Garage
Shop

See all parts that fit your 1998 S70

Alpine S2-S80C with Sound Damping

520W Peak (170W RMS) 8" S-Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

Alpine
Shop all Alpine
highlight-star-icon

• 260 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 80 dB

Learn more about the s2s80c_sdsk2
Gear Icon

We need more vehicle details

To confirm this fits your 1998 S70, we need additional vehicle details.
Add more details or Update vehicle
List price $308.74
Thanks , You Pay:
-17%

$254.94

 with warranty
Starting at $24/mo or 4 payments of $64 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock
Brand new

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts

Loading...
NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

Club 522F main

JBL Club 522F (SPKCB522FAM)

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

-42.29%

$74.99

List price $129.95

CVP8 main

Cerwin-Vega CVP8 (Sold Individually)

350W Peak (170W RMS) 8" CVPRO Series Pro Full Range 4-ohm Speaker

-16.67%

$49.99

List price $59.99

Reference 5030cx main

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

2
-60.01%

$99.95

List price $249.95

VSP65 main

NVX VSP65

600W Peak (200W RMS) 6.5" V-Series 2 Way Coaxial Car Speakers

64
-15.39%

$109.99

List price $129.99

REF507CF main

Infinity REF507CF (INFSPKRF507CFUS)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

-12.00%

$219.95

List price $249.95

Limited time!
P1V2-675 main

Rockford Fosgate Punch P1V2-675

300W Peak (150W RMS) 6.75" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

-25.00%

$179.99

List price $239.99

H672 main

Cerwin-Vega H672

540W Peak (180W RMS) 6.75" HED Series 2 Way Coaxial 4-ohm Speakers

-16.67%

$159.99

List price $191.99

DMDX675 main

Diamond Audio DMDX675

300W Peak (100W RMS) 6.75" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

DMDX5 main

Diamond Audio DMDX5

240W Peak (80W RMS) 5" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

Description


Alpine brand icon

Authorized dealer

Experience the Era of High-Resolution Audio

We greatly admire Alpine's dedication to bringing high-resolution audio to more car enthusiasts. Drawing upon the technological advancements of their esteemed F#1 Status Series, Alpine's Next Generation S-Series car speakers offer an enticing opportunity to indulge in the exquisite intricacies of your beloved high-resolution audio files, all at an affordable price. While we recommend utilizing aftermarket power for optimal performance, these speakers deliver exceptional results even when powered by factory systems, thanks to their remarkably broad frequency response that guarantees a rich and authentic sound experience.

Unleashing Innovation through Materials

Alpine has infused these speakers with unmatched capabilities by incorporating highly efficient materials and exclusive design elements. The lightweight woofer cone, meticulously crafted from a blend of polypropylene, glass fiber, and mica materials, effortlessly produces the perfect balance between high output and low distortion, essential for outstanding high-resolution performance. Amplifying the bass to its finest, the woofer's High Amplitude Multi-Roll (HAMR) surround allows for maximum cone movement, bringing out the best in low-frequency reproduction. Moreover, the inclusion of a 3/4" silk dome tweeter ensures that you won't miss a single detail in the high-frequency range, enhancing your audio experience beyond what factory-installed speakers can offer.

Alpine S2-S80C

520W Peak (170W RMS) 8" S-Series Hi-Res 2-Way Component Car Speakers
Quantity: 1

Product Details:

  • 8" 2-way Component System Car Speakers
  • Power Handling:
    • Peak: 520 watts per set / 260 watts each side
    • RMS: 170 watts per set / 85 watts each side
  • High-resolution (Hi-Res) audio certified (up to 40000 Hz)
  • Polypropylene, Glass Fiber and Mica cone material
  • High-Amplitude Multi-Roll (HAMR) speaker surround
  • 1" Cloth Dome tweeters
  • Adjustable tweeters with threaded removable housing
  • Ferrite magnet motor structure
  • Lightweight design with high output and low distortion
  • OEM and factory fitment with in-line crossovers
  • Top-mount Depth: 2.61"
  • Cutout Dimensions: 7.02"
  • Impedance: 4 ohm
  • Frequency Response: 50 - 40000 Hz
  • Sensitivity: 90 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Complete Component System: 2 midwoofers, and 2 tweeters

NVX SDBSK2 Premium Stealth Black

91 mil 1.38 sq ft Car Speaker Sound Deadening Kit (Two 10" x 10" Sheets)
Quantity: 1

Product Details:

  • 1.38 square feet sound deadening kit
  • Solid black design for any stealth car audio installation
  • Core is based with 100% pure butyl rubber to withstand extreme heat
  • No asphalt, tar, or cheap fillers - will not outgas, melt or fall off
  • Waterproof barrier protects against moisture damage and mechanical oils
  • Up to 30% thicker than cheap 50–80 mil alternatives
  • Flexible aluminum backing contours tightly to complex door panels and vehicle curves with ease
  • Structural damping kills unwanted sheet metal resonance caused by heavy mid bass
  • Seals the door cavity to drastically increase speaker bass response and clarity
  • Lowers cabin ambient noise so you hear your music instead of the highway
  • Reflects radiant heat to help keep your vehicle interior cooler
  • Simple three step peel and stick installation process makes upgrading your sound quick
  • Combine this kit with NVX SDRLR1 Rubber Roller for easy installation
  • Pack includes two 10" x 10" sheets
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications:

  • Install Location: Speaker
  • Material Thickness: 0.091 (2.3 mm)
  • Amount of Material: 1.38 square feet
  • Material Use: Vibration Dampener
  • Optimal Performance Temperature: 14°F to 140°F
  • Rated Temperature Range: -75°F to 450°F
  • Application Temperature: 60°F to 90°F
  • Dimensions (each piece): 10"L x 10"W

Best selling similar products

HDZ653_SDSK2 small

Alpine HDZ-653 with Sound Damping

• 300 watts Peak Each, 100 watts RMS Each
• 1-1/4 Composite Dome Tweeters
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

(47)

$974.94

List price $1458.74

KAPPA603CF_SDSK2 small

Infinity Kappa 603CF with Sound Damping

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge-driven Dom Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

(54)

$359.95

List price $518.69

KAPPA63XF_ACC_KIT small

Infinity Kappa 63XF with Installation Accessories

• 255 watts Peak Each, 85 watts RMS Each
• Silk Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

(344)

$244.01

List price $387.66

DCX 690.3, XBAF69, SDRLR1, SDSK2, BTK106 small

Hertz CK 130 with Speaker Installation Kit

• 90 Watts Max Each, 45 Watts RMS Each
• 2 Piece Foam Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

(158)

$251.40

List price $323.71

XS162GS_SDBSK2 small

Sony XS-162GS with Sound Damping

• 250 watts Peak Each, 45 watts RMS Each
• 1-3/16" Silk Dome tweeters
• Composite Polypropylene Cone - CPPC cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

(47)

$212.99

List price $218.73

XS690GS_SDBSK2 small

Sony XS-690GS with Sound Damping

• 420 watts Peak Each, 60 watts RMS Each
• 1" Silk Soft Dome tweeters
• Composite Polypropylene Cone - CPPC cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

(47)

$182.99

List price $188.73

XS160GS_SDBSK2 small

Sony XS-160GS with Sound Damping

• 250 watts Peak Each, 45 watts RMS Each
• 13/16 Silk Soft Dome tweeters
• Composite Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

(47)

$162.99

List price $168.73

XS680GS_SDBSK2S small

Sony XS-680GS with Sound Damping

• 230 watts Peak Each, 40 watts RMS Each
• 13/16" Silk Soft Dome tweeters
• Composite Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

(48)

$162.99

List price $168.73

PNW65CS2_ACC_KIT small

AudioControl PNW-65CS2 with Installation Accessories

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.8 dB

(338)

$363.06

List price $426.71

GT75C_SDBSK2 small

JBL GT7-5C with Sound Damping

• 135 watts Peak Each, 45 watts RMS Each
• 1-3/16" Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

(50)

$134.94

List price $168.69

Specifications & Details


Speaker Specifications
CTA-2031 Compliant
No
Series
S Series
Total PEAK Per Pair/Set
520 watts
RMS Power Handling
85 watts
Peak Power Handling
260 watts
Woofer Surround
Rubber
Woofer Composition
Polypropylene
Tweeter Composition
Silk
Tweeter Size
1"
Tweeter Design
Dome
Design
2-way Component System
Speaker Size
8"
Priced Per
Pair
Total RMS Per Pair/Set
170 watts
Sensitivity
80 dB
Number of Speakers
2 Speakers + 2 Tweeters
Magnet Type
Ferrite
Shallow Mount Installation
No
Impedance (Per Voice Coil)
4 ohm
Frequency Response
50 - 40000 Hz
General specifications
Speaker Grilles
No
Illumination
None
Color
Black
Hi-Res Certified
Yes
Marine Certified
No
Sound Damping Specifications
Material Use
Vibration Dampener
Total Amount of Material
1.38 square feet
Material Thickness
0.091
Installation Location
Speaker
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

S2S80C_SDSK2

Weight:

10.19lbs

Internal SKU:

s2s80c_sdsk2

Internal Product ID:

202820

Customer Ratings & Reviews


Alpine S2-S80C with Sound Damping thumbnail image

5 star
91%
4 star
9%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Great deal

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Got this product free with the purchase of a pair of speakers it helps out a lot looks more professional and sounds cleaner definitely give it a try for your next project.

By Anonymous on August 8, 2019

62 found this helpful


Don't go without it

The following review is for SDBSK2, which is a part of the bundle you are viewing.

This really helps with overall sound quality, especially mid-bass in my experience. NVX offers excellent quality at better prices are than other popular sound deadening brands.

By Anonymous on September 9, 2019 Checkmark Icon Verified purchase

60 found this helpful


Very Thick Dynamat

The following review is for SDBSK2, which is a part of the bundle you are viewing.

This product is very thick compared to cheap versions. Priced excellent. If you want to reduce any vibration or road sound, choose this!

By Adrian on June 21, 2020 Checkmark Icon Verified purchase

59 found this helpful


Very pleased

The following review is for SDBSK2, which is a part of the bundle you are viewing.

I am glad I went with this brand. Easy application and works great in keeping my Corolla quiet and audio clean.

By Anonymous on November 26, 2019

59 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Thick and heavy. I was suprised with the actual quality. For the price they’re great quality

By Anonymous on June 22, 2018

61 found this helpful


Good product

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Sticky and did hook well to the cars body . Got it for free with my speakers purchase. Sonic electronix for life

By Anonymous on October 6, 2019

58 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

For the price, I wish it came with a bit more of the material compared to other packages, but it definitely does what it's supposed to and will make a noticeable difference if you knock on the door/panel where it was placed vs where it wasn't.

By Anonymous on June 12, 2018 Checkmark Icon Verified purchase

55 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Easy to use and reduced vibration, allowing clear sound coming from my door speakers.

By Anonymous on June 8, 2018

54 found this helpful


Great value

The following review is for SDBSK2, which is a part of the bundle you are viewing.

I installed these on each rear door of my 2005 Silverado. Could really hear a difference in sound quality.

By Reid on March 28, 2018

55 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Great product, Sonic Electronix is great. I've ordered a few things from time to time and have had no problems. I get the item quickly. I ordered this and was so pleased. I ordered another set. Works great.

By Joshua on May 25, 2020 Checkmark Icon Verified purchase

50 found this helpful



PA D5000.5 small

Polk Audio PA D5000.5 (PAD5000.5) Open Box

900W RMS, 5-Channel Class D PA Series Car Amplifier

$269.99

List price $499.95

MTV-5961 small

MTV Video MTV-5961 In-Dash Multimedia DVD w/ TV Tuner

$129.99

List price $249.99

HZ12 small

Hifonics HZ12 12" Zeus Series

$59.99

List price $149.99

XX-HERCULES small

Hifonics XX-Hercules

2000 watts, Class D Monoblock Amplifier

$479.99

List price $899.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1998 Volvo S70

2017 Lincoln Navigator

2014 Smart Fortwo

1996 Toyota 4Runner

2025 Genesis G70

2013 BMW 128i

2005 Cadillac XLR

1978 Jeep J10

2019 BMW X6

2012 Ford Fusion

Vehicle
Store
Delete

2004 Harley Davidson FLHTCSE Screamin Eagle Electra Glide

Vehicle
Store
Delete

2018 Can-Am Defender HD8

2016 Can-Am Commander Max 1000 LTD

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.