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  3. Speakers with Sound Deadening

Speakers with Sound Deadening for your 2003 M3 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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Diamond Audio MP694 with Sound Damping

600W Peak (300W RMS) 6X9" Motorsport Series Pro Full-Range Compression Integrated Horn Speaker - Pair + NVX SDSK2 Sound Damping

MP694_SDSK2 big
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Diamond Audio MP694 with Sound Damping

600W Peak (300W RMS) 6X9" Motorsport Series Pro Full-Range Compression Integrated Horn Speaker - Pair + NVX SDSK2 Sound Damping

• 300 watts Max Each, 150 watts RMS Each
• 1" Horn Tweeters
• Impedance: N/A
• Sensitivity: 101 dB
• Mounting Depth: 3.99"

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48
$564.98

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• 300 watts Max Each, 150 watts RMS Each
• 1" Horn Tweeters
• Impedance: N/A
• Sensitivity: 101 dB
• Mounting Depth: 3.99"

Hertz SV 165 NEO with Sound Damping

800W Peak (300W RMS) 6.5" SPL Show Series 4-ohms Midrange Car Speakers + NVX SDSK2 Sound Damping

SV165NEO_SDSK2 big
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Hertz SV 165 NEO with Sound Damping

800W Peak (300W RMS) 6.5" SPL Show Series 4-ohms Midrange Car Speakers + NVX SDSK2 Sound Damping

• 400 watts Peak Each, 150 watts RMS Each
• 1-1/2" Dome Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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49
List price $548.74
-15% $464.98

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• 400 watts Peak Each, 150 watts RMS Each
• 1-1/2" Dome Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

NVX - Worth the Envy - Direct to Consumer Car Audio

Hertz CPK 690 with Sound Damping

720W Peak (240W RMS) 6x9" Cento Series 2-Way Component Car Speakers + NVX SDSK2 Sound Damping

CPK690_SDSK2 big
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Hertz CPK 690 with Sound Damping

720W Peak (240W RMS) 6x9" Cento Series 2-Way Component Car Speakers + NVX SDSK2 Sound Damping

• 360 watts Peak Each, 120 watts RMS Each
• 1-1/4 Tetolon Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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49
List price $618.74
-17% $514.98

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• 360 watts Peak Each, 120 watts RMS Each
• 1-1/4 Tetolon Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Hertz MPX 690.3 with Sound Damping

520W Peak (260W RMS) 6x9" Mille PRO Series 3-way 4-ohm Coaxial Speakers + NVX SDSK2 Sound Damping

MPX6903_SDSK2 big
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Hertz MPX 690.3 with Sound Damping

520W Peak (260W RMS) 6x9" Mille PRO Series 3-way 4-ohm Coaxial Speakers + NVX SDSK2 Sound Damping

• 260 watts Peak Each, 130 watts RMS Each
• 1" Tetolon Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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48
List price $748.74
-15% $634.98

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• 260 watts Peak Each, 130 watts RMS Each
• 1" Tetolon Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Hertz MPX 690.3 with Installation Accessories

520W Peak (260W RMS) 6x9" Mille PRO Series 3-way 4-ohm Coaxial Speakers + 6x9" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

MPX6903_ACC_KIT big
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Hertz MPX 690.3 with Installation Accessories

520W Peak (260W RMS) 6x9" Mille PRO Series 3-way 4-ohm Coaxial Speakers + 6x9" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 260 watts Peak Each, 130 watts RMS Each
• 1" Tetolon Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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269
List price $822.71
-19% $666.20

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• 260 watts Peak Each, 130 watts RMS Each
• 1" Tetolon Dome Tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Hifonics ZS653 with Sound Damping

600W Peak (100W RMS) Zeus 6.5" Series 3-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

ZS653_SDSK2 big
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Hifonics ZS653 with Sound Damping

600W Peak (100W RMS) Zeus 6.5" Series 3-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 300 Watts Max Each, 50 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

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62
List price $53.73
-7% $49.98

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• 300 Watts Max Each, 50 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

Hifonics ZS65CXS with Installation Accessories

600W Peak (100W RMS) 6.5" Zeus Series 2-Way Coaxial Car Speakers + 6.5" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

ZS65CXS_ACC_KIT big
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Hifonics ZS65CXS with Installation Accessories

600W Peak (100W RMS) 6.5" Zeus Series 2-Way Coaxial Car Speakers + 6.5" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 300 watts Peak Each, 50 watts RMS Each
• 1" Neo-Mylar Dome Tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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283
List price $107.70
-31% $74.25

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• 300 watts Peak Each, 50 watts RMS Each
• 1" Neo-Mylar Dome Tweeters
• Alpha-Cellulose cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

JVC CS-DF620 with Sound Damping

600W Peak (50W RMS) 6.5" DF Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

CSDF620_SDBSK2 big
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JVC CS-DF620 with Sound Damping

600W Peak (50W RMS) 6.5" DF Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 300 watts Peak Each, 25 watts RMS Each
• 1" Balanced Dome zero-protrusion tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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52
List price $82.74
-35% $53.98

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• 300 watts Peak Each, 25 watts RMS Each
• 1" Balanced Dome zero-protrusion tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

Kenwood KFC-1066S with Sound Damping

440W Peak (42W RMS) 4" Sport Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

KFC1066S_SDBSK2 big
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Kenwood KFC-1066S with Sound Damping

440W Peak (42W RMS) 4" Sport Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 220 watts Peak Each, 21 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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52
List price $98.74
-40% $59.49

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• 220 watts Peak Each, 21 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

MB Quart FKB 169 (FKB169) with Sound Damping

300W Peak (150W RMS) 6x9" Formula Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

FKB169_SDBSK2 big
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MB Quart FKB 169 (FKB169) with Sound Damping

300W Peak (150W RMS) 6x9" Formula Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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56
List price $108.73
-39% $65.98

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• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

DS18 PRO-GM8.4 (Sold Individually) with Sound Damping

580W Peak (190W RMS) 8" PRO-GM Series 4-Ohm Midrange Loudspeaker + NVX SDBSK2 Premium Sound Damping

PROGM84_SDBSK2 big
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DS18 PRO-GM8.4 (Sold Individually) with Sound Damping

580W Peak (190W RMS) 8" PRO-GM Series 4-Ohm Midrange Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 580 watts Peak Each, 190 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 94 dB

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48
List price $53.69
-15% $45.44

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• 580 watts Peak Each, 190 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 94 dB

Limited time!

NVX NSP4 with Sound Damping

300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

NSP4_SDBSK2 big
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NVX NSP4 with Sound Damping

300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

Purchase $400 or More of NVX and Save 15%!
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73
List price $78.73
-30% $55.48

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• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

Limited time!

NVX VSP4 with Sound Damping

450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

VSP4_SDBSK2 big
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NVX VSP4 with Sound Damping

450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

Purchase $400 or More of NVX and Save 15%!
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65
List price $90.73
-22% $70.48

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• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

Rockford Fosgate Power T2652-S with Sound Damping

400W Peak (200W RMS) 6.5" Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

T2652S_SDBSK2 big
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Rockford Fosgate Power T2652-S with Sound Damping

400W Peak (200W RMS) 6.5" Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome tweeters with integral suspension
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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90
List price $468.73
$464.98

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• 200 watts Peak Each, 100 watts RMS Each
• 1" Aluminum Dome tweeters with integral suspension
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Rockford Fosgate TMS69 with Sound Damping

200W Peak (100W RMS) 6”x9” Full-Range Speakers for Harley-Davidson Motorcycle Bag Lids + NVX SDBSK2 Premium Sound Damping

TMS69_SDBSK2 big
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Rockford Fosgate TMS69 with Sound Damping

200W Peak (100W RMS) 6”x9” Full-Range Speakers for Harley-Davidson Motorcycle Bag Lids + NVX SDBSK2 Premium Sound Damping

• 200 watts Peak Each, 100 watts RMS Each
• 1" Film Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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49
List price $458.73
$454.98

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• 200 watts Peak Each, 100 watts RMS Each
• 1" Film Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Hertz CX 100 with Sound Damping

240W Peak (80W RMS) 4" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

CX100_SDSK2 big
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Hertz CX 100 with Sound Damping

240W Peak (80W RMS) 4" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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52
List price $278.74
-5% $264.98

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• 120 watts Peak Each, 40 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-Pressed Paper + Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

DS18 EXL-SQ6.5 with Speaker Installation Kit

Includes: 6x9” Mid-Range Loudspeaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

PRO-ZT69, FRING69, SDRLR1, SDSK2, BTK106 big
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DS18 EXL-SQ6.5 with Speaker Installation Kit

Includes: 6x9” Mid-Range Loudspeaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 275W RMS 6X9” PRO-ZT Series 2-Way Water Resistant Mid-Range Speaker with Built-in Bullet Tweeter
• 2 Piece Foam Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Sound Dampening Rubber Roller
• Installer Panel Removal Tool Kit

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156
List price $300.61
-11% $267.04

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• 275W RMS 6X9” PRO-ZT Series 2-Way Water Resistant Mid-Range Speaker with Built-in Bullet Tweeter
• 2 Piece Foam Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Sound Dampening Rubber Roller
• Installer Panel Removal Tool Kit

Infinity REF697F with Installation Accessories

600W Peak (200W RMS) 6x9" Reference Series 2-way 4-ohm Speakers + 6x9" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

REF697F_ACC_KIT big
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Infinity REF697F with Installation Accessories

600W Peak (200W RMS) 6x9" Reference Series 2-way 4-ohm Speakers + 6x9" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 300 watts Peak Each, 100 watts RMS Each
• 1" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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275
List price $262.66
-29% $186.16

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• 300 watts Peak Each, 100 watts RMS Each
• 1" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Cerwin-Vega PH84 with Speaker Installation Kit

360W RMS 8” Full-Range Speakera + 8” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

PH84, XBAF8, SDSK2, SDRLR1, BTK106 big
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Cerwin-Vega PH84 with Speaker Installation Kit

360W RMS 8” Full-Range Speakera + 8” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

• 360 watts Peak Each, 180 watts RMS Each
• Horn Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 103 dB

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144
List price $346.70
-23% $265.99 /pair

In stock

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• 360 watts Peak Each, 180 watts RMS Each
• Horn Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 103 dB

Earthquake Sound VTEK-693 with Installation Accessories

700W RMS 6" x 9" 3-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

VTEK-693, XBAF69, SDSK, SDRLR1, BTK106 big
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Earthquake Sound VTEK-693 with Installation Accessories

700W RMS 6" x 9" 3-Way Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 6" x 9" 3-way VTEK Series Coaxial Speakers
• Glass Fiber Cone
• 3/4" Silk Dome Tweeter
• 30mm KSV Voice Coil
• Speaker Grilles Included
• 4 Ohm Impedance
• PistonMax Technology

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191
List price $321.71
-21% $255.67

In stock.

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• 6" x 9" 3-way VTEK Series Coaxial Speakers
• Glass Fiber Cone
• 3/4" Silk Dome Tweeter
• 30mm KSV Voice Coil
• Speaker Grilles Included
• 4 Ohm Impedance
• PistonMax Technology

NVX - Worth the Envy - Direct to Consumer Car Audio
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    Shop your 2003 M3
    Why Use a Vehicle Fit Guide?
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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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