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  1. Home
  2. Car Audio & Electronics
  3. Car Speakers
  4. Car Speaker Packages & Bundles

Car Speaker Packages & Bundles for your 2008 328xi close

Get a car speaker package that includes multiple sets of speakers and/or speakers with harnesses, adapters or even an amplifier included.

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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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Infinity REF407F (2-Pairs, 4-Total)

420W Peak (140W RMS) 4" Reference Series 2-way 3-ohm Coaxial Speakers (2-Pairs)

REF407F_2 big
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Infinity REF407F (2-Pairs, 4-Total)

420W Peak (140W RMS) 4" Reference Series 2-way 3-ohm Coaxial Speakers (2-Pairs)

• 105 watts Peak Each, 35 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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List price $279.90
-21% $219.90

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• 105 watts Peak Each, 35 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

NVX NSP4 (2-Pairs, 4-Total)

600W Peak (200W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters (2-Pairs)

NSP4_2 big
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NVX NSP4 (2-Pairs, 4-Total)

600W Peak (200W RMS) 4" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters (2-Pairs)

• 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"

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25
List price $119.98
-29% $85.48

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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"

Diamond Audio MSPRO8 (2-Pairs, 4-Total)

2000W Peak (1000W RMS) 8” MSPRO Series 2-way Coaxial Speakers (2-Pairs)

MSPRO8_2 big
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Diamond Audio MSPRO8 (2-Pairs, 4-Total)

2000W Peak (1000W RMS) 8” MSPRO Series 2-way Coaxial Speakers (2-Pairs)

• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

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• 500 watts Peak Each, 250 watts RMS Each
• Tweeters
• Thermal molded waterproof paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

DS18 PRO-X8.4BMRGB with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

(2) PRO-X8.4BMRGB, XBAF8, SDSK2, BTK106 big
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DS18 PRO-X8.4BMRGB with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 550 watts Max
• 275 watts RMS
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.18"

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List price $238.61
-15% $201.90

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• 550 watts Max
• 275 watts RMS
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.18"

DS18 EN-JS6/WH with Speaker Installation Kit

Includes: 8” Mid/High Range Loudspeaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

PRO-X8.4BMPK, XBAF8, SDRLR1, SDSK2, BTK106 big
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DS18 EN-JS6/WH with Speaker Installation Kit

Includes: 8” Mid/High Range Loudspeaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 790W RMS 8” PRO-X Series High Wattage Mid and High Range Package w/ 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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List price $250.66
-15% $213.76

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• 790W RMS 8” PRO-X Series High Wattage Mid and High Range Package w/ 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 Kappa 503CF (2-Pairs, 4-Total)

960W Peak (320W RMS) 5.25” Kappa Series 2-way Component Speakers System (2-Pairs)

KAPPA503CF_2 big
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Infinity Kappa 503CF (2-Pairs, 4-Total)

960W Peak (320W RMS) 5.25” Kappa Series 2-way Component Speakers System (2-Pairs)

• 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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List price $899.90
-38% $559.98

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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

Memphis SRXP82V2 (Pair, 2-Total)

700W Peak (350W RMS) 8" Street Reference Pro Series Mid-Range Speaker with RGB LED Lighting (Pair)

SRXP82V2_2 big
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Memphis SRXP82V2 (Pair, 2-Total)

700W Peak (350W RMS) 8" Street Reference Pro Series Mid-Range Speaker with RGB LED Lighting (Pair)

• 350 watts Peak, 175 watts RMS
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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• 350 watts Peak, 175 watts RMS
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

4) Rockford Fosgate R1T-S 1" 160 Watts Component Car Audio Tweeters System Kit

160W Peak (80W RMS) 1" Mylar Balanced Dome Car Tweeters Package

R1T-S 2 Pack big
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4) Rockford Fosgate R1T-S 1" 160 Watts Component Car Audio Tweeters System Kit

160W Peak (80W RMS) 1" Mylar Balanced Dome Car Tweeters Package

1" Prime Series Tweeter Kit • RMS: 80 Watts Per Set / 40 Watts Each Side • Peak: 160 Watts Per Set / 80 Watts Each Side • Lightweight Mylar Dome Tweeter • Frequency Response: 2,500 - 22,000 Hz • Grilles/Trim Rings Included

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$89.98

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1" Prime Series Tweeter Kit • RMS: 80 Watts Per Set / 40 Watts Each Side • Peak: 160 Watts Per Set / 80 Watts Each Side • Lightweight Mylar Dome Tweeter • Frequency Response: 2,500 - 22,000 Hz • Grilles/Trim Rings Included

DS18 PRO-X8M with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Rubber Roller

(2) PRO-X8M, XBAF8, SDSK2, SDRLR1 big
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DS18 PRO-X8M with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Rubber Roller

• 550 watts Max
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.2 dB
• Mounting Depth: 3.11"
• Sold individually

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List price $213.61
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• 550 watts Max
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.2 dB
• Mounting Depth: 3.11"
• Sold individually

DS18 PRO-HY8.4B with Speaker Installation Kit

Includes: (2) 8” Shallow Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

(2) PRO-SM8.2, XBAF8, SDSK2, BTK106 big
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DS18 PRO-HY8.4B with Speaker Installation Kit

Includes: (2) 8” Shallow Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 250W RMS 8” PRO-SM Series Shallow Water Resistant Mid-Range Speaker
• 2 Piece Silicone Rubber Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

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Install kits available for most vehicles

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142
List price $238.61
-15% $201.90

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• 250W RMS 8” PRO-SM Series Shallow Water Resistant Mid-Range Speaker
• 2 Piece Silicone Rubber Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

DS18 PRO-FR6NEO with Speaker Installation Kit

Includes: 8” Mid-Range Loudspeaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

PRO-HY8.4B, XBAF8, SDRLR1, SDSK2, BTK106 big
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DS18 PRO-FR6NEO with Speaker Installation Kit

Includes: 8” Mid-Range Loudspeaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 250W RMS 8” PRO-HY Series Hybrid Mid-Range Speaker with Compression Horn Tweeter
• 2 Piece Silicone Rubber Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

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Install kits available for most vehicles

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143
List price $346.61
-11% $309.90

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• 250W RMS 8” PRO-HY Series Hybrid Mid-Range Speaker with Compression Horn Tweeter
• 2 Piece Silicone Rubber Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Installer Panel Removal Tool Kit
• Rubber Roller

Cerwin Vega H752 (2-Pairs, 4-Total)

1000W Peak (160W RMS) 5.25” HED Series Coaxial Car Speakers (2-Pairs)

H752_2 big
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Cerwin Vega H752 (2-Pairs, 4-Total)

1000W Peak (160W RMS) 5.25” HED Series Coaxial Car Speakers (2-Pairs)

• 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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List price $167.98
-17% $139.98

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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

NVX VSP525 (2-Pairs, 4-Total)

960W Peak (320W RMS) 5.25" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters (2-Pairs)

VSP525_2 big
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NVX VSP525 (2-Pairs, 4-Total)

960W Peak (320W RMS) 5.25" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters (2-Pairs)

• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.16"

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List price $191.98
-21% $151.98

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• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.16"

DS18 PRO-X8BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Rubber Roller

(2) PRO-X8BM, XBAF8, SDSK2, SDRLR1 big
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DS18 PRO-X8BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Rubber Roller

• 550 watts Max
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.11"

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114
List price $225.61
-16% $188.94

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• 550 watts Max
• 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.11"

Cerwin Vega XED42 (2-Pairs, 4-Total)

1000W Peak (80W RMS) 4" XED Series 2-Way Coaxial Car Speakers(2-Pairs)

XED42_2 big
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Cerwin Vega XED42 (2-Pairs, 4-Total)

1000W Peak (80W RMS) 4" XED Series 2-Way Coaxial Car Speakers(2-Pairs)

• 250 watts Peak Each, 20 watts RMS Each
• 1" Metallic Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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List price $95.98
-17% $79.98

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• 250 watts Peak Each, 20 watts RMS Each
• 1" Metallic Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Cerwin Vega XED52 (2-Pairs, 4-Total)

1100W Peak (120W RMS) 5.25" XED Series 2-Way Coaxial Car Speakers (2-Pairs)

XED52_2 big
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Cerwin Vega XED52 (2-Pairs, 4-Total)

1100W Peak (120W RMS) 5.25" XED Series 2-Way Coaxial Car Speakers (2-Pairs)

• 275 watts Peak Each, 30 watts RMS Each
• 1" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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List price $107.98
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• 275 watts Peak Each, 30 watts RMS Each
• 1" Metallic Balanced Dome Tweeters
• Curvilinear polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Diamond Audio MP525 (2-Pairs, 4-Total)

600W Max (300W RMS) 5.25" PRO Full-Range Coaxial Horn Driver Speakers (2-Pairs)

MP525_2 big
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Diamond Audio MP525 (2-Pairs, 4-Total)

600W Max (300W RMS) 5.25" PRO Full-Range Coaxial Horn Driver Speakers (2-Pairs)

• 150 watts Max Each, 75 watts RMS Each
• 1" Aluminum Horn Tweeters
• Sensitivity: 101 dB
• Mounting Depth: 2.99"

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• 150 watts Max Each, 75 watts RMS Each
• 1" Aluminum Horn Tweeters
• Sensitivity: 101 dB
• Mounting Depth: 2.99"

DS18 G5.25Xi (2-Pairs, 4-Total)

540W Peak (180W RMS) 5.25" GEN-X Series 2-way 4-ohm Coaxial Speakers (2-Pairs)

G525XI_2 big
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DS18 G5.25Xi (2-Pairs, 4-Total)

540W Peak (180W RMS) 5.25" GEN-X Series 2-way 4-ohm Coaxial Speakers (2-Pairs)

• 135 watts Peak Each, 45 watts RMS Each
• 1" Mylar Balanced Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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$98.84

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• 135 watts Peak Each, 45 watts RMS Each
• 1" Mylar Balanced Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

(2) Pairs of Hifonics ZS525CX

400W Max (60W RMS) 5.25" Zeus Series 2-Way Coaxial Car Speakers

ZS525CX,ZS525CX big
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(2) Pairs of Hifonics ZS525CX

400W Max (60W RMS) 5.25" Zeus Series 2-Way Coaxial Car Speakers

• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

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• 200 Watts Max Each, 30 Watts RMS Each
• 1" Mylar Balanced Dome Tweeter
• Alpha-Cellulose Cones
• 4Ohm Impedance
• Sensitivity: 88dB
• Mounting Depth: 2"

(2) DS18 PRO-X8.4BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Rubber Roller

(2) PRO-X8.4M, XBAF8, SDSK2, SDRLR1 big
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(2) DS18 PRO-X8.4BM with Speaker Installation Kit

Includes: (2) 8” Mid-Range Loudspeaker, 2 Piece Silicone Rubber Speaker Ring Kit, Sound Damping Kit, Rubber Roller

• 275W RMS 8” PRO-X Series Mid-Range Speakers
• 2 Piece Silicone Rubber Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Sound Dampening Rubber Roller

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114
List price $213.61
-17% $177.06

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• 275W RMS 8” PRO-X Series Mid-Range Speakers
• 2 Piece Silicone Rubber Speaker Ring Kit
• 1.38 Square Feet of Sound Damping
• Sound Dampening Rubber Roller

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    Shop your 2008 328xi
    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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