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  3. Speakers with Sound Deadening

Speakers with Sound Deadening for your 1983 Quantum close

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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DS18 PRO-X5.4M with Speaker Installation Kit

300W RMS 6x9” 4-Ohm Midrange Car Speakers + 6x9" Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

(2)PRO-ZXI694BM, XBAF69, SDSK2, SDRLR1, BTK106 big
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DS18 PRO-X5.4M with Speaker Installation Kit

300W RMS 6x9” 4-Ohm Midrange Car Speakers + 6x9" Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• 600 watts Peak Each, 300 watts RMS Each
• Aluminum Bullet Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98 dB

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192
List price $292.61
-16% $245.58

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• 600 watts Peak Each, 300 watts RMS Each
• Aluminum Bullet Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98 dB

Diamond Audio DMD65C with Sound Damping

200W Peak (100W RMS) 6.5" DMD Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

DMD65C_SDSK2 big
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Diamond Audio DMD65C with Sound Damping

200W Peak (100W RMS) 6.5" DMD Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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49
List price $218.73
$214.98

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• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

NVX - Worth the Envy - Direct to Consumer Car Audio

Hertz DCX690.3 with Sound Damping

360W Peak (180W RMS) 6x9" Dieci Series 3-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

DCX6903_SDSK2 big
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Hertz DCX690.3 with Sound Damping

360W Peak (180W RMS) 6x9" Dieci Series 3-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 90 Watts Max Each, 45 Watts RMS Each
• Water-repellent pressed paper Cone
• Dome tweeter
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 3-1/8"

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48
List price $248.74
-14% $214.98

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• 90 Watts Max Each, 45 Watts RMS Each
• Water-repellent pressed paper Cone
• Dome tweeter
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 3-1/8"

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MTX Audio THUNDER51 with Sound Damping

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System + NVX SDBSK2 Premium Sound Damping

THUNDER51_SDBSK2 big
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MTX Audio THUNDER51 with Sound Damping

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System + NVX SDBSK2 Premium Sound Damping

• 180 watts Peak Each, 90 watts RMS Each
• 1" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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49
List price $258.69
-17% $214.95

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• 180 watts Peak Each, 90 watts RMS Each
• 1" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Diamond Audio MSPRO65 with Sound Damping

MSPRO Series 6.5" Midrange Motorcycle Speakers 400W RMS, Pair + NVX SDSK2 Sound Damping

MSPRO65_SDSK2 big
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Diamond Audio MSPRO65 with Sound Damping

MSPRO Series 6.5" Midrange Motorcycle Speakers 400W RMS, Pair + NVX SDSK2 Sound Damping

• RMS: 400W / Peak: 800W
• Frequency Response: 110Hz - 10kHz
• Sensitivity: 97dB
• Manufactured to IP65 Marine Grade Compliant Specifications
• Shorting Ring Utilized In Motor Structure For Far-Field Performance

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49
$294.98

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• RMS: 400W / Peak: 800W
• Frequency Response: 110Hz - 10kHz
• Sensitivity: 97dB
• Manufactured to IP65 Marine Grade Compliant Specifications
• Shorting Ring Utilized In Motor Structure For Far-Field Performance

Infinity Kappa 503CF with Sound Damping

480W Peak (160W RMS) 5.25” Kappa Series 2-way Component Speakers System + NVX SDSK2 Sound Damping

KAPPA503CF_SDSK2 big
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Infinity Kappa 503CF with Sound Damping

480W Peak (160W RMS) 5.25” Kappa Series 2-way Component Speakers System + NVX SDSK2 Sound Damping

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge-Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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49
List price $468.69
-37% $294.98

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• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge-Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Alpine S2-S69 with Sound Damping

520W Peak (170W RMS) 6x9" S-Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

S2S69_SDSK2 big
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Alpine S2-S69 with Sound Damping

520W Peak (170W RMS) 6x9" S-Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 260 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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51
List price $218.74
-15% $184.94

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• 260 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Kenwood eXcelon KFC-XP184C with Sound Damping

560W Peak (160W RMS) 6.5" eXcelon Series 2-way 4-ohm Component Car Speakers + NVX SDBSK2 Premium Sound Damping

KFCXP184C_SDBSK2 big
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Kenwood eXcelon KFC-XP184C with Sound Damping

560W Peak (160W RMS) 6.5" eXcelon Series 2-way 4-ohm Component Car Speakers + NVX SDBSK2 Premium Sound Damping

• 280 watts Peak Each, 80 watts RMS Each
• 1" Silk Soft Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.3 dB

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51
List price $308.74
-39% $189.49

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• 280 watts Peak Each, 80 watts RMS Each
• 1" Silk Soft Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.3 dB

Rockford Fosgate Power T1693 with Sound Damping

400W Peak (200W RMS) 6x9" Power Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweete + NVX SDBSK2 Premium Sound Dampingrs

09-T1693_SDBSK2 big
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Rockford Fosgate Power T1693 with Sound Damping

400W Peak (200W RMS) 6x9" Power Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweete + NVX SDBSK2 Premium Sound Dampingrs

• 200 watts Peak Each, 100 watts RMS Each
• Dual 1" Aluminum Dome tweeters
• Polypropylene-Carbon Fiber Hybrid cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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80
List price $318.73
$314.98

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• 200 watts Peak Each, 100 watts RMS Each
• Dual 1" Aluminum Dome tweeters
• Polypropylene-Carbon Fiber Hybrid cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Alpine R2-S65C with Sound Damping

600W Peak (200W RMS) 6.5" R-Series 2-Way Component Speakers with Magnesium Hard-Dome Tweeters + NVX SDSK2 Sound Damping

R2S65C_SDSK2 big
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Alpine R2-S65C with Sound Damping

600W Peak (200W RMS) 6.5" R-Series 2-Way Component Speakers with Magnesium Hard-Dome Tweeters + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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49
List price $498.74
-33% $334.94

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• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

AudioControl PNW-65CS2 with Sound Damping

250W Peak (150W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System + NVX SDSK2 Sound Damping

PNW65CS2_SDSK2 big
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AudioControl PNW-65CS2 with Sound Damping

250W Peak (150W RMS) 6.5″ PNW Series 2-way 3-ohm Component Speaker System + NVX SDSK2 Sound Damping

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

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52
List price $357.74
-7% $333.99

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

Infinity PR9693M with Sound Damping

360W Peak (120W RMS) 6x9” Coaxial Car Speakers + NVX SDSK2 Sound Damping

PR9693M_SDSK2 big
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Infinity PR9693M with Sound Damping

360W Peak (120W RMS) 6x9” Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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49
List price $198.69
-17% $164.95

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• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Pioneer TS-A1601C with Sound Damping

700W Peak (160W RMS) 6.5” A-Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

TSA1601C_SDBSK2 big
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Pioneer TS-A1601C with Sound Damping

700W Peak (160W RMS) 6.5” A-Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 350 watts Peak Each, 80 watts RMS Each
• PEI (Polyetherimide) Dome Tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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50
List price $198.74
-17% $164.99

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• 350 watts Peak Each, 80 watts RMS Each
• PEI (Polyetherimide) Dome Tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Pioneer TS-A6901C with Sound Damping

900W Peak (200W RMS) 6x9" A-Series 2-way 4-ohm Component Car Speakers + NVX SDBSK2 Premium Sound Damping

TSA6901C_SDBSK2 big
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Pioneer TS-A6901C with Sound Damping

900W Peak (200W RMS) 6x9" A-Series 2-way 4-ohm Component Car Speakers + NVX SDBSK2 Premium Sound Damping

• 450 watts Peak Each, 100 watts RMS Each
• 3/4" Polyetherimide Hard Dome tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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48
List price $198.74
-17% $164.99

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• 450 watts Peak Each, 100 watts RMS Each
• 3/4" Polyetherimide Hard Dome tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Pioneer TS-D69F with Sound Damping

660W Peak (220W RMS) 6x9” D Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TSD69F_SDBSK2 big
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Pioneer TS-D69F with Sound Damping

660W Peak (220W RMS) 6x9” D Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 330 watts Peak Each, 110 watts RMS Each
• 1" Polyester Fiber Soft Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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50
List price $258.74
-42% $150.99

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• 330 watts Peak Each, 110 watts RMS Each
• 1" Polyester Fiber Soft Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

AudioControl PNW-69CS2 with Sound Damping

250W Peak (150W RMS) 6x9″ PNW Series 2-way 3-ohm Component Speaker System + NVX SDSK2 Sound Damping

PNW69CS2_SDSK2 big
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AudioControl PNW-69CS2 with Sound Damping

250W Peak (150W RMS) 6x9″ PNW Series 2-way 3-ohm Component Speaker System + NVX SDSK2 Sound Damping

• 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

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49
List price $387.74
-6% $363.99

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• 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

Cerwin-Vega XED650C with Sound Damping

600W Peak (70W RMS) 6.5" XED Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

XED650C_SDSK2 big
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Cerwin-Vega XED650C with Sound Damping

600W Peak (70W RMS) 6.5" XED Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 35 watts RMS Each
• 1/2" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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76
List price $96.73
-17% $79.98

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• 300 watts Peak Each, 35 watts RMS Each
• 1/2" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Cerwin Vega H752 with Sound Damping

500W Peak (80W RMS) 5.25” HED Series Coaxial Car Speakers + NVX SDSK2 Sound Damping

H752_SDSK2 big
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Cerwin Vega H752 with Sound Damping

500W Peak (80W RMS) 5.25” HED Series Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 275 watts Peak Each, 40 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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53
List price $102.73
-17% $84.98

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• 275 watts Peak Each, 40 watts RMS Each
• 1" Polypropylene Balanced Dome Tweeters
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Cerwin Vega H7652 with Sound Damping

640W Max (120W RMS) 6.5" HED Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

H7652_SDSK2 big
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Cerwin Vega H7652 with Sound Damping

640W Max (120W RMS) 6.5" HED Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 320 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Graphite-injected reinforced spun cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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80
List price $102.73
-17% $84.98

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• 320 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Graphite-injected reinforced spun cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Hertz X 165 with Sound Damping

440W Peak (110W RMS) 6.5” Uno Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

X165_SDSK2 big
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Hertz X 165 with Sound Damping

440W Peak (110W RMS) 6.5” Uno Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

• 220 watts Peak Each, 55 watts RMS Each
• 3/4" Neodymium Dome Tweeters
• Water Resistance Paper Cone cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

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49
List price $113.74
-16% $94.98

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• 220 watts Peak Each, 55 watts RMS Each
• 3/4" Neodymium Dome Tweeters
• Water Resistance Paper Cone cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

NVX - Worth the Envy - Direct to Consumer Car Audio
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    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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    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.

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