DS18 PRO-SM8.4 8" Shallow Water-Resistant Midrange Speaker | 250W RMS | 4-Ohm

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SKU: DS-PRO-SM8.4
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Regular price $63.96 USD
Regular price Sale $79.95 USD Sale price $63.96 USD
Massive Power & Clarity

Massive Power & Clarity

Superior Performance

Superior Performance

Advanced Technology

Advanced Technology

Premium Quality

Premium Quality

Engineered for motorcycles, powersports, and off-road vehicles, the DS18 PRO-SM8.4 delivers 250W RMS of powerful midrange sound in a compact 8" shallow-mount design. With a water-resistant cone, 4-ohm impedance, and 97dB sensitivity, it ensures loud, clear audio that withstands the elements.

Features:

  • 8" Shallow Midrange Speaker 500W MAX / 250W RMS
  • 4-Ohm Impedance for Easy Amplifier Matching
  • Water-Resistant Cone, Dust Cap, and Cloth Surround
  • High Sensitivity (97dB) for Clear, Loud Output
  • 1.5" Kapton Voice Coil with 25oz Ferrite Magnet
  • 2.5" Mounting Depth for Versatile Install Options

Specifications:

Nominal Diameter
8" / 203.2mm
Nominal Impedance
4-Ohm
RMS Power Handling
250W
MAX Power Handling
500W
Sensitivity (1w/1m)
97dB
Frequency Response
65Hz - 12KHz
Recommended HI Pass Crossover
160 Hz
Pair or Single
Single
Grill Included
No
Voice Coil Water Protection
No
Water-Resistant Rating
N/A

UPC: 810199440415


Motor

Voice Coil Diameter
1.5" / 38.1mm
Voice Coil Former Material
Kapton
Winding Material
CCAW
Cone Material
Water Resistant Paper
Surround Material
Coated Cloth
Basket Material
Steel
Basket Color/Finish
Gloss Red
Magnet Material
Ferrite
Magnet Weight
25 Oz


Thiele & Small Parameters

Equivalent Volume
24.96L / 0.881f3
Excursion (one way)
1.3 mm
Free Air Resonance
110Hz
Mechanical Factor (Qms)
8.062
Electrical Factor (Qes)
1.024
Total Factor (Qts)
0.898
Mechanical Mass
10.132g
Mechanical Compliance
0.416mm/N
BL Factor
3.027
Voice Coil Inductance
0.364mH
Cone Area
213.82cm2
DC Resistance
3.2 ohms
Mechanical Mass w/o Air
9.98g


Measurement

Overall Diameter
8.23" / 209mm
Overall Depth
2.7" / 69mm
Front Mount Baffle Cutout
7" / 180mm
Mounting Depth
2.5" / 63mm
Motor Diameter
4.72" / 120mm

Free shipping in the 48 U.S. states. Orders placed before 11 PM ET process next business day; shipping takes 5–8 days. Tracking info is emailed once shipped. To cancel, contact info@eliteautogear.com within 24 hours. Processed orders can’t be canceled. Thank you for choosing Elite Auto Gear!

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

From Boats to Jeeps to UTVs

Built to Be Heard Everywhere You Ride

Power That Dominates

Pro-grade audio engineering delivers crystal-clear highs and powerful bass that cuts through any environment. Built for the toughest rides and loudest adventures.

Built for Tough Rides

Engineered to withstand extreme conditions with rugged construction and weatherproof design.

Built for Power & Durability

Premium materials and advanced engineering ensure long-lasting performance in any environment.

Immersive Sound & Lighting

Experience rich, immersive audio with synchronized lighting effects that enhance every adventure.

DS18 PRO-SM8.4 8" Shallow Water-Resistant Midrange Speaker | 250W RMS | 4-Ohm
Don’t Just Hear the Music—Feel It

Upgrade Your Ride With Pro-Level Sound

From waves to trails, Elite Auto Gear delivers gear that’s louder, cleaner, and tougher than stock. Get the power your setup deserves today.
Shop the Gear Now

What Our Customers Are Saying

⭐ 4.9 stars reviews, Loved by Thousands

M**I
★ ★ ★ ★ ★

"Great packaging and super loud speakers would recommend buying and got delivered fast"

M**I

Verified Verified Customer
B.
★ ★ ★ ★ ★

"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."

B.

Verified Verified Customer
werita&chukito3
★ ★ ★ ★ ★

"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"

werita&chukito3

Verified Verified Customer
★ ★ ★ ★ ★

"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"

Verified Verified Customer
★ ★ ★ ★ ★

"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"

Verified Verified Customer
B.
★ ★ ★ ★ ★

"The speakers were loud and good"

B.

Verified Verified Customer
obs_brycen
★ ★ ★ ★ ★

"Great product but it only comes with one tweeter so make sure you buy 2"

obs_brycen

Verified Verified Customer
s**a
★ ★ ★ ★ ★

"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"

s**a

Verified Verified Customer
bmtmanuel
★ ★ ★ ★ ★

"Received them and they work as i expected"

bmtmanuel

Verified Verified Customer
**l
★ ★ ★ ★ ★

"They got here before estimated arrival and are in amazing condition"

**l

Verified Verified Customer
M**S
★ ★ ★ ★ ★

"Muy buen producto de escucha muy bien"

M**S

Verified Verified Customer