Dayton Audio RS180-4 7" Reference Woofer 4 Ohm

Brand:|Model: RS180-4
The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Woofer features a black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, solid aluminum phase plug, and gold spring terminals.
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Part # 295-374
  • 4 ohm impedance is perfect for series pairs in MTMs and center channel speakers
  • Excellent car audio midrange/midbass
  • High-end low-distortion motor with two shorting paths to reduce inductance

Product Details

Dayton Audio RS180-4 7" Reference Woofer 4 Ohm

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing a low-distortion motor system with two short-circuit paths and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Their low-distortion characteristics and high excursion capabilities provide exceptional clarity, detail, and dynamics. Woofer features a black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, solid aluminum phase plug, and gold spring terminals.

Product Specifications
  • Nominal Diameter7"
  • Power Handling (RMS)60 Watts
  • Power Handling (max)120 Watts
  • Impedance4 ohms
  • Frequency Response39 to 3,600 Hz
  • Sensitivity89.2 dB 2.83V/1m
  • Voice Coil Diameter1"
Thiele-Small Parameters
  • Resonant Frequency (Fs)38.4 Hz
  • DC Resistance (Re)3.1 ohms
  • Voice Coil Inductance (Le)0.45 mH
  • Mechanical Q (Qms)2.13
  • Electromagnetic Q (Qes)0.59
  • Total Q (Qts)0.46
  • Compliance Equivalent Volume (Vas)0.75 ft.³
  • Mechanical Compliance of Suspension (Cms)0.97 mm/N
  • BL Product (BL)4.71 Tm
  • Diaphragm Mass Inc. Airload (Mms)17.8g
  • Maximum Linear Excursion (Xmax)6 mm
  • Surface Area of Cone (Sd)124.7 cm²
Materials of Construction
  • Cone MaterialAluminum
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter7.11"
  • Baffle Cutout Diameter5.75"
  • Depth3.23"
  • Bolt Circle Diameter6.63"
  • # Mounting Holes6
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.38 ft.³
  • Sealed F367 Hz
  • Vented Volume1.0 ft.³
  • Vented F333 Hz
Dayton Audio RS180-4 7" Reference Woofer 4 Ohm
  • BrandDayton Audio
  • ModelRS180-4
  • Part Number295-374
  • UPC844632054242
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (35 Reviews)
  • Weight5.1 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Dayton Audio RS180-4 7" Reference Woofer 4 Ohm
Dayton Audio RS180-4 7" Reference Woofer 4 Ohm is rated 4.7143 out of 5 by 35.
Rated 5 out of 5 by from DAYTON AUDIO 7INCH SUBWOOFERI brought 2 of these for my old Yamaha YST-50SW.They work perfectly
Date published: 2014-07-21
Rated 5 out of 5 by from Great woofers!I bought these to mate with my seas 27TAFNC tweeters, and they did the trick!They sounded great and were very easy to work with! Great product from a great manufacturer.
Date published: 2014-06-21
Rated 4 out of 5 by from I am pleased with these.I installed these along with a set of Vifa NE25VTS-04 1" Silk tweeters in my 2002 Oldsmobile Bravada, Crossover duties are handled by an Alpine CDA-9835 Source Unit and they are being powered by a Hifonics HFi 55.4 amp. I have had a few different sets of speakers in my truck (they were all Coax), and this new setup I have installed blows them all away! I have these currently bandpassed at 80hz with a 18db slope and they are being ran up to 1600hz with a 12db slope. After playing with it for a little bit I got these and the tweeters to blend together pretty well.It may be my tune, or my doors not being fully treated, but they do not play low end as loud as I had hoped. Like I said it may be my install. I am still stoked about my purchase, my setup sounds even better than I thought it would. I am a big fan of Dayton Audio now.The woofer feels to be of great build quality, the surround is a little floppy but I assume it was designed that way to play the way it does.In my 02' Bravada I did have to make new baffles out of MDF to mount it. But that was not a big deal.
Date published: 2014-03-13
Rated 3 out of 5 by from Jack of all trades master of none.This speaker has severe cone breakup above 3000hz. This makes it VERY difficult to find a tweeter that plays low enough without distorting.If using a 12db passive crossover I would low pass this woofer at 2000hz. Any higher and during female vocal solo's the cone breakup will be become very noticeable.One of the few tweeters that can run a 2000hz 12db slope passive highpass is the Dayton Reference RS-28. This combined with a 6db Lpad on the tweeters gives excellent sound quality up to moderate volume levels.Running an active crossover with steeper 24db slopes allows the woofer to be low passed at 2500hz without any audible cone breakup. This higher frequency, steeper slope crossover point allows a greater selection of tweeters and allows smaller format tweeters to be used.The build quality and clarity of sound below 1000hz is exceptional.
Date published: 2013-06-07
Rated 5 out of 5 by from Big bass in a small packageI bought these for use in my GTI doors to replace the stock speakers. In my car, the midbass location is less than ideal (speaker fires right into your butt) so I built a 3/4cuft sealed enclosure for each door to move the midbass to the bottom front of the door card.These were run active off of a DEH-80PRS with a bandwidth of 60-3000 htz dirven by a Linear Power 952 at 45 watts per channel.All I can say is in this configuration, in my car, I could get by without a subwoofer and be happy. These speakers love to hammer out the midbass all day long and sound good doing it.I combined these with the RS-28 tweeters run active from 3000 up on a modified Linear Power 452iq at 40 watts and had a great sounding front stage with great depth and width to about a foot outside the A pillar.Really worth looking at these if you like serious up front midbass.
Date published: 2013-03-23
Rated 5 out of 5 by from Name brand killerI like trying from the unknown...Audiomobile, Elemental Designs etc..both from back in the day but were solid performers compared to big name guys. The Reference 7 drops right in my door and the Reference 4 drops right in the mods needed. The car is a 2012 Sonata and the only processing is from a JBL MS8. So what are these speakers replacing? A $500 Hybrid Audio L3SE set and a $300 Hybrid Audio Imagine 6.5 set. The Reference 7 is so clean and clear its amazing. Combined withe Reference 4 they create such a huge, crisp and powerful front stage with such detail. No lie ...this set up cost nothing compared to what it replaced and was worth every penny. I'm thinkin of replacing my IDQ 10 for the HO Dayton next!!!! Get em!!!!
Date published: 2013-03-10
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Product Q&A

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Dayton Audio RS180-4 7" Reference Woofer 4 Ohm

Port dimensions for two of these wired in series in a 2.0 cubic foot enclosure?

Asked by: NewB
I would recommend a 2-1/2" diameter, 4-1./2" long port for a tuning frequency of 31 Hz.
Answered by: MattP
Date published: 2015-10-01

Follow up with my previous questions, what is the lowest frequency this drive can be at full power of 60-Wrms in 1.0 cu.ft, port 2" x 7"?

Asked by: KNguyen
About 75 Hz before excursion becomes a problem.
Answered by: MattP
Date published: 2015-08-21

With the suggested enclosure, 1 cu.ft, for F3 of 33Hz, would you please let me know the Wrms power level this driver can handle? What would be the required port dimension? Thank you,

Asked by: KNguyen
This woofer will reach excursion limits at 28 Hz with 30 watts. I would recommend a port diameter of 2" and length of 7".
Answered by: MattP
Date published: 2015-08-21

I own these and plan to use them crossed to RS52AN-8 Dome mids at 900-1k Hz range. Can I get away with a 1st order crossover on the woofer? Probably better with 2nd order on dome mids? (1.1cu/ft tower cabinets, 3-way ported design) Thank you for answers.

Asked by: Kowalski54
Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-08-12

I'd like to put this woofer in a 14L box.  What are your recommendations - vented or closed? WinISD predicts a fairly similar response either way.

Asked by: juanvaldez
I would recommend keeping that volume sealed.
Answered by: MattP
Date published: 2015-06-15

Installed for rears of car yesterday, and sound great! But my amp doesn't have low pass setting, so looking at your Harrison FMOD (12dB slope) crossovers for this. Use 1kHz or 2.5kHz for midbass? Fronts & sub are good and set.

Asked by: D_k_Y
This depends on the range you want these to cover. Generally a mid-bass will be crossed around 2-3kHz. If these are just for rear fill, 2.5kHz should work well.
Answered by: MattP
Date published: 2015-01-13
  • 2015-10-13T07:48CST
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