Dayton Audio RS100-4 4" Reference Full-Range Driver 4 Ohm

Full-range capability

8-14 days

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The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers.

The Dayton 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, rubber magnet boot, and gold terminals.



Sealed Volume 0.03 ft.³
Sealed F3 143 Hz
Vented Volume 0.1 ft.³
Vented F3 72 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations


• Full-range capability
• Long-excursion motor and suspension for strong bass performance
• Subtle yet high-tech look makes a bold cosmetic statement
• Designed and engineered in the USA
• Great replacement for the Dayton RS100S-8 4" Reference Shielded Full-Range Driver


Speaker Series Reference Series
Model Number RS100-4
Color Black
Unit of Measure Each
UPC 844632068133
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 1.4000


Speaker Type Full Range
Nominal Diameter 4"
Power Handling (RMS) 30 watts
Power Handling (max) 60 watts
Impedance 4 ohms
Sensitivity 84.2 dB @ 1W/1m
Frequency Response 80 - 20,000 Hz
Voice Coil Diameter 26 mm


DC Resistance (Re) 3.0 ohms
Voice Coil Inductance (Le) 0.67 mH
Resonant Frequency (Fs) 80.2 Hz
Mechanical Q (Qms) 3.1
Electromagnetic Q (Qes) 0.57
Total Q (Qts) 0.48
Diaphragm Mass Inc. Airload (Mms) 3.90 g
Mechanical Compliance of Suspension (Cms) 1.00 mm/N
Surface Area Of Cone (Sd) 37.4 cm²
Volume of Displacement (Vd) 15.0 cm³
BL Product (BL) 3.22 Tm
Compliance Equivalent Volume (Vas) 2.0 liters
Maximum Linear Excursion (Xmax) 4.0 mm


Cone / Diaphragm Material Black Anodized Aluminum Cone
Surround Material Rubber
Voice Coil Wire Material Copper
Voice Coil Former Aluminum
Dual Voice Coil No
Basket/Frame Material Cast Aluminum
Magnet Material Ferrite
Shielded No


Overall Outside Diameter 98 mm
Overall Depth 51 mm
Baffle Cutout Diameter 77.2 mm
# Mounting Holes 6
SKU 844632068133
Model # RS100-4
Brand Dayton Audio
Shipping Weight 0.6356kg
Shipping Width 0.108m
Shipping Height 0.108m
Shipping Length 0.083m
Shipping Cubic 0.000962m3
Assembled Length 0.083m
Assembled Height 0.108m
Assembled Width 0.108m

Dayton RS100-4 - my boombox

By: on 25 September 2014
After looking at a few commercial Bluetooth speaker boxes I decided to build my own. Started with an amplifier kit from Altronics (K1536), a regulated 15v supply (internet design, my build) and the specs from the Dayton Audio web site, I built two vented boxes into an MDF cabinet with a centre section for the electronics. The speakers are a little inefficient (could use some more amp power) but with a little bass / treble adjustment (tone controls built into input stage of the amp) the sound is quite good and plenty load enough for the shed / backyard where I use them. Will soon be adding USB (for charging) and a Bluetooth module.

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