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Alpine SPR-50

Type-R 5-1/4" 2-way car speakers

Outlet: Scratch & Dent

Item #: 500SPR50

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4 Reviews | 2 questions - 5 answers


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Exceptional performance, even at high volume

Alpine Authorized Online Dealer

Like it loud? Alpine designed their Type-R speakers for people who like to turn it up. They'll deliver big, dynamic sound with plenty of bass, and they'll handle lots of volume. They'll work great with your car stereo, but they really come into their own when you power them with an outboard amp.

Alpine SPR-50

Fine-tuned for clarity and balance

The SPR-50 5-1/4" speakers feature multi-layer hybrid fiber woofer cones that deliver really strong bass response. Alpine's adapted the specially ridged surround, originally developed for their subs, to these speakers, so you get consistent, extended cone movement that pushes a lot of air. The silk tweeters produce smooth highs that bring out your music's detail and depth with no shrillness. Alpine mounts an EQ ring in front of the tweeters to help disperse the highs for a larger listening "sweet spot" in your ride. Plus, you can swivel the tweeters to focus the sound better for your seating position.

Smaller, stronger neodymium magnets

Alpine uses powerful neodymium magnets which are much smaller than traditional magnets, so the SPR-50's high-density polymer frames will fit into more places than most 5-1/4" speakers. Type-R speakers have earned their reputation in the past as the masters of "crank it to the max," but Alpine has really kicked the performance factor of the latest models up a notch or two.

Product Highlights:

  • 5-1/4" 2-way car speakers (pair)
  • multi-layer hybrid fiber woofer cone
  • High Amplitude Multi Roll (HAMR) Santoprene® rubber surround
  • 1" swiveling silk dome tweeter
  • power range: 2-90 watts RMS (270 watts peak power)
  • frequency response: 70-29,000 Hz
  • sensitivity: 87 dB
  • top-mount depth: 2-1/4"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Alpine SPR-50 Reviews

Average Customer Review:

4 Reviews

Alpine Mids

Written by: Terry from Corbin KY on July 10, 2014

Crutchfield Customer Review (What's this?)

Great sound get a lot for the money

Pros: Great product

Cons: None

Love them

Written by: Robert from Rehoboth delaware on September 3, 2013

2000 Jeep Wrangler
Crutchfield Customer Review (What's this?)

I got these speakers about two weeks ago and i have nothing but good things to say about them. They are extremely loud and clean. The bass is pretty good but i prefer tons of bass!! So i turned the bass down on the speakers and the subwoofer up. All my purchases so far have been sent with detailed instructions, and this order followed suit. The install was super simple.

Pros: Great highs and fair lows. Very loud! Cost is unbeatable for the quality of sound and service.

Cons: When bass is all the way up there is distortion at higher volumes.

Alpine Type R

Written by: Kyle from La crescent Minnesota on September 2, 2013

2005 Saturn Ion 1
Crutchfield Customer Review (What's this?)

These are great speakers if you are looking for a midrange upgrade from factory speakers. The sound quality is good and there is hardly any bass distortion.

Pros: Good sound quality. Slim to none bass distortion. Easy to install.

Cons: Haven't experienced anything bad with them yet.

Alpine SPR-50

Written by: Rob from Rio Rancho NM on August 7, 2013

Crutchfield Customer Review (What's this?)

Went in a 2013 ford F-150 and the stock stereo came alive. With 6 by 8's in the front powered by a 4/300 Rockford amp. WOW what a difference. The type R 6 by 8's were a little too deep for the back but thanks to the pro's at Crutchfied they let me know.Included the exact hardware that made installation a breeze. Thanks again Crutchfied. Worth every penny.

Pros: Everything

Cons: Nothing

Hands-on research

What's in the box?

Download owner's manual

  • Two 2-way 5-1/4" Speakers
  • 2 Grilles
  • 2 Grille badges
  • Eight 1-1/8" Self-tapping screws
  • 8 Speed clips
  • Warranty information
  • Important Notice sheet
  • Template and specs on box

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

Features and Specs

Design 2-way
Tweeter Design 1" Dome
Tweeter Composition Silk
Woofer Composition Multi-Layer Hybrid Fiber
Woofer Surround Santoprene Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity 87 dB at 1 watt
Frequency Response 70 - 29k Hz
RMS Power Range (Watts) 2-90
Peak Power Handling (Watts) 270
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 1/4
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 4 5/8

Product Research


Woofers: The Alpine Type-R series coaxial speakers feature multi-layered hybrid fiber woofer cones. For durability and superior linearity, the woofers use rubber surrounds.

HAMR Surround: Type-R speakers use Alpine's multi roll HAMR surround (patent pending), a technology developed for Alpine subwoofers that maintains control and stability at higher volume levels. HAMR surround combines increased cone area and long linear cone excursion for deep, powerful bass response.

Swiveling Tweeters: The speakers are equipped with 1" (25mm) silk dome tweeters. Alpine's EQ Ring improves the tweeter's dispersion characteristics, providing excellent off-axis response. You can also tilt the tweeters up to 15° to focus the sound where it should be, not pointed at your feet.

Neodymium Magnet: The new smaller neodymium magnet on the Type-R series allows the speaker dimensions to be smaller, making them easier to install in a wide variety of vehicles. They are also lighter than designs using standard magnet technology.

HD Polymer Frame: The new Type-R speakers use a revolutionary HD Polymer frame, making the speaker stronger, lighter, and easier to install.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Customer Q&A

2 questions already asked

I would say more smooth than crisp and that's what I was looking for. That said I find today's speakers to be more crisp and detailed by design, so that characteristic exists in the Alpine's along with the ability to smooth it out to personal preference. I have put 2 pair of Alpine's in 2 older model vehicles in the past 2 years and have been very pleased. [ Nathaniel  Dec 23, 2015 ]
Crisp and detailed. If you can mount the tweeter satelite a distance away from the primary speaker, closer to your ear, spacing them apart will give you much better sound. [ Bruce  Dec 22, 2015 ]
They aren't weather proof however I have them in an open top jeep wrangler and they've been rained on a few times and haven't had any problems yet. [ George David  May 08, 2015 ]
I don't think it states that they are rated as waterproof, but I run em in the rollbar of my jeep and have my top down most of the time and it's been a year n still like new...great speakers! [ Tanner  May 08, 2015 ]
No [ RYAN  May 08, 2015 ]