Garage
Shop

See all parts that fit your 1984 Thunderbird

Alpine S2-S40 with Installation Accessories

280W Peak (90W RMS) 4" S-Series 2-way Coaxial Car Speakers

Alpine
Shop all Alpine
highlight-star-icon

• 140 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Learn more about the s2s40_acc_kit
No Fit Icon

Doesn't fit your 1984 Thunderbird

Similar items | Update vehicle | Vehicle store
List price $201.71
Thanks , You Pay:
-27%

$146.48

/pair  with warranty
Starting at $14/mo or 4 payments of $37 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...
CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)

43
-16.69%

$149.95

List price $180.00

Limited time!
XAV-AX8500 main

Sony XAV-AX8500

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)

2
-20.20%

$798.00

List price $999.99

DEH-S7200BHS main

Pioneer DEH-S7200BHS

Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready

2
-10.72%

$249.99

List price $280.00

XRM59BT, CSDF620X2 main

Dual XRM59BT Stereo + (2-Pairs) of JVC CSDF620

Single DIN Mechless Car Stereo Receiver + (4-Total) JVC 6.5" Speakers

32
-50.42%

$88.25

List price $177.99

KMM-X705 main

Kenwood eXcelon KMM-X705

Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)

6
-20.40%

$199.00

List price $250.00

KDC-X305 main

Kenwood eXcelon KDC-X305

Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)

23
-17.08%

$199.00

List price $240.00

CAR1013 main

Jensen CAR1013

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto

5
KDC-BT782HD main

Kenwood KDC-BT782HD

Single DIN CD Receiver with Bluetooth, Built-in Alexa, and HD Radio Tuner (SiriusXM Ready)

5
-18.89%

$219.00

List price $270.00

DMH-WT8000NEX main

Pioneer DMH-WT8000NEX

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, Alexa and Dolby Atmos Feature (SiriusXM and iDataLink Maestro Ready)

-18.75%

$1,299.99

List price $1600.00

Description


Alpine brand icon

Authorized dealer

The Era of High-Resolution Audio

We are enthusiastic supporters of Alpine's commitment to bringing high-resolution audio to a wider audience, particularly within the automotive realm. Leveraging the cutting-edge technology developed for their esteemed F#1 Status Series, Alpine presents the Next Generation S-Series car speakers, allowing every driver to experience the captivating intricacies of their favorite high-resolution audio files at an irresistible price point. While we recommend utilizing aftermarket power to fully unleash the potential of these speakers, their remarkable performance is evident even when powered by factory systems, thanks to their exceptional frequency response that ensures a meticulous and authentic sound reproduction.

Revolutionary Design Elements

Alpine has ingeniously incorporated highly effective materials and exclusive design components to optimize the capabilities of these speakers. The woofer cone, expertly engineered using a blend of polypropylene, glass fiber, and mica materials, delivers the essential balance of high output and low distortion required for impeccable high-resolution performance. Additionally, the woofer features the High Amplitude Multi-Roll (HAMR) surround, allowing for maximum cone excursion and elevating the bass reproduction to its finest. Complementing the woofer, a 3/4" silk dome tweeter unveils the intricate nuances of high-frequency sounds that were previously absent with factory-installed speakers.

Alpine S2-S40

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers
Quantity: 1

Product Details:

  • 4" S Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 280 watts per pair / 140 watts each
    • RMS: 90 watts per pair / 45 watts each
  • High-resolution (Hi-Res) audio certified (up to 40000 Hz)
  • Polypropylene, Glass Fiber and Mica cone material
  • High-Amplitude Multi-Roll (HAMR) speaker surround
  • 3/4" Cloth Soft Dome tweeters
  • Ferrite magnet motor structure
  • Lightweight design with high output and low distortion
  • Top-mount Depth: 0.69"
  • Cutout Dimensions: 2"
  • Impedance: 4 ohm
  • Frequency Response: 97 - 40000 Hz
  • Sensitivity: 86 dB
  • Authorized Internet Dealer
  • MFR #: S2-S40
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

NVX FRING4

Universal 4" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)
Quantity: 1

Product Details:

  • 2-Piece 4" Self-Adhesive Foam Speaker Baffle Ring Kit
  • Contains 2 waterproof automotive-grade high-density foam strips
  • Strips backed by adhesive to acoustically seal speakers
  • Prevents front and rear wave cancellation
  • Reduces panels vibrations
  • Improves midbass response
  • Easy peel and stick installation
  • Designed for use with 4" speakers
  • Foam Thickness: 1"
  • Base Foam Thickness: 1"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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

NVX SDRLR2

Universal Professional Heavy Duty Roller for Sound Deadening Mat
Quantity: 1

Product Details:

  • Works flawlessly with NVX sound deadening mats and other major insulation brands
  • Professional and heavy duty roller tool (used at car stereo shops worldwide)
  • Unique squared rollers provides more pressure for better installation
  • Allows for even pressure of application, reduce air bubbles and achieves the good adhesion
  • 2" solid, soft rubber roller contours perfectly without scratching surfaces
  • Features a thick sturdy plastic construction for comfortable handling
  • Product dimensions:
    • Roller Size: 1.89" H x 1.38" D
    • Handle Size: 5.24" L x1.06" D
    • Total Length: 7.28" L
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Belva BTK105

Five Piece Installer's Panel Removal Installation Tool Kit for Stereo, Speakers and Car Audio Installs
Quantity: 1

Stop wrapping screwdrivers in electrical tape and hoping for the best. If you want to make your next installation smooth, and keep your interior immaculate, pick up a set of these Belva BTK105 Panel Removal Tools.

This set of nylon plastic tools make your job easier when it comes to pulling off those interior pieces, but it also keeps you from marring your finish. When you're done with the job, no one will know you ever pulled anything off in the first place. Make your next audio improvement a cinch with the Belva BTK105 Panel Removal Tools.

General Features:

  • Five Piece Installer's Removal Tool Kit
  • Durable Nylon Plastic Pry & Chisel Tool Set
  • Helps with car stereo installation
  • Use for dash & trim removal
  • Perfect for door panel removal
  • Use to remove vehicles emblems
  • Use to remove rubber grommets
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty



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

(46)

$974.94

List price $1458.74

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

(339)

$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

(156)

$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

(46)

$212.99

List price $218.73

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

(47)

$162.99

List price $168.73

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

(46)

$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

(46)

$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

(333)

$363.06

List price $426.71

PNW69CS2_ACC_KIT small

AudioControl PNW-69CS2 with Installation Accessories

• 125 watts Peak Each, 75 watts RMS Each
• 3/4" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.78 dB

(263)

$395.21

List price $461.71

S2S80C_SDSK2 small

Alpine S2-S80C with Sound Damping

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

(46)

$254.94

List price $308.74

Specifications & Details


Speaker Specifications
Series
S Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
4"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
3/4"
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Peak Power Handling
140 watts
RMS Power Handling
45 watts
Total PEAK Per Pair/Set
280 watts
Total RMS Per Pair/Set
90 watts
Sensitivity
86 dB
Frequency Response
90 - 40000 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
1"
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
1-3/4"
Cutout Dimensions
3-11/16"
CTA-2031 Compliant
No
General specifications
Marine Certified
No
Hi-Res Certified
Yes
Color
Black
Illumination
None
Speaker Grilles
No
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Speakers
Speakers (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

S2-S40, FRING4, SDSK2, SDRLR2, BTK106

Weight:

7.99lbs

Internal SKU:

s2s40_acc_kit

Internal Product ID:

200883

Customer Ratings & Reviews


Alpine S2-S40 with Installation Accessories thumbnail image

5 star
90%
4 star
7%
3 star
2%
2 star
1%
1 star
0%



Durability
4.8
Value
4.9
Features
4.9
Design
4.9
Usability
4.9

Customer Photos & Videos


Customer Reviews

Sort by:

Loading...

Five Piece Installer Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

The following review is for BTK105, which is a part of the bundle you are viewing.

Good for the price, could be better, does what it’s supposed to

By Anonymous on May 29, 2018

68 found this helpful


Bulky

The following review is for BTK105, which is a part of the bundle you are viewing.

Bulky but overall decent product and not great in tight spaces

By OVO on October 10, 2016 Checkmark Icon Verified purchase

64 found this helpful


Nifty

The following review is for BTK105, which is a part of the bundle you are viewing.

Nice to have these to use instead of a screwdriver! So I don't mark up my doors, dash, or paint. A lot sturdier than they look as well.

By eric on May 29, 2020 Checkmark Icon Verified purchase

63 found this helpful


Great tools

The following review is for BTK105, which is a part of the bundle you are viewing.

These tools made my project really easy. They are great value and quality.

By Juan on November 15, 2017

63 found this helpful


Works great.

The following review is for BTK105, which is a part of the bundle you are viewing.

Used these on the wife's van (multiple panels) and my 68 fastback. The tools work like a charm. No scratches or issues on my panels and no broken tools is a victory all the way around.

By Jose on March 14, 2016

63 found this helpful


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


Average

The following review is for BTK105, which is a part of the bundle you are viewing.

Two of the tools broke on first use. The tips of some tools are too thin.

By Christopher on February 4, 2016

59 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


Five Piece Installer Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

The following review is for BTK105, which is a part of the bundle you are viewing.

Great little tool kit worked great for what I needed.

By phillip on December 28, 2019 Checkmark Icon Verified purchase

58 found this helpful




05S10L52 small

Kicker 05S10L52

Dual 2 Ohms 10" L5 Solo-Baric S10L5 Kicker S10L52

(7)

$114.99

List price $299.99

CS653_ACC_KIT small

Crunch CS653 with Speaker Installation Kit

300W 6.5" 3-Way CS Series Coaxial Speakers + 6.5" Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

(273)

$73.52

List price $120.70

VMX-12.4 small

Cerwin-Vega VMX-12.4

V-Max 12.4 Dual 4 ohms 12" Subwoofer V-Max 12

(4)

$109.99

List price $199.99

P1-600.4 small

Crunch P1 600.4

600W Max, 4-Channel Class A/B Power One Series Car Amplifier

(1)

$69.95

List price $179.99

TRQ4.2400 small

Planet Audio TRQ4.2400

2400W 4-Channel Torque Series Class AB Amplifier

(1)

$109.99

List price $195.00

KWZ800AW_MRR_S8GM4_B small

JVC KW-Z800AW Direct Fit Digital Receiver Package

for select 2019-2022 Canyon Includes Receiver, Interface Module, Mount Brackets, Harness, iDataLink Maestro ACC-HU-KEN1, Bypass Harness (Bose Only / Canyon and Colorado Only) Plug and Play Upgrade Kit

(37)

$1433.97

List price $1778.97

AX-SUB5RVC-6V small

Axxess AX-SUB5RVC-6V

Backup Camera Retention Harness for Select 2015-Up Subaru Vehicles

(1)

$19.98

List price $29.98

CV502-4CH-002 small

SVAT Electronics CV502-4CH-002

Smart Phone Compatible H.264 DVR Security System

(2)

$349.99

List price $674.99

IDJ3 small

Numark iDJ3

Digital DJ Setup compatible with a Computer or an iPod

(1)

$279.99

List price $399.99

Related Searches


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

1984 Ford Thunderbird

2001 Kia Sephia

2011 Ram Dakota

1985 Buick Skyhawk

2005 Mercury Sable

2008 Ford Ranger

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.