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RE Audio SRX15D4

15" Dual 4 ohm SRX Series Car Subwoofer

  • 4.8

(6 reviews)

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$322.48

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$89.99

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Customer Testimonial

I use to be a customer of that old catalog place, yeah you know the one. But with these prices and FREE shipping that arrived in 1 DAY, I do believe that I have found a new electronix stop! Thanks Sonic!

- HB808 from Huntington Beach, CA

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Monster Performance

Get big bass with the RE Audio SRX series of car subwoofers.! Easily expect monster performance and deep bass from these quality drivers. The SRX series has twice the power handling and improved audio output over the RE Audio REX series. The striking cosmetics complete the look of the subwoofer, while ensuring that high quality sound is produced. Once mounted, the kraft pulp cone and rubber surround will be visible for all to see. Underneath the cone is a 4-layer copper voice coil, a FEA optimized motor structure, double stacked magnets that all work together to keep the subwoofer linear and sounding great. The RMS of the SRX series is an affordable 300 watts and is perfect for those just starting their car audio system or the long time car audio enthusiast. Like all of the RE Audio subwoofers, they are capable of accepting much more power then the recommended RMS. For excellent performance for a great price, check out the RE Audio SRX car subwoofers

Subwoofer Features:
  • 15" Dual 4 ohm SRX Series Subwoofer
  • Power Handling:
    • RMS: 300 watts
  • Impedance: Dual 4 ohm
  • Kraft pulp woofer cone
  • Rubber surround
  • Pressed steel basket
  • FEA optimized motor structure
  • Linear spiders
  • Foam gasket
  • 4-Layer copper voice coil
  • Double stacked magnets
  • Also available in dual 2 ohm: RE Audio SRX15D2
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
SRX 10" T/S Parameters:
  • Electrical Q Value (Qes): 0.45
  • Mechanical Q Value (Qms): 4.87
  • Total Speaker Q Value (Qts): 0.41
  • Free Air Resonance (Fs): 23 Hz
  • Equivalent Compliance (Vas): 203 liters
  • One-Way, Linear Excursion (Xmax): 18 mm
  • Efficiency (SPL 1W/1m): 87.6 dB SPL
  • Effective Piston Area (Sd): 810 cm2
  • DC Resistance (Re): 1.8 ohm
  • Nominal Impedance (Znom): Dual 4 ohm
  • Thermal Power Handling (Pe): 300 W
  • Force Factor (Bl): 14.35

For more information on the Thiele and Small Parameters, visit our T/S Parameters Article

Subwoofer Specifications
Subwoofer Series SRX
Subwoofer Size 15"
RMS Power Handling 300 watts
Voice Coil(s) Dual
Impedance (Per Voice Coil) 4 ohms
Sensitivity 87.6 dB
Xmax (millimeters) 18 mm
Subwoofer Design Round / Circle
Main Cone Color Black
Woofer Composition Kraft Pulp
Woofer Surround Rubber
Magnet Structure Double Stacked
Subwoofer Grille No
Re-Cone Kit Available No
Recommended Enclosure Specifications
Recommended Enclosure Type Ported / Vented
Sealed
Minimum Sealed Box Volume 1.5 cubic feet
Maximum Sealed Box Volume 2.0 cubic feet
Minimum Ported Box Volume 2.5 cubic feet
Maximum Ported Box Volume 3.0 cubic feet
Top-Mount Depth 8"
Cutout Diameter 14"
Shallow Mount Installation No
Electromechanical Parameters
Free-Air Resonance (Fs) 23 Hz
Equivalent Compliance (Vas) 203 liters
Total Speaker Q Value (Qts) 0.41
Electrical Q Value (Qes) 0.45
Electrical Resistance of Voice Coil (Re) 1.8 ohms
Mechanical Q Value (Qms) 4.87
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for RE Audio SRX15D4
Average Customer Rating is 4.8 out of 5 stars:
  • 4.8
based on 6 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
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83%
4 star:
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17%
3 star:
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2 star:
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what's this?
Average Attributes Rating:
Durability
  • 4.8
4.8
Value
  • 5.0
5.0
Features
  • 4.3
4.3
Design
  • 4.5
4.5
Usability
  • 4.2
4.2
what's this?
Most Helpful Customer Reviews:
February 19, 2013 awesome quality
Review by
peter from atwater
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 4.0
Usability
  • 5.0
I have one of these in a 3.5 cu ft ported enclisure tuned to about 34 hz that I built to re audios recommendation an it is plenty cleaner then my 12w6 that I had on a memphis 1000.1 also built to jls specs. this is perfect on a rockford fosgate p300. sounds better then lots of other subwoofers ive hadd. from american bass kicker infinity hifonics sony jl. nothing can evrn be co.pared to this awesome woofer. an thank you sonic for an awesome product definately would tell anyone to get it with the amp I said above. put it in a ported box an youll be amazed what 300 rms does
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December 1, 2012 Bedroom subwoofer
Review by
Nate from Kansas City, MO
Overall
  • 4.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 4.0
Design
  • 5.0
Usability
  • 4.0
I bought two of these to replace floppy old woofers in an 80's sanyo 240 watt home stereo. They are crossed over at 3500 hz for now, i'll eventually get proper 80 hz low pass. They really sound fine playing that high though. Down low, im getting pretty flat down to about 30 hz in sealed ~2.5 cubic foot enclosures with a few pounds of cheap poly fill each. With 32 mm total of controlled travel, and since im still well below the 300 watt rms, im sure i could get flat to 20hz with a 31 band eq. As for the speakers themselves, they are flawlessly built. The quality of the malterials exeeds my expectations. The Foam surrounds seem exeptionally tough and are very thick and stiff and seem to dampen the cone nicely. The cone is sort of paper mache that is so stiff that knocking on it with my knuckles sounds like knocking on wood. The only thing i dont like is the big peices on felt glued onto the cone so that the lead wires dont rub and rattle. I just dont like them. Overall, very good subwoofers. Very low tones, very tight, very well made. Sound quality is excellent. I've listened to indie, folk, pink floyd, electronic, punk, rap, and jazz with these and they are really nice. listening to Tom Petty right now. I dont at all use these for what most people think of as car audio. Its important to remember that there are not really any rules concerning whether you use Home, PA, or Car subwoofers. Look at all of them, their T/s parameters, and choose which one is best for your enclosure. I wanted very low frequencies from my undersized enclosures, so i looked for a low Fs, a high xmax, but a low vas. I could have spent twice the money at a different store for undoubtably higher quality speakers, but they would have sounded terrible with my enclosures. Im confident i found some really great subwoofers.
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November 20, 2011 damn!!
Review by
craig from bozeman, MT
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I got this sub about 5 months ago and i got it hooked up to a p300 and it is my favorite sub i have bought ever!! I had a 12" type r running 600 rms and this sub is so much cleaner than that one... it takes half the power so no light dimming!! The sub is so clean too but hits super well. Highly recommended sub and amp also must buy!!!
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September 15, 2011 SRX 15D2
Review by
bumpin-ranger from snellville GA
Overall
  • 5.0
Durability
  • 4.0
Value
  • 5.0
Features
  • 3.0
Design
  • 4.0
Usability
  • 3.0
i have 1 of these in a ford ranger on a power acoustiks ovn1 2000d monoblock amp and this thing pounds hard as hell.
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June 18, 2011 Slaps
Review by
Tommy from cicero
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I got this running off a Fosgate p300-1 and it slaps, the sub stays cool as a mofo
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View All 6 Reviews for RE Audio SRX15D4
Empty Enclosures
Every subwoofer needs an enclosure to mount in and these high quality boxes are perfect for your new woofer! After a quick installation, you'll be ready for some real bass in your car!
  Product Price Add?
Dual 15" Ported Pro Subwoofer Enclosure Dual 15" Ported Pro Subwoofer Enclosure
Dual 15" Slot Vented Subwoofer Enclosure/Box
$139.95
Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
  Product Price Add?
15 ft. of 12 AWG StreetWires Speaker Wire 15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer.
$24.99
20 ft. of 12 AWG Kicker Speaker Wire 20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation.
$34.95
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
  Product Price Add?
Dynamat Rubber Roller Dynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat!
$18.99
Dynamat Xtreme Trunk Kit Dynamat Xtreme Trunk Kit
Get better sounding bass from your new subwoofer with enough Dynamat Extreme for your entire trunk.
$93.99
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
  Product Price Add?
20 oz. Bag of Poly-Fil 20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.
$5.99
16 oz. Can of Adhesive Spray 16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.
$6.99
Binding Post Terminal Cup Binding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure.
$4.99
Banana Clip Terminals Banana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.
$4.99
Installation, Tools & Accessories
Don't forget to get the tools and accessories that will help you install your new subwoofer in your vehicle. Whether you opt for the professional installation card or the do-it-yourself method, you will need the following to help you out!
  Product Price Add?
Car Stereo and Speaker / Subwoofer Installation Tool Kit Car Stereo and Speaker / Subwoofer Installation Tool Kit
Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.
$14.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
  Product Price Add?
Scosche SPL Meter Scosche SPL Meter
Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.
$24.99
AutoSound 2000 CD-101 AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Main Product
  Product Price Add?
RE Audio SRX15D4 RE Audio SRX15D4 $89.99
Related products
RE Audio SRX15D2
15" SRX Series Subwoofer • Dual 2 Ohm • 300 Watts RMS • Kraft Pulp Cone • Rubber Surround • FEA Optimized Motor Structure • 4-Layer Voice Coil • Double Stacked Magnet

For more information on wiring subwoofers, visit our Subwoofer Wiring Guide: Subwoofer Wiring Guide

Product Summary

Manufacturer: RE Audio
Model number: SRX15D4
UPC: 611892991156
Weight: 20.00 lbs
Internal SKU: srx15d4
Internal product ID: 27308