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RE Audio SEX12D4

600W 12" SE-X Series Dual 4 ohm Subwoofer

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• RMS Power: 600W
• Dual 4 ohm
• Rubatek Foam Surround
• Dual Composite 2-Piece Cone
• Tork-Tite Terminals
• Progressive Spiders
• Triple Stacked Magnets

Learn more about the sex12d4

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

sexv212d4 thumbnail

RE Audio SEXv2-12D4 (SEX v2 12D4)

OUR PRICE: $194.99

View item

Product Highlights


• RMS Power: 600W
• Dual 4 ohm
• Rubatek Foam Surround
• Dual Composite 2-Piece Cone
• Tork-Tite Terminals
• Progressive Spiders
• Triple Stacked Magnets

Description


RE Audio brand icon

Authorized dealer

RE Audio SEX Subwoofers

RE Audio’s SEX Line of subwoofers redefines high performance and value. These subwoofers are placed in the middle of RE Audio’s full line-up, and can handle high power output around 600 watts RMS! These SEX Subwoofers are the perfect addition to any trunk!

These impressive subwoofers are built into a cast aluminum basket, and their triple stacked magnet drivers work off of a 3” 4-layer aluminum voice coil. This allows for quick bass response, and clearly outputs for deep bass in the lower frequency range. With an FEA optimized motor structure, the SEX subwoofer lineup maintains tight bass response and allows the subwoofer full control over all types of music.

Each one of these RE Audio SEX Subwoofer can handle 600 watts RMS of continuous power, no matter the size! These competitively priced subwoofers are an excellent complement to any audio system, and will provide you with that clean, hard hitting bass you’re looking for.

Subwoofer Features:
  • 12" Dual 4 ohm SEX Series Car Subwoofer
  • Power Handling:
    • RMS: 600 watts
  • Impedance: Dual 4 ohm
  • Dual composite 2-piece cone
  • Rubatek foam surround
  • FEA Optimized motor structure
  • Progressive spiders
  • Wrap around rubber gasket
  • Tork-Tite terminals
  • 3" 4-Layer voice coil
  • Triple stacked magnets
  • Also available in a Dual 2 ohm: RE Audio SEX12D2
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
SEX 12" T/S Parameters:
  • Electrical Q Value (Qes): 0.49
  • Mechanical Q Value (Qms): 4.5
  • Total Speaker Q Value (Qts): 0.44
  • Free Air Resonance (Fs): 25.1 Hz
  • Equivalent Compliance (Vas): 72.9 liters
  • One-Way, Linear Excursion (Xmax): 18 mm
  • Efficiency (SPL 1W/1m): 86.1 dB SPL
  • Effective Piston Area (Sd): 480 cm2
  • DC Resistance (Re): 2.8 ohm
  • Nominal Impedance (Znom): Dual 4 ohm
  • Thermal Power Handling (Pe): 600 W
  • Force Factor (Bl): 17.7

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

Product history:

RE Audio SEXv2-12D4 thumbnail
(newest, current model)
RE Audio SEX12D4 thumbnail
(previous model, replaced by RE Audio SEXv2-12D4 (SEX v2 12D4))

Subwoofer Wiring Guide


Wiring Guide to Wire 1 RE Audio SEX12D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 RE Audio SEX12D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 RE Audio SEX12D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 RE Audio SEX12D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
SEX Series
Subwoofer Size
12"
RMS Power Handling
600 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
3"
Sensitivity
86.1 dB
Xmax (millimeters)
18 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Dual Composite 2-Piece Cone
Woofer Surround
Rubatek Foam
Magnet Structure
Triple Stacked
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.75 cubic feet
Maximum Sealed Box Volume
1.0 cubic feet
Minimum Ported Box Volume
1.5 cubic feet
Maximum Ported Box Volume
2.0 cubic feet
Top-Mount Depth (Mounting Depth)
7"
Cutout Diameter
11-1/4"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
25.1 Hz
Equivalent Compliance (Vas)
72.9 liters
Total Speaker Q Value (Qts)
0.44
Electrical Q Value (Qes)
0.49
Electrical Resistance of Voice Coil (Re)
2.8 ohms
Mechanical Q Value (Qms)
4.5
Efficiency Bandwidth Product (EBP)
51.22
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SEX12D4

Weight:

23.00lbs

Internal SKU:

sex12d4

Internal Product ID:

27312

Product and How-to Videos


  • RE Audio New Product Line Overview | CES 2015
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews



5 star
86%
4 star
11%
3 star
3%
2 star
0%
1 star
0%



Durability
4.6
Value
4.8
Features
4.8
Design
4.9
Usability
4.9

Customer Reviews

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One of the BEST Subs I’ve Ever Heard

The RE Audio SEX12D4 is one of the best sounding subwoofers I have ever heard. Seriously, this sub is incredible. At first I was a little skeptical about it. I had heard really good reviews about the sub, but I couldn’t get over the low price. I guess this subwoofer is in the same class as the Alpine Type-R, Kicker CVX, Rockford Fosgate P3, Pioneer Champion Pro, MTX Thunder 8500, etc… BUT I think it sound SO much better! The RE Audio SEX woofer plays LOUD. Right now I have it in a vented enclosure tuned at approximately 32 Hz and it is hands down the best sounding subwoofer I have had in my car. No matter what type of music I am listening to, it sounds great. When I’m testing my system with some Eagles – Hotel California (live version of course), the bass is the perfect amount to compliment the speakers. Not too overbearing, but just enough punch. When I put on some Hip Hop, the bass notes hit deep and I can feel the bass. This sub will sound great with all genres of music.

It has some serious excursion too. I put on the Bass Mekanik – Sonic Overload CD and really tested the bass. I was really impressed. The sub was flying all over the place! Sounded much better than the several subwoofers that have been in the car before it. Don’t want to say specifically which subs it sounded better than (hint: read above), but this is definitely sounded better, and not just for SPL. I have found that the RE Audio SEX 12” sub is great for SQ as well. Currently, I have it hooked up to a Kicker 750.1 amp that stated 925 watts RMS on the birth sheet. So even if the amp is just giving the sub 750 watts RMS, this sub is still running smooth. Even though they state 600 RMS, just bring the gains down and you can hook it up to amp that put out a lot more power. Probably the safest bet to hook it up to a perfectly matched 600-watt car amplifier.

Overall, I am 100% impressed and converted to RE Audio subs. For the price that Sonic Electronix has, you can’t go wrong. This is bass that I would expect to spend $400-500. Plus, I love the look of the cone. Just a simple black inverted dome with the RE logo. Simple and cool.

By Owen on September 7, 2010

58

found this helpful.

True Sleeper!!

I have 2 of these installed in my 03 Acura Cl. I have them hooked up to a Hifonics Amp @ 1ohm 2000 rms. Let me tell you it feels like my eye lids are flapping when i crank it. Highly recommended! All my friends have a puzzled look when i tell them RE Audio aka True Sleepers.

By Jay Frank on August 25, 2010

55

found this helpful.

Awesome sub!

I replaced 2 Kicker comp vr 12's in a ported box with one of these in a sealed box. This one blows the kickers away! Sound quality is so much better, and bass is just as good.

By Michael on March 1, 2014

53

found this helpful.

Amazing subwoofer

This sub is great, I own two of them in a ported box 1.75cu for each sub. I have them running on a Hifonics Brutus 1200.1 @ 1 ohm. These sound great in my suburban they hit the lows very well and get loud. Not to mention the sound quality is amazing. They are very power hungry I wish I would have gone with the 1700.1 amp. Ive pounded these subs very hard and clipped them for long periods of time to see what they can handle and they still hit hard. Amazing sub amazing service from Sonic Electronix.

By Josh on June 10, 2011

46

found this helpful.

Bumpin' Sub

I'm no audio pro, but I am an enthusiast. Purchasing this sub was definitely no mistake. Thanks to Sonic for the AWESOME prices, truly can't beat it. I got everything for $350. And I blow everyone else in the area out of the water! I have this in the back of my '03 Tiburon facing the front in a Belva 1.8 cu. ft. ported box hooked to a Boss AR3000D (wasn't gonna spend a whole lot of money on an amp) with a full fledged 4 ga wiring kit wired at 4 ohms and this thing HITS. My mirrors go nuts, the lows this thing produces is unreal and you can hear it from at least a 1/4 mile away, and the thing is... it's not even turned half way up! The excursion is great. I love everything about this sub. I listen to country, old rock and rap. I listen to literally everything and it sounds great with it all. If you're thinking about buying this sub... buy it. You won't regret it. The people who think they have something with their 2 Kicker Comp 12s or their Type R.... they don't stand a chance against this. Everyone is amazed when i tell them I only have one sub for it to be so loud and so clear. I'm gonna keep pushing this one a little more here and there. I love it. If you love bass and want a lot and clear sounding, and like the lows and want to feel your hair move and feel it in your chest... and on a budget, buy this sub.

By TheBreeze on February 16, 2014

40

found this helpful.

Hits low

i have this sub in a ported box with a hitron 1000 it hits hard and sounds clean but im going to upgrade the amp its alread speechless

By Christian on August 20, 2010

39

found this helpful.

Best Bang for the Buck

First of all I've owned two RE XXX 12" dual 2 ohm subs now for 10 years, yes that's 10 years; and I've never had a problem with them. Second I've owned two RE SEX 10" dual 4 ohm subs for 5 years and never had a problem with them. These people are using the wrong box size and the wrong port size when applicable. These subs will handle more than 600 watts rms if they're put in the right box. They are ear splitting loud too. I let my nephew borrow my 10's and all his friends wanted to know what kind they were because you could hear him from 6 blocks away. I installed them in his Dodge Dakota Club Cab in 1.0 cubic foot boxes with 2" ports. I suggest going to reaudio.com and look at their recommendations for box and port sizes. They slammed until he had a wreck and his truck burned up, thank GOD he was ok. For this Christmas I'm installing 2 of these in a 2.50 cubic foot box with 3" ports at 34 Hz. The amp I'm going to use is a Hifonics HFi1500D. Note that the amp is 300 watts too high. However if you calculate a class "d" amp you only get 90% wattage output. One more thing I HAVE BEEN A PROFESSIONAL INSTALLER FOR 20 YEARS. Thank you.

By Eric123 on December 6, 2011

38

found this helpful.

wow amazing wooofers

I bought 2 of these and bought a dual enclosed did not fit ended finding are very well built ported box 1.5 thick MDF .They are being powered by a Rockfort Fosgate 1500 -1 bd amp that the birth certificate says 1946 watts I like that they give 40 %more power free.. to get back to sub woofers they are great I based my purchase on the testimony of these prodcuts the rest the system everything purchsed at sonic my head unit is the Pioneeer DEH -PRS wow incredible front door RE XXX compo and in the rear helix comps running om Rock fort 800 *4 that puts out 97 watts .ALL THESE INSTAED IN 20008 TOYOTA Siena it rocks in very big way

By purple sage cowboy on April 1, 2014

37

found this helpful.

THESE ARE A MUST BUY

I had two 12 kicker L3's I blew them in 3 months the RE sex 12d4 SUBS HIT HARD I set off everyone's alarm at work I have 2 of them in a ported ground shaker box with a hifonics Brutus 1800 watts at 1ohm I swear you can feel every note in your chest the bass makes the hair on my arms move it swear GET THESE there built for brutality

By AllMightyDollaz on March 14, 2014

37

found this helpful.

great product

This sub is the best ive owned yet! It slams. it is very comparable to the Alpine Type-r but this woofer sounds twice as clean!

By matthew on March 1, 2011

37

found this helpful.

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