Alpine SPR-50C

Type-R 5-1/4" component speaker system

Item #: 500SPR50C

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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.

Fine-tuned for clarity and balance

The Type-R SPR-50C component system features 5-1/4" woofers with multi-layer hybrid fiber 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. The tweeters mount separately so you can 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-50C's high-density polymer frames will fit into more places than most 5-1/4" woofers. External 2-way crossover networks control the high and low frequencies for seamless, clear sound — and they're 60% smaller than the old Type-R crossovers so they're easier to install. 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.

Priced per pair
Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.

Product Highlights:

  • system includes two 5-1/4" woofers, 2 tweeters, and 2 crossovers
  • multi-layer hybrid fiber woofer cone
  • High Amplitude Multi Roll (HAMR) Santoprene® rubber surround
  • 1" silk dome tweeter
  • external 2-way crossovers with 4-level tweeter adjustment
  • power range: 8-100 watts RMS (300 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 install component speakers?

A component speaker system gives you the best possible performance from your car audio system. A system consists of separate woofers, tweeters, and crossovers, each designed to cover one specific range of frequencies. As separate components, the woofer can move freely to deliver more powerful performance, while the tweeter can be custom-mounted in a better spot up closer to your ears, revealing a whole new world of detail. Separate crossovers are far superior to the simple filters wired into full-range speakers, so the components work together for smoother, more focused sound.

Hands-on research

What's in the box?

Download owner's manual

  • 2 Woofers
  • 2 Woofer grilles
  • 2 Grille badges
  • 2 Tweeters (each has an attached 29" length of wire)
  • 2 Tweeter grilles (installed)
  • 2 Swivel flush mount housings (with tweeters installed)
  • Two crossovers (each has attached 32" input and 12" output wires)
  • 2 Flush mount retention rings
  • 2 Stealth brackets
  • 2 Foam self-adhesive pads
  • 2 Foam self-adhesive rings
  • Eight 1-1/8" Self-tapping screws
  • 8 Speed-clips
  • Four 5" Zip ties
  • 2 Pieces of two-sided tape
  • 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.

Product Research

Features

Woofers: The Alpine Type-R series component speakers feature multi-layered hybrid fiber woofer cones; for durability and superior linearity, they 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.

Motor Structure: The woofer's High-performance Linear Drive Motor structure features a square-wire voice coil with a large 30mm diameter, driven by a small but powerful neodymium magnet. This design provides linear motion over a wide cone excursion.

Neodymium Magnet: The neodymium magnet on the Type-R series woofers allows smaller speaker dimensions, 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 woofers use a revolutionary HD Polymer frame, making the speaker stronger, lighter, and easier to install.

Tweeters: The SPR-50C includes 1" (25mm) silk dome tweeters. Alpine's EQ Ring improves the tweeter's dispersion characteristics, providing excellent off-axis response. When using the flush-mount housing you can also tilt the tweeters up to 15° to focus the sound toward your ears.

Tweeter Mounting Options: The tweeters come installed in a swiveling flush-mount housing. You can also install the tweeters behind factory grilles using the included stealth mount brackets. The stealth mount brackets can be top or bottom mounted. The installed tweeter dimensions are:

  Flush Mount (swivel) Factory Location (bottom mount) Factory Location (top mount)
Mounting Depth 0.67" 0.965" 0"
Mounting Height 0.43" 0" 0.8"
Cutout Diameter 2.007" N/A N/A
Frame Diameter 2.275" 1.7" x 2.8" 1.7" x 2.8"

Crossovers: The SPR-50C features low-pass crossovers attached to each woofer's input terminal and separate high-pass crossovers in-line between the woofers and tweeters. Because the crossovers are separate, the system can be bi-amped. Two-sided tape is included to mount the high-pass crossovers and their dimensions are:

  • Width: 2.65"
  • Height: 0.97"
  • Depth: 1.27"

Tweeter Attenuation: Each crossover has four tweeter level options, allowing you to precisely tune the high frequencies to the car interior and tweeter placement. Using the supplied jumpers select 0dB (no attenuation), -2dB, -4dB, or -6dB.

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 open the box, verify contents, 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.

Alpine SPR-50C Reviews

Average Customer Review:

11 reviews
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Great Speakers

Written By TimG., Palm Coast, FL on Monday, March 24, 2014

Crutchfield Customer Review (What's this?)

These are a great pairs of Speakers. I installed them in a 2003 Buick Park Avenue. I rewired all the speakers with new wire and hooked it to Rockford Fosgate Punch P4004 50W x 4 Car Amplifier. I put the Crossovers in the trunk and ran 2 sets of wires to each door. I hooked them up to a Kenwood DNX690HD before the amp it they played perfect.

Pros: They mount perfectly in my car and sound great

Cons: I have no problems with these speakers.

Great set of speakers

Written By Jeremy, Midland, TX on Sunday, March 02, 2014

Crutchfield Customer Review (What's this?)

I have been very satisfied with the speakers. They are paid with an alpine amp 110 rms. the sound great and never seem like they are working hard. Very satisfied as I got the second pair half off from Crutchfield special

Pros: Fit in car perfectly. Sounds very clean

Cons: Tweeter is very high... Even with crossover set at the 2nd highest setting. Probably need to adjust it all the way down. Crutchfield service was great!

Decent component speaker sound

Written By SteveB, Fitchburg, MA on Friday, February 14, 2014

Crutchfield Customer Review (What's this?)

Maybe it's the Alpine PDX-V9 amp I got to power my system, but something just isn't delivering the punch I had hoped for. While the sound is quality, I was really hoping for a more powerful system.

Pros: Sound quality is quite good

Cons: Not loud enough to satisfy my taste.

Nice

Written By vlovell@verizon.net, Ashburn, Va on Wednesday, August 21, 2013

Crutchfield Customer Review (What's this?)

Good sound from little speakers. Solid Build.

Pros: Good rich sound. Surprised out quality from such little speakers

Cons: Tweeters did not fit as indicated into car. Had to make some modifications.

Alpine SPR-50C

Written By ChrisO, Orlando, FL on Saturday, April 06, 2013

These speakers pack quite a punch for being only 5.25". These speakers have crisp sound and a lot of bass. I have it installed in a 2005 Accord EX and it makes my rear-view mirror shake (no sub installed). These speakers are well worth the money as I am only putting ~50 watts rms to each along with the spr69. These speakers are true quality loud speakers as I've owned eminence, selenium, american bass, etc. If you want volume along with clarity without breaking the bank, these speakers are the way to go. If I had the space, I would have purchased the 6.5's as I'm sure they are just as great or even better.

Pros: Very light, crisp, loads of bass.

Cons: makes my doors shake violently even when turned down, dynamat may be the solution.

Alpine SPR-50C

Written By Anonymous, columbia sc on Monday, April 01, 2013

Crutchfield Customer Review (What's this?)

great looking speakers, highs are nice and clear, missing some of the puch I would have liked

Great product

Written By DavidV, Rome, Ga. on Monday, December 31, 2012

Crutchfield Customer Review (What's this?)

Alpine continues to make excellent products. The sound, clarity, and thump make my '09 Challenger rock out. Love them !!

Alpine SPR-50C

Written By peter, fountain valley, ca on Sunday, June 03, 2012

great speakers. i put them in my dodge ram quad cab. they sound clear and very easy to install. i put them in the rear doors and drilled holes for the tweeters. i have jbl 6x9 in the front doors with an alpine pdx-v9 5 Chanel amp 100 watts rms x4. 500watts rms mono to power the sub. great sound quality and fair price. couldnt recommend these speakers more.

Pros: easy install. great quality and they last had them over a year. recommend a good amp with 100 watt rms. tweeters are adjustable and crossovers work well

Cons: the only cons is that you should use sound damping for vibration.

great

Written By joshg, indiana. in on Thursday, October 06, 2011

Crutchfield Customer Review (What's this?)

i replaced the previous gen model with these and i honestly couldnt be more blown away. i do not know how they(alpine) did it but the highs are so much crisper and the mids from the woofer are that much punchier. i highly recommend these components! but be sure to power them properly or you WILL NOT get the full potential these have to offer. i use the pdx-f4, but i think you can get away with using another high quality 4 channel amp. (minimum rms of 75x4).

Great sound! Perfect fit!

Written By ET, Hayward, CA on Monday, September 26, 2011

Crutchfield Customer Review (What's this?)

Perfect fit to my 1991 Porsche! Great sound!!!!!!!!!! Listening to music made a huge sound difference!!!!

Beyond What I Expected

Written By BrandonD, Birmingham, AL on Friday, September 23, 2011

Be careful before you puchase one or two of these bad boys...you will hear every detail of the sounds and clarity coming from them. It is so clear and very powerful especially if you add an amp(I reccomend the PDX -F6). With that bein' mentioned...you can wake up the whole neighborhood. Becareful not to blow up your ear drums in the process. This is the best Alpine has to offer!!

Get everything you’ll need to enjoy your new Alpine SPR-50C

Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
You'll need speaker wire to connect your speakers to your amp.
Keep your speakers clean and dry. They compress to fit behind your speakers.
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