shipped in the flush mount housings and the angled surface mount housings are included. The back of the flush mount housing and the top of the angled surface mount housing combine to create the (non-angled) surface mount housing. Once installed in any of the housings, the tweeter will pivot slightly to optimize imaging.

Crossover: The crossover's inputs and outputs are screw terminals that will accept bare wire or spade connectors up to 0.3" wide.

Tweeter Dimensions:

  Flush Mount Surface Mount Angled Surface Mount
Mounting Height 0.307" 1.073" 1.614"
Mounting Depth 0.764" screw depth screw depth
Frame Diameter 2.114" 1.830" N/A
Cutout Diameter 1.837" N/A N/A
Frame Width N/A N/A 1.820"
Frame Depth N/A N/A 1.840"

Crossover Dimensions:

  • Width: 2-3/4"
  • Height: 1-1/2"
  • Depth: 4-3/4"

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