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RetroSound R-57N

Single 5"x7" 2-way car speaker with dual voice coils

6 Reviews | 2 questions - 9 answers

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Item # 068R57N

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Our take on the RetroSound R-57N

RetroSound makes it easy to replace the factory speakers in almost any classic, vintage, or even new car. Their RetroMod Series speakers feature extremely shallow chrome baskets designed to fit into a wide variety of standard speaker locations. They may look old school, but RetroSound builds their speakers from the ground up, using the latest techniques and materials.

Important Note: This is a single 5"x7" speaker, so you'll need to purchase a pair for vehicles with two 5"x7" openings.

Retrosound R-57N

Go Retro

RetroSound makes it easy to replace the factory speakers in almost any classic, vintage, or even new car. Their RetroMod Series speakers feature extremely shallow chrome baskets designed to fit into a wide variety of standard speaker locations. They may look old school, but RetroSound builds their speakers from the ground up, using the latest techniques and materials.

The single R-57N 5"x7" speaker is designed for a classic car with only one speaker opening on its dash or rear deck. The woofer features dual voice coils, each one connected to its own tweeter. Your stereo receiver connects to both voice coils, so you get a stereo mix from a single speaker. In effect, you get two 2-way speakers in one frame, for modern sound in your vintage application.

The R-57N speaker features a powerful neodymium magnet and a low-carbon steel chrome frame that form a strong foundation. The sturdy pulp composite woofer with its Santoprene surround delivers powerful performance while standing up to heat and humidity. The two Mylar dome tweeters broadcast detailed highs without sounding shrill, and their low profile helps increase installation options.

Although efficient enough to play well with any receiver alone, this RetroMod speaker can handle the high power from aftermarket amplifiers. Replace that wornout old 5"x7" with this updated RetroSound, and your tunes will sound new again, just like your classic ride.

Priced per single speaker

Product Highlights:

  • single 5"x7" 2-way speaker
  • pulp composite woofer cone with Santoprene surround
  • dual voice coils for 2-channel operation
  • dual mylar dome tweeters
  • power range: 2-60 watts RMS (100 watts peak power)
  • frequency response: 65-21,000 Hz
  • sensitivity: 87 dB
  • top-mount depth: 1-5/8"
  • grille not included
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • One 2-way 5x7 stereo input DVC speaker
  • 12' Length of speaker wire
  • Eight 1-1/8" Self tapping screws
  • 8 Speed clips
  • Owner's manual

RetroSound R-57N Reviews

Average Customer Review(s):

(6 Reviews)

RetroSound R-57N

Bill from Williston Park, NY on 6/18/2017

Crutchfield Customer Review (What's this?)

this is a great replacement for a 50 year old factory speaker. Sound is loud and clear. It allows me to retain the factory appearance on my 1965 MGB.

Pros: this speaker allows stereo performance from 1 speaker. Perfect for and older Mono car, with an updated head unit.

Cons: I had to drill out the mounting holes a little. Not really a con,

Good Fit, Decent Sound

Steve from Texas on 6/22/2015

Crutchfield Customer Review (What's this?)

Fit right in my 1984 F150. Did have to bend a couple of the terminals in order to drop in. Sounds ok, way better than the original but not incredible.

Pros: Fits.

Cons: Not as clear as I expected.

Retrosound R-57N

Anonymous from Street, Maryland on 8/1/2014

Crutchfield Customer Review (What's this?)

Although lacking in some bass and fulness of sound, it's a good solution to the single speaker location found in my old MG. Car noise prohibits any real sound system anyway. Serves my circumstances perfectly.



Retro Speaker in 66 Bronco

Brian from West, TX on 7/5/2013

Crutchfield Customer Review (What's this?)

This speaker replaced a single in dash speaker in a 66 Bronco. Paired with a retro sound radio this speaker sounds pretty good. I am happy with the purchase and would recommend it for a single dash speaker replacement. The adjustable mounting bracket works great.

Pros: Fits great in dash of 66 Bronco.



Kevin from NH on 5/26/2013

Crutchfield Customer Review (What's this?)

I replaced a single center dash mono speaker so compared to that this is way better. In playing it with the Retrosound Model 2 I bought with it though it sounds pretty tinny. Maybe I just haven't found the right DSP setup on the radio yet. I wasn't expecting it to sound as good as a pair of nice speaker and I didn't have any other real choices so I gave it 3 stars.

Pros: Easy install, with lots of options to make it fit. Dual voice voila

Cons: Sounds tinny to me

RetroSound R-57N

Jim from Orlando, FL on 12/15/2010

Crutchfield Customer Review (What's this?)

Too bad this speaker is the only available dual voice coil for older cars and trucks. It works and is definately in better shape than the one I removed from my 1979 F-150 but it seems to be lacking in clear highs and fullness in sound. I don't know, I'm no stereo expert, but I have a RetroSound stereo driving this speaker in the dash and a 6 1/2" speaker in each door and the 5x7 sounds weak...It works though.




Hands-on research

Features and Specs

Speaker Size 5X7
Design 2-way
Tweeter Design Dual Dome
Impedance (Ohms) 4
Tweeter Composition Mylar
Woofer Composition Pulp Composite
Woofer Surround Santoprene
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity (1W at 1 meter) 87
Sensitivity at 2.83 volts N/A
Frequency Response 65 - 21k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 60
Peak Power Handling (Watts) 100
Top-mount Depth (Inches) 1 5/8
Bottom-mount Depth (Inches) 1 7/8
Cutout Diameter or Length (inches) 0

Product Research


Woofer: The speaker features a rigid pulp composite cone woofer with a Santoprene surround. The woofer uses a Neodymium magnet to achieve its shallow depth, so it fits in tight factory locations.

Tweeters: Two Mylar tweeters are wired separately so this single speaker will accept a stereo input.

Dual Voice Coils: The woofer has dual voice coils, each wired with one of the tweeters. The stereo input is useful in many older cars with a single speaker location in the dash or rear deck. If used in a standard two speaker application the inputs should be wired in parallel (to present a 2Ω load) or series (to present an 8Ω load).

Our Product Research Team

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Staff Reviews

Product reviews from the Crutchfield Labs

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Q & A

Customer Q&A

2 questions already asked

Actually you would wire them in series, assuming these are 4 ohm speakers. Most modern speakers are 4 ohms. Older car radios require an 8 ohm speaker load. It's important to have the proper load especially on an older car radio. By buying dual speakers such as this, and wiring the two sides in series the ohm load doubles (the 4 ohms from each combine to make 8 ohms). You would wire the + of one speaker to the - of the other, then connect your + from the radio to the + on a speaker and the - from the radio to the remaining - on the other speaker. This is a pretty good way to come up with an 8 ohm "modern" speaker for a vintage car radio. 8 ohm speakers, especially in automotive sizes are hard to find. You need to know the load required by your radio. Naturally this all applies only to connecting a vintage MONO car radio to a modern PAIR of 4 ohm speakers as one.[ Tim  Sep 11, 2016 ]
NO.[ STEPHEN  Jul 04, 2015 ]
No. It's meant to go where the original mono speaker was mounted, which is generally behind some sort of grille on the dashboard.[ Aaron  Jul 03, 2015 ]
George- It didn't come with a grill included,however they do have surface mount kits which do have a grill. I personally used the factory grill on top of the speaker which fit with minor modifications to the speaker.Tom[ Tom  Jul 03, 2015 ]
There is no grille included.[ RAY  Jul 03, 2015 ]
No, but both applications I used them for were center dash under the pad[ DANIEL  Jul 03, 2015 ]
Ed- You would have to wire them in parallel to raise the ohms for single output. Wiring them in parallel will make both voice coils function as one. If you only have a single voice output the best option would be to get a single coil speaker.Tom[ Tom  Jul 03, 2015 ]
This speaker has the right and left channels built into one speaker. if you only have one channel, buy a different speaker.[ ZACH  May 28, 2015 ]
Buy different speakers.[ TOBY  May 24, 2015 ]