Expert Service 1-877-289-7664 [Hours]

End of Year Clearance Dot Sale

Alpine SPR-50

5-1/4" 2-Way Type-R Series Coaxial Car Speakers

In Stock
|

List price $229.95

You Save: $126.00 (54.79%)

$103.95

with warranty

+ FREE Shipping in US 48

Order within 15 hrs 43 mins to ship 12/29

Arrives by Tuesday, Jan. 6 to zip 98144

Add an Extended Warranty

Fast, Free Shipping

Within the US 48

60-Day Money-Back

Hassle Free Returns

Low Price Guarantee

Seen it for less? Click here

365-Day Coverage

Warranty assistance for a year

Will this fit my ride?

Check Vehicle

In Stock

Arrives by Tue, Jan. 6

Get FAST answers from customers ASK a Question See questions answers

Alpine Car Audio Store
  • 5-1/4" Type-R Coaxial 2-way Car Speakers
  • Power Handling:
    • Peak: 540 watts per pair / 270 watts each
    • RMS: 180 watts per pair / 90 watts each
  • New style grille offers full woofer protection along with a unique new design
  • Multi-Layer hybrid fiber cone delivers a really strong bass response
  • High Amplitude Multi Roll (HAMR) Santoprene rubber surround provides consistent, extended cone movement
  • 1" Swiveling silk ring-dome tweeter produces smooth highs
  • High-Density polymer frames
  • Frequency Response: 70-29,000 Hz
  • Sensitivity: 87 dB
  • Top Mount depth: 2-1/4"
  • 1-year SonicElectronix.com warranty

Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.

Priced Per Pair

Product History:

Alpine SPR-50 thumbnail
(newest, current model)
Alpine SPR-13C thumbnail
(previous model, replaced by Alpine SPR-50)

Speaker Specifications

Series
This is the manufacturer product line of speakers.
Type-R (Alpine)
Priced Per
Car Speakers are typically sold in pairs so you will receive 2 speakers for each speaker purchase on speakers marked "Priced Per Pair". If a speaker is marked "Priced Per Each" then the speaker is sold individually and each purchase you make will result in 1 speaker. High-powered tweeters, midrange and full-range pro audio for car speakers are typically sold per each speaker.
Pair
Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
5-1/4"
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
2-way
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Dome
Tweeter Composition
Materials such as polypropylene, silk, cloth, and paper are the most common, where as many more recent tweeters are now manufactured with composites such as Aluminum, Titanium, Mylar, and other materials.

PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.

Silk
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Hybrid Layered Pulp
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Santoprene Rubber
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
270 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
90 watts
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
87 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
70 - 28,000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

No
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
2-1/4"
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.
Yes

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
75%
4 Star
6%
3 Star
13%
2 Star
6%
1 Star
0%

Average Attribution Rating

Durability
4.6
Value
4.6
Features
4.4
Design
4.8
Usability
4.9
jonathan

clute, TX

Overall
Durability
Value
Features
Design
Usability
SPR-50

May 12, 2011

Got them today. Installed the same day, and wow they really make the difference. Can't say how long they last but I can say they will make your ear beg for mercy.

2 of 2 found this helpful

Help our customers find the most helpful reviews

Jesse

Columbus, OH

Overall
Durability
Value
Features
Design
Usability
Great for the price

July 25, 2014

I have these in a 2009 Aveo 5 with a kicker 200.4 and i have to turn the amp down to just below half or they dont sound very good. But at that volume they sound really good great highs and decent mids. The amp i am running at that gain setting they are only gettting about 45 watts i wanted to push them with the complete 100 rms but i cannot do that do to sound sound quality. I would spend the extra money and buy the components if i was going to do it again they sound great at the 100 rms. Overall great sounding speakers just watch your levels.

0 of 0 found this helpful

Help our customers find the most helpful reviews

mike diesel

huntington park,ca

Overall
Durability
Value
Features
Design
Usability
good pair of speakers.

July 8, 2014

I have these speakers in the rear doors of my car, they are a decent pair that will definitely be a upgrade to any stock speakers. For the price its OK.

0 of 0 found this helpful

Help our customers find the most helpful reviews

joey1601

gilbert, AZ

Overall
Durability
Value
Features
Design
Usability
Amazing

February 24, 2014

I decided to go with these speakers due to friends talking about how much they loved them, and am so happy i did. I still have to finish getting everything for my system, for now I only have the speakers, but those alone make a complete difference. Five stars.

0 of 0 found this helpful

Help our customers find the most helpful reviews

Patrick

Chester, NY

Overall
Durability
Value
Features
Design
Usability
Great sound at a great price

November 24, 2013

Speakers put out some beautiful sound and don't distort until it's way too loud to listen to, couldn't be happier

0 of 0 found this helpful

Help our customers find the most helpful reviews

big tuna

kansas

Overall
Durability
Value
Features
Design
Usability
great sound

October 13, 2013

ive been tinkering with car audio systems for 8 years in four different vehicles. I am no expert by any means. I have to say when i first installed them i was anticipating something amazing. i would say for about the first 2 weeks or so they werent as good as i expected. but after a while it seemed like i could turn it up higher and higher without any problems. now i hooked up a kenwood 4 channel running 60w x4 With 12g speaker wire. They really sound amazing. nobody asks me if i have a sub or anything but they play sooo loud with just the two of them I can't hear what the passenger is saying about a foot away. very pleased with alpine in general. they really sound very good. I would definitely buy alpine r series again.

0 of 0 found this helpful

Help our customers find the most helpful reviews

1mowshn productions

American Canyon

Overall
Durability
Value
Features
Design
Usability
great product and value

September 27, 2013

Alpine produces quality sounds and can handle power for a fantastic listening experience. Strongly recomend this product won't be disappointed.

0 of 0 found this helpful

Help our customers find the most helpful reviews

Pete

St Louis, MO

Overall
Durability
Value
Features
Design
Usability
Not impressed

September 18, 2013

I purchased these to replace the door speakers in a 10 year old Boxster, whose original speakers were no longer crisp and couldn't handle the bass at even moderate volumes. These speakers didn't sound any better than my worn out stock speakers. I ended up putting my stock speakers back in.

0 of 0 found this helpful

Help our customers find the most helpful reviews

HKC

Australia

Overall
Durability
Value
Features
Design
Usability
Great speakers

August 22, 2013

Installed these in my E30. Perfect sound for the price. Sounds great running on an Alpine V12 amp!!
Great speakers!

0 of 0 found this helpful

Help our customers find the most helpful reviews

Nick

Everett, WA

Overall
Durability
Value
Features
Design
Usability
Affordable, decent mid range, excellent highs.

May 14, 2013

Been running this set for about 5 months now and for the price they are great. They lack mid bass, I have MurderMat MDK 90mil on both front doors, improved the mid bass slightly but still lacking. I suggest these for the beginner/not so serious listeners. The highs are on point though.

0 of 0 found this helpful

Help our customers find the most helpful reviews

ed

collbran, colorado

Overall
Durability
Value
Features
Design
Usability
very happy!

February 24, 2013

Fast delivery, low prices, will use sonicelectronix again! These speakers sound awsome! Have them amped with a kenwood excelon amp, sound great!

0 of 0 found this helpful

Help our customers find the most helpful reviews

Faruk

Mozambique

Overall
Durability
Value
Features
Design
Usability
Great Speakers! Buy them!

January 25, 2013

Great Speakers! Buy them!

If you are not planing to spend too much money installing a sub and still, and want a balanced sound, go for Alpine SPR, doesn't matter the sizer or shape just go for them...

0 of 0 found this helpful

Help our customers find the most helpful reviews

Blake

Campobello, SC

Overall
Durability
Value
Features
Design
Usability
Big Sound in a Little Speaker!!

September 27, 2012

Installed these in my 99 Dodge RAM 2500! I'm running 100 watts RMS to them and they hold it well. Turn it all the way up and no distortion!! Running the Alpine SPR-69 with them and they sound great together!!

0 of 0 found this helpful

Help our customers find the most helpful reviews

Clint

Bakersfield, ca

Overall
Durability
Value
Features
Design
Usability
Awesome product

September 6, 2012

I would recommend this to a friend because alpine is a great and awesome speaker I have no complaints I defenently buy this again
And also thanks you sonic plan on me buying more from you guys

0 of 0 found this helpful

Help our customers find the most helpful reviews

harry

Australia

Overall
Durability
Value
Features
Design
Usability
Alpine SPR-50 AMAZING

December 12, 2011

I have had these speakers for about 4 months now, i must say they are amazing, totally clean chrisp loud amazing sound they put out.

0 of 0 found this helpful

Help our customers find the most helpful reviews

GBC

Canada

Overall
Durability
Value
Features
Design
Usability
Great Speakers

November 18, 2011

Great speakers, great sevice, no worries at all.

0 of 0 found this helpful

Help our customers find the most helpful reviews

Accessory Tools and Products

Accessories added

NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

Your Price $39.99

Streetwires 25 ft. of True Spec 12 Gauge Speaker Wire

You need speaker wire to connect your speakers!

Your Price $44.95

12-10 AWG Yellow T-Tap Adapters

Allows for fast and easy splicing of wires by easily tapping into the cable.

Your Price $4.49

12-10 AWG Quick Disconnect Connectors

These yellow quick disconnect connectors make it easy to connect and disconnect speaker wire your to your new aftermarket speakers!

Your Price $6.99

NVX SDDK12 Door Kit

Eliminates speaker panel distortion and reduces door vibration, rattles and squeaks!

Your Price $49.99

Dynamat Xtreme Door Kit 10435

Enough sound dampening to cover most doors!

Your Price $69.95

Stinger Roadkill Door Kit

Use this to eliminate rattle from your doors!

Your Price $46.99

Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $14.99

Xscorpion 9-Piece Nylon Plastic Pry and Chisel Tool Set

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

Your Price $14.99

Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

Your Price $6.99

3 in 1 Wire Quick Splice T-Tap and Butt Connector Crimper + Wire Cutter

Used for cutting copper and aluminum wires up to 8 gauge.

Your Price $21.99

NVX SDRLR1 Sound Dampening Rubber Roller

Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!

Your Price $7.99

Speaker Baffles for your Speakers

Enhance the sound of your speakers with these easy to install speaker baffles.

Your Price $9.99

Items we think you might want
NSP525 thumbnail
NVX NSP525

• Peak Power: 140W
• RMS Power: 70W
• 2-Way Coaxial
• 4 ohms Impedance
• Polypropylene Cone Material
• Nitrile Butadiene Rubber Surround
• 20mm Silk Dome Tweeter

Your Price $39.99

GTO529 thumbnail
JBL GTO529

• Peak Power: 135W
• RMS Power: 45W
• 2-Way Coaxial
• 3 ohms Impedance
• Carbon-Injected Cone Material
• Butyl Rubber Surround
• Fabric Soft Dome Tweeter

Your Price $119.95

Browse 1 question and 7 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
Previous experiences with this product were great
tanner b on Dec 22, 2014
Reviews showed that these were one of the best and they were for a great price.
Jay B on Nov 19, 2014
most power and excellent reviews 100w rms
Barry B on Dec 8, 2014
To match the front compnents
Jesse R on Aug 31, 2014

Product Summary

Manufacturer

Model Number

SPR-50

UPC

793276011060

Weight

5.00lbs

Internal SKU

spr50

Internal Product ID

34371

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Alpine SPR-50

  • Alpine Type-R Car Speakers
  • Sonic Electronix: The X Factor when Shopping Electronics