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Item# 18627
JL Audio 8W3v3-4 - $155.00
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JL Audio 8W3v3-4

Item# 18627

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Condition:  Brand New

8" 300W 4-Ohm Subwoofer

MSRP:$179.00
Savings Of:$24.00 (13%)
Your Price $155.00

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View Vehicle Fit Guide
  • Perform outstanding in compact sealed or ported enclosures
  • DMA (Dynamic Motor Analysis) modeling to deliver unsurpassed dynamic stability and low-distortion operation within intended power range
  • Mineral-filled polypropylene upper cone with a metallic JL Audio medallion logo gives the W3's a whole new, classy and sophisticated look
  • Vented Reinforcement Collar
  • Insert Molded Suspension / Coil / Terminal Sub-Assembly
  • Customizable Trim Ring
  • Elevated Frame-Cooling
  • Floating Cone Attach Method
  • Surround Stress-Relief
  • Free Air Resonance (Fs): 35.14 Hz
  • Electrical "Q" (Qes): 0.501
  • Mechanical "Q" (Qms): 7.017
  • Total Speaker "Q" (Qts): 0.467
  • Equivalent Compliance (Vas): 0.54 cu. ft. / 15.29 liters
  • One-Way, Linear Excursion (Xmax): 0.375 in. / 10.0 mm
  • Effective Piston Area (Sd): 32.02 sq. in. / 0.021 sq. m.
  • DC Resistance (Re): 3.77 ohm
  • Nominal Impedance (Znom): 4 ohm
  • Thermal Power Handling (Pt): 150W
  • Driver Displacement: 0.03 cu. ft. / 0.85 liters
  • Net Weight: 8.2 lbs. / 3.7 kg
  • Priced per speaker
  • Subwoofers are usually sold as a single unit unless otherwise noted.
*Warranty: Limited 30 Day Onlinecarstereo.com warranty.
Limited 30 Day warranty from Onlinecarstereo.com implies that repairs must be returned to Onlinecarstereo.com, not the manufacturer. More information can be found in our help section under returns & warranties.

Do you own this product?  Write a review

   Jerry From Princeton, IN

I have a pair of these in a JL box behind the seats in my '03 Ford Lightning. I am running 175RMS to each and they aren't broken in so I keep them low. So far they are as improssive as most 10's and  some 12's. I gage them with Usher's OMG and the percieved loudnes compared with a pair of Orion HCCA 10" I ran in my 2005 Ford 500 Limited. That ride had 3600RMS each 10 and werent as punchy as these little JL's, but the JL's wont play as loudly below 30hz. Bad ASS and impressive, but expensive at full retail, manageable here OCS!


   Shawn S. From Milwaukee,WI
I have 2 of these (8W3v3) in a 2004 Trailblazer EXT.. I built my own enclosure which is a simple rectangle box,construsted out of 3/4" MDF with .51-ish cubic ft of sealed air space(Ea chamber)...No filler or braces... Thier powered by a 900w Kenwood Mono sub amp.. Not the best I know but will due till funds are right.. Lol THESE THINGS BLEW MY MIND!!!!! They hit SO HARD for 8's!!!!!! People are simply amazed when I show them.... Even my friends that have systems,cant believe that 8's can even MAKE sound like that!!!! I feel and sound like I got a pair of 10's atleast!!! Got a Datsun Z that I was in search of a small sub for and I found it... If my Trailblazer EXT is bumpin with 2 8'S the Z should be WANGIN!!!! Lol I've owned and spent alot on stereos and in my life and finally learned,that QULITY PRODUCTS make a world of difference!!!!! These JL Audio 8W3v3 are DEFENITILLY worth the buy.. If you want nice hard hittin QUALITY sounding bass sub,this is definitiy it!!! The SOUND of the bass is so intoxicating and enjoyable... Im also runnin Orion 6.5"s in all 4 doors running off a 4 ch. Orion 50x4 rms amp so my highs and mids are nice and chrisp also.. The head unit is a JVC 7" in-dash touchscreen dvd player.. All bought from Online car stereo.com!!! Except the Kenwood Amp.. Best Buy sale.. ;) Jl will be replacing that soon.. Thanks a million Online,for helpin me save money,your bomb service and for your selection of QUALITIY products!!!!

   Mike W From Newport KY
I have one of these behind the seat of my pickup truck. I listen to a lot of hard rock and heavy metal, and, both of these types of music have just as much bass as a lot of rap songs do. I LOVE these subs. I am used to 10 and 12 inch subs, so, when I decided to buy one of these, I was sceptical. I was really wrong. These subs hit hard and can really take a beating. I have this teamed up with an MTX 400 watt Terminator amp. I highly recommend these to anyone who has a truck or a small trunk and want an excellent sub.