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BassLine Series 10" 4-ohm subwoofer
Item # 500SWA10S4 | MFR # SWA-10S4
Price Break: -$15.00
$49.99 each Earn up to 50 Rewards points
Offers & Financing
Our take on the Alpine SWA-10S4 by Crutchfield's John Pollard
Alpine's BassLine subwoofers will add some serious rumble to your vehicle's sound system. You'll really feel the impact of bass lines and drum beats, so you can get into your music like you never have before. These subs also live up to Alpine's reputation for making subs that bass lovers want, but they don't cost so much that you end up actually living in your car.
The tough steel frame helps to keep your bass punchy and accurate.
Built Alpine tough
Alpine's BassLine SWA-10S4 10” sub comes equipped with a rigid polypropylene/mica cone that won't flex under high volumes and cause distortion, while its poly-foam surround will last for years to come. The tough steel frame offers the stability you need to keep the bottom tight during intense bass sessions. This sub handles up to 250 watts RMS and its 4-ohm impedance makes it a great match for most amplifiers.
Need an amp for this sub? Check out this Crutchfield-approved bass package.
To drive this single subwoofer, we recommend a mono amplifier rated between 200 and 375 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.
Theyre good subs but, not great. For the money theyre worth it though.
Conrodney, Cleveland, Ms
What's in the Box:
- One 10" Single voice coil subwoofer
- Adhesive backed foam gasket
- SWA Subwoofer Application Guide (English/ French)
- On-line product registration information (English/ French/ Spanish)
- Warranty information (English/ French)
- Important Notice! (English/ French)
- 10" subwoofer with 4-ohm voice coil
- polypropylene and mica cone with poly-foam surround
- frequency response: 24-200 Hz
- power handling: 50-250 watts RMS
- peak power: 750 watts
- sensitivity: 86.5 dB
- top-mount depth: 5-5/16"
- sealed box volume: 0.65-1.0 cu. ft
- ported box volume: 1.0-1.75 cu. ft.
- warranty: 1 year
- Our 60-day money-back guarantee
Alpine SWA-10S4 Reviews
Average Customer Review(s):
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Features and Specs
|Cone Material||Polypropylene and Mica|
|Ideal Sealed Box Volume (cubic feet)||0.83|
|Ideal Ported Box Volume (cubic feet)||1.51|
|Port diameter (inches)||N/A|
|Port length (inches)||N/A|
|Dual Voice Coil||No|
86.5 dB at 1 watt
|Frequency Response||24 - 200 Hz|
|RMS Power Range (Watts)||50-250|
|Peak Power Handling (Watts)||750|
|Top Mount Depth (inches)||5 1/4|
|Bottom Mount Depth (inches)||N/A|
|Cutout Diameter or Length (inches)||8 15/16|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
PWR Cone Design: This BassLine subwoofer's patent-pending Progressive Wavelet Ribs (PWR) cone design helps break up standing waves and cone resonances to keep distortion low. The sub uses a polypropylene and mica damped cone assembly and a high-excursion poly-foam surround.
Progressive Polyester Spider: The progressive polyester spider provides accurate control of the subwoofer cone motion.
Two-Piece Yoke: The two-piece yoke uses a vented pole to provide improved air flow and help cool the voice coil.
Spring Terminals: The spring post terminals accept pin connectors, single or dual banana plugs, or bare wire up to 8 gauge.
Sealed Box Volume: The recommended sealed box volume range is from 0.65 cubic feet to 1.0 cubic feet, with 0.83 cubic feet being the ideal size.
Ported Box Volume: The recommended ported box volume range is from 1.0 cubic feet to 1.75 cubic feet. The ideal size is 1.51 cubic feet, using a slot port measuring 10-1/2" (W) x 1" (H) x 17" (L).
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.
Product reviews from the Crutchfield Labs
by Zak Billmeier
Alpine's BassLine subwoofers will add some serious rumble to your vehicle's sound system, but they won't break your budget.
Why did you buy this?
Had one that was damaged from the heat and original seller would not replace. [ Pam Jun 20, 2017 ]
THESE ARE A FANTASTIC ENTRY LEVEL SUB IF YOU'RE LOOKING FOR LOW PRICE AND GOOD QUALITY [ JOE Jun 17, 2017 ]
Price and Alpine is my preferred equipment... [ S Jun 14, 2017 ]
Price and quality. [ David Jun 02, 2017 ]
Crutchfield top seller [ Christopher Jun 02, 2017 ]
Inexpensive with good and reliable bran. Also, the sub was discounted and came with a buy get one half off. Amazing! [ Jose May 31, 2017 ]
Cheap [ Leonard May 30, 2017 ]
Price, brand [ Ira May 21, 2017 ]
price and i dont need any extreme sound, just a little boost does me fine! [ john May 20, 2017 ]
Alpine name and price [ Clarence May 11, 2017 ]
I have some and love there performance. [ Gabriel May 06, 2017 ]
Alpine is a name i trust and the price was right. [ les May 04, 2017 ]
Price [ Douglas May 04, 2017 ]
Alpine quality [ AWAHUSU Apr 05, 2017 ]
Good name, RMS was in the right area for my application. I listen to a lot of blackened death metal, where 12s would be too much, I needed 2 matching subs in the ballpark of 200-300 RMS. Bought these to replace a mismatched pair of Clarion 200 RMS and MTX 300 RMS 4 ohm subs. [ Lucinda Mar 21, 2017 ]
quality [ Dan Mar 14, 2017 ]
because of previous subwoofers that I have bought from alpine [ tom Mar 10, 2017 ]
Good name brand [ Sherita Mar 08, 2017 ]
Recommended to me by Daisy for my specific application. [ Michael Mar 02, 2017 ]
Good reviews [ Mike Feb 27, 2017 ]
Seems to be a good overall value. I was looking for a good speaker at a good price. No need for an expensive sub with this project. [ David Feb 18, 2017 ]
Reviews were great on this item, and the price is also. Can't wait to install it in my son's truck and eliminate the old sub he's using now. Also, the customer service on "live chat" was awesome. [ Steve Feb 03, 2017 ]
great price good sound [ JOSHUA S Jan 30, 2017 ]
Extreme bass and extremely good sound. [ CHARLES Dec 28, 2016 ]
the name price and reviews [ aldo Dec 08, 2016 ]
Alpine is awesome [ Luis Nov 10, 2016 ]
Recommended by friend [ Angela Sep 03, 2016 ]
I've always love alpine subs, can't wait to get these so I can test them out [ Larry Aug 28, 2016 ]
I've had good luck with Alpine subs in the past so why change what works. [ JEROME Aug 02, 2016 ]
Quality materials with a good price, and good reviews. [ Jacob Jul 12, 2016 ]
seemed like a really good value after reading the reviews and knowing alpines quality [ GREGORY R Jul 06, 2016 ]
not much to choose from. this woofer sounds better than rockfords. [ gary May 28, 2016 ]
I got this sub woofer to go with the new stereo I put in my Tahoe. [ PATRICK JOSEPH Apr 30, 2016 ]
Because Crutchfield is the best [ MARCUS L Mar 31, 2016 ]
built a home theater servo subwoofer [ KELLY Mar 06, 2016 ]
I installed these subs once for a friend and loved how they sound and I was real impressed by them, and I have been working with car audio for over 12 years [ gomezj22 Feb 22, 2016 ]
Excellent reviews and I trust Crutchfield. [ Jason Feb 19, 2016 ]
Had Alpine products for years [ Devin C. Feb 18, 2016 ]
12 questions already asked
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Kenny Mar 20, 2017 ] Staff
Thanks for your question. For information on selecting the best subs for your amp I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the sub models and help you make the best choice for your system. [ Kenny Mar 15, 2017 ] Staff
1 answer i am currently running two older style audiopipe 10" subwoofers along with a 1000watt audiopipe amp and i was looking for something with wayyyy deeper bass. as of right now, i have them set up in a ported box in the back of my 06 Tahoe. I am looking to replace these to get something that hits wayyy harder. i was deciding on either the Rockford R2D4 or the Alpine SWA-10S4. Any suggestions? [ Alek Nov 30, 2016 ]
I am running the RF R2D4-10 with a simple old punch 45 I have them in a ported box I was told my amp was not big enough but I have awesome bass with these speakers I can not eve image what you will have with a 1000 watt amp [ ROBERT L Dec 01, 2016 ]
Not shur! I have the alpine! Never had kicker. But I can say is that the alpine are a great starter woofer! Robert t [ Robert Turner Oct 24, 2016 ]
I'd choose the Alpine. It is really well-built. Amazing for the price. [ Jeffrey Oct 24, 2016 ]
It most certainly will. I have 2 alpine bass line subs in my 06 GMC Sierra with an alpine 500 watt sub amp. The feel & the clear bass from those subs are well worth the money. I highly recommend them if you're looking for some good clean solid bass. I wish I had got the 12's now but those 10's pack one heck of a punch!!???????? [ DON Aug 21, 2015 ]
Yes, they are very durable and very accurate. [ RICKY Aug 18, 2015 ]
no ! [ MARVIN R Aug 18, 2015 ]
AFTER A FEW MONTHS MY ALPINE BLEW WITH A ALPINE MRV 500 AMP SO TO ANSWER YOUR QUESTION NO [ keith Aug 17, 2015 ]
Yes it should handle it with ease. I have approx. 700 watts going to one of mine with no problem at all [ JUSTIN Aug 17, 2015 ]
And I have a 96 3 door s10 with 2 alpine 10s . With Orion mono ported box . Tight sound. Good buy.Robert t [ Robert Turner Oct 24, 2016 ]
I am using a sealed box. I only have one 10" and I'm using a 200 watt MTX amp. I have it installed in my GMC Denali. Nice clean sounds and not over bearing. [ PERRY Jan 17, 2015 ]
250 watt rms per sub. Go by that. I put a 250 watt amp to 2 of these n it works pretty good be better with a 500 watt n I have a sealed box. [ JOSHUA S Jan 15, 2015 ]
Sealed is definitely the appropriate enclosure for this sub. I run 2 in a custom built box in an F150 Supercrew using an Alpine MRV 500 bridged to 2 ohm and it produces plenty of bass for the cabin of my truck. [ RYAN M Jan 15, 2015 ]
My daughter has them in a sealed medium size generic box in the trunk of a newer Ford Focus. Powered by alpine mrp 500 mono amp. They beat pretty good [ LANE Jan 15, 2015 ]
You can go either sealed or ported, but make sure you follow the specs for both. I'm personally running 2 of these 10 inch in a sealed box under the back seat of my 07 Silverado LT and they sound great. I was quite impressed with them. I'm powering them with an Alpine MRP-M500 and it seems to do just fine. [ JOE Jan 15, 2015 ]
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy Aug 08, 2014 ] Staff
For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy Jul 17, 2014 ] Staff
For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle. [ Krissy Jun 30, 2014 ] Staff
Ron they will fit you 06 if you get the correct custom box for your truck. I have an 06 Sierra with a down firing sub box with two 10"alpine Bass Line subs that really thump (non ported). But yeah the correct box for your model truck & you're in there my friend... [ DON Aug 21, 2015 ]
Ron I have a 2011 crew cab they wouldn't fit. I had to return them. [ RICKY Jun 12, 2014 ]
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you. [ Krissy Mar 28, 2014 ] Staff
These are priced per speaker (one subwoofer). [ Jeff Feb 24, 2014 ] Staff