Dayton Audio RS75-4 3" Reference Full-Range Driver 4 Ohm

Brand:| Model: RS75-4
Incorporating a low-distortion motor system with a copper ring, a copper cap, and an aluminum phase plug, the RS75-4 can outperform "boutique" drivers that cost several times the price.
  • Full-range performance
  • Low distortion and high resolution
  • Aluminum frame, aluminum cone, rubber surround
  • Distortion-reducing copper ring, copper cap, and aluminum phase plug
  • Subtle yet high-tech look makes a bold cosmetic statement
  • Designed and engineered in USA
Part # 
Weight: 0.6 lbs.  
List Price$27.99
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Buy 4-up$19.81
Part # 295-380
Qty:  EA
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Product Details

Dayton Audio RS75-4 3" Reference Full-Range Driver 4 Ohm

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Incorporating a low-distortion motor system with a copper ring, a copper cap, and an aluminum phase plug, the RS75-4 can outperform "boutique" drivers that cost several times the price. Its low-distortion characteristics and smooth response provide exceptional clarity, detail, and dynamics. Features a black anodized cone, heavy-duty 4-hole cast frame, low-loss rubber surround, and gold terminals.


Product Specifications
  • Nominal Diameter3"
  • Power Handling (RMS)15 Watts
  • Power Handling (max)30 Watts
  • Impedance4 ohms
  • Frequency Response170 to 20,000 Hz
  • Sensitivity83.3 dB 2.83V/1m
  • Voice Coil Diameter0.63"
Thiele-Small Parameters
  • Resonant Frequency (Fs)170 Hz
  • DC Resistance (Re)3.14 ohms
  • Voice Coil Inductance (Le)0.18 mH
  • Mechanical Q (Qms)5.76
  • Electromagnetic Q (Qes)0.97
  • Total Q (Qts)0.83
  • Compliance Equivalent Volume (Vas)0.005 ft.³
  • Mechanical Compliance of Suspension (Cms)0.72 mm/N
  • BL Product (BL)2.01 Tm
  • Diaphragm Mass Inc. Airload (Mms)1.12g
  • Maximum Linear Excursion (Xmax)1.1 mm
  • Surface Area of Cone (Sd)12 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 Diameter2.83"
  • Baffle Cutout Diameter2.13"
  • Depth1.52"
  • Bolt Circle Diameter2.52"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.015 ft.³
  • Sealed F3170 Hz
  • Vented Volume0.02 ft.³
  • Vented F3100 Hz
Dayton Audio RS75-4 3" Reference Full-Range Driver 4 Ohm
  • BrandDayton Audio
  • ModelRS75-4
  • Part Number295-380
  • UPC844632086281
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (9 Reviews)
  • Weight0.6 lbs.
  • Case Qty50
  • 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 RS75-4 3" Reference Full-Range Driver 4 Ohm
Dayton Audio RS75-4 3" Reference Full-Range Driver 4 Ohm is rated 4.8889 out of 5 by 9.
Rated 5 out of 5 by from Great PC satilite speakers for home made 2.1 systeThis is my first speaker build. I built enclosures from 1/2" MDF. Great practice for my next build (home theater system). These speakers are listed as 3" but they are really more like 2" speakers which I knwe. Although they are small they put out a good amount of quality sound. They sound much better now that I added a small sub. I am using a Lepai LP-2020A+ and a Dayton Audio SA25 sub amp with a small 4" sub. $130 Bose beaters...Fun project.
Date published: 2014-06-09
Rated 5 out of 5 by from Great little speakerThis review has been a year in the making. I have these speakers installed in the dash of my 2010 Nissan Frontier. They are crossed over at 500HZ with a 12dB slope. After EQing the top end up from 5KHZ on up. The results were very good. So I started going to MECA sound quality contests. I have had a pretty successful competition season ending with being state champion of my class and 2nd at the Car Audio Championship. So if you are looking for a small speaker that doesn't break the bank, these are a great choice!
Date published: 2013-10-21
Rated 4 out of 5 by from Good looking, good sounding, a bit tricky to installThese are excellent small drivers. I used them for an arcade cabinet, where space is tight. They sound really good for their size, and they also look great.The installation is a bit tricky: with the recommended cutout, it's tricky to pass the connectors through the hole (I had to bend the support plate quite a bit). And you can't really use a bigger cutout either: the mounting holes are pretty close.
Date published: 2013-09-05
Rated 5 out of 5 by from Great product and a heard to find sizeI searched for a long time to find drivers to replace the stock in the sail panels of my Ford Escape. I had tried tweeters but they are always too bright for my taste. These fit very well and sound amazing. They are the only speakers I am running off of the head units power. I bypassed the stock passive crossover and ran them full range at first. They sounded good but since the sail panels are not a fully sealed enclosure I don’t get much response out of them below 500ish Hz. I added a capacitor from Parts Express and am now running them with a soft first order passive crossover at around 900 Hz and they are amazing. I no longer have that harsh tweeter sound and they blend very well with the rest of my system. If you have trouble getting them to fit in a mobile audio stock location, try building up the plastic with some JB weld.
Date published: 2013-04-10
Rated 5 out of 5 by from 3" widebandI have been pondering in my mind all the hype of these " monster" speakers. I received these and installed them in some temporary "pods" made out of auto ashtrays from the dollar store. I put them on my dash on axis with my eyes .Disconnected my k2 power 6.5 " . Hooked up these 3"played with my amp crossover which is a 1000 watt 4 channel. Reduced the gains on amp. Put in the "hair band" acoustic Cd ...... Guys and gals for less than 25 bucks per driver you too can experience music . Gonna build permant pods for sure. I am very impressed to say the very least. Thanks Dayton Audio!Leno
Date published: 2012-07-07
Rated 5 out of 5 by from Amazing SQI just got these into the dash of my 90 VW Jetta along with the RS180-4s in my doors running off 100w/ch of a Soundstream Reference amp. The 75s play down to 1.25kHz @ 6dB/oct and the 180s play from 50-1.25kHz @ 18dB/oct. Along with my SoloBaric 10" subwoofer, they deliver an amazingly lifelike and realistic soundstage. After about 1.5-2 hours of tweaking I got absolutely lost in my music! It wasn't until I had listened to the ENTIRE cd that I had realized that I had been in the car THAT long! I've owned a LOT of high-end, major car audio brands over the years (JL, Quart, Focal, etc) and these are BY FAR the most inexpensive, but up there with the best as far as sound. My only gripe is that the speaker connection tabs stick out a bit far compared to the mounting flange. It made mounting them into the cutout a bit tricky, but nothing major.
Date published: 2012-05-16
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Product Q&A

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Dayton Audio RS75-4 3" Reference Full-Range Driver 4 Ohm

I'm thinking of two of these RS75's along with an RS150 in a .5 cf box without internal cabinet separation powered by a MCA2250E to be used as a travel speaker. What's your opinion of the results? Cab size?

Asked by: Basshunter

i ordered one of these for my first project. My goal is to make a small bluetooth speaker using this as my only speaker. The box i made was crafted out of a few different hard woods and is about 5"x 5"x10". is this driver okay? what should i use?

Asked by: curtwoodproductions
I modeled a pair of these drivers in that enclosure size, assuming external dimensions and 1/2" thick walls. The volume works out very well for two ported, with a 1-1/2" diameter, 4" long port your tuning frequency would be 110 Hz.
Answered by: MattP
Date published: 2015-01-06

what would be the port size for this speaker in the recommended .02 enclosure

Asked by: magila77
The recommended port size for this enclosure is 0.5" in diameter and 1.25" long.
Answered by: MattP
Date published: 2014-12-11

Hello. Is this for one speaker or a pair?

Asked by: Danny87
These are sold individually.
Answered by: MattP
Date published: 2014-10-30

I'd like to build a ported enclosure that would hold 2 of these as an 8ohm center ch. What would the optimal enclosure and port size be using 1/2" MDF. Is there an optimal spacing between the drivers? What can I use to block lower freqs?

Asked by: Tom_S
I would recommend external dimensions of 4"H x 10"W x 4"D with a 1" diameter, 2-1/2" long port tube for a tuning frequency of 120 Hz. Spacing doesn't make much difference here, generally the closer the better to help with comb filtering. A high pass is recommended, something around 150 Hz or higher. Generally you can set this in your receiver.
Answered by: MattP
Date published: 2014-09-25

Hi, what I'm using these speakers as dash tweeters.  What capacitor or capacitor values would you recommend?

Asked by: shaman
This really depends on where you want to cross it over. You could get away with a 200-400 uF cap and let it play as low as 150 Hz, or you could use something like a 5.2 uF and cross it closer to 2k.
Answered by: MattP
Date published: 2014-07-04
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