See all parts that fit your 2021 Mustang
360W Peak (120W RMS) 6x8" Reference Series 2-way 4-ohm Coaxial Speakers + NVX SDSK2 Sound Damping
Product highlights
• 180 watts Peak Each, 60 watts RMS Each
• 1" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB
Install New Front Kick Panel Speakers in select 2009-2024 vehicles from Ford, Mazda, Lincoln
$11.99
List price $14.99
6" to 6.75" Kick Panel Speaker Adapter Bracket for select 2009-2024 vehicles from Ford, Lincoln, Alfa Romeo
$22.99
List price $31.99
iDataLink Maestro HRN-AR-FO3 Wiring Harness
Install New Amplifier and Connect Maestro AR Module in select 2015-2025 Mustang
$34.99
List price $43.99
Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
$21.99
List price $34.99
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
Rockford Fosgate Punch P1 P1650
220W Peak (110W RMS) 6.5" Punch P1 Series 2 Way Coaxial 4-ohm Speakers
$109.99
180W Peak (60W RMS) 3.5” CS Series 2 Way Coaxial 4-ohm Speakers
$51.96
List price $74.99
Infinity REF687F (INFSPKRF687FUS)
360W Peak (120W RMS) 6x8" Reference Series 2-Way Coaxial 3-ohm Speakers
Quantity: 1
Priced Per Pair
NVX SDBSK2 Premium Stealth Black
91 mil 1.38 sq ft Car Speaker Sound Deadening Kit (Two 10" x 10" Sheets)
Quantity: 1
JL Audio Stealthbox® SB-F-MUSCPE/12TW3
Custom fit subwoofer enclosure for select 2015-2025 Mustang and Mustang GTD
$1,349.99
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers
$111.96
List price $159.99
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
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Manufacturer:
Model Number:
REF687F_SDSK2
Weight:
5.40lbs
Internal SKU:
ref687f_sdsk2
Internal Product ID:
203535
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Great deal
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.
62 found this helpful
Don't go without it
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.
Verified purchase
60 found this helpful
Very Thick Dynamat
This product is very thick compared to cheap versions. Priced excellent. If you want to reduce any vibration or road sound, choose this!
Verified purchase
59 found this helpful
Very pleased
I am glad I went with this brand. Easy application and works great in keeping my Corolla quiet and audio clean.
59 found this helpful
NVX SDBSK2 Premium Stealth Black
Thick and heavy. I was suprised with the actual quality. For the price they’re great quality
61 found this helpful
Good product
Sticky and did hook well to the cars body . Got it for free with my speakers purchase. Sonic electronix for life
58 found this helpful
NVX SDBSK2 Premium Stealth Black
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.
Verified purchase
55 found this helpful
NVX SDBSK2 Premium Stealth Black
Easy to use and reduced vibration, allowing clear sound coming from my door speakers.
54 found this helpful
Great value
I installed these on each rear door of my 2005 Silverado. Could really hear a difference in sound quality.
55 found this helpful
NVX SDBSK2 Premium Stealth Black
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.
Verified purchase
50 found this helpful
1000W Peak (500W RMS) 12" Prime R2 Series Dual 4-ohm Subwoofer (Pair)
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Infinity Kappa One 6 (KAPPAONE6AM)
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Scosche FDA18B Antenna Adapter
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
