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  3. Car Speakers
  4. 5.25" Speakers

5.25" Speakers for your 2006 325xi 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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JL Audio C1-525x (Open Box, Great)

150W Peak (100W RMS) 5.25" C1 Series 2-way 4-ohm Coaxial Car Speakers

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JL Audio C1-525x (Open Box, Great)

150W Peak (100W RMS) 5.25" C1 Series 2-way 4-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended aluminum Edge-driven Dome tweeters
• Injection-molded, Mineral-filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Free or discounted install kits when available.

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6
List price $129.99
-15% $110.49 /pair

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Rockford Fosgate Power T152 (Open Box, Great)

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

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Rockford Fosgate Power T152 (Open Box, Great)

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome offset cantilever coaxial mounted tweeters
• Polypropylene-Carbon Fiber Hybrid cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

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Install kits available for most vehicles

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22
List price $219.99
-15% $186.99 /pair

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Limited time!

NVX NSP525

240W Peak (160W RMS) 5.25" N-Series 2 Way Coaxial Car Speakers

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NVX NSP525

240W Peak (160W RMS) 5.25" N-Series 2 Way Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 1.96"

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27
List price $65.99
-17% $54.99 /pair

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Used from: $49.99
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JBL Stadium 52F

360W Peak (120W RMS) 5.25" Stadium Series 2-way Coaxial 3-ohm Speakers

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JBL Stadium 52F

360W Peak (120W RMS) 5.25" Stadium Series 2-way Coaxial 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Aluminum Edge Driven Dome tweeters, with an allowed 270° rotation
• Glass Fiber cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

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List price $219.95
-14% $189.95 /pair
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• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Aluminum Edge Driven Dome tweeters, with an allowed 270° rotation
• Glass Fiber cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

Limited time!

Rockford Fosgate Prime R1525X2

160W Peak (80W RMS) 5.25" Prime Series 2 Way Coaxial 4-ohm Speakers

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Rockford Fosgate Prime R1525X2

160W Peak (80W RMS) 5.25" Prime Series 2 Way Coaxial 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Flush-mounted Dome tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
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Free or discounted install kits when available.

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17
$79.99 /pair
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• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Flush-mounted Dome tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Rockford Fosgate Prime R1525X2 (Open Box, Great)

160W Peak (80W RMS) 5.25" PRIME Series 2-way 4-ohm Coaxial Car Speakers

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Rockford Fosgate Prime R1525X2 (Open Box, Great)

160W Peak (80W RMS) 5.25" PRIME Series 2-way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Flush-mounted Dome tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
17
List price $79.99
-15% $67.99 /pair
Notify Me

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Flush-mounted Dome tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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