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  5. Hertz All Car Speakers

All Hertz Car Speakers for your 2007 525i close

Hertz All Car Speakers deliver consistent, superior sound across all models.

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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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Hertz DCX 100.3

120W Peak (60W RMS) 4" Dieci Series 2-Way Coaxial 4-ohm Car Speakers

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Hertz DCX 100.3

120W Peak (60W RMS) 4" Dieci Series 2-Way Coaxial 4-ohm Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 5/8" PEI (Polyetherimide) Dome tweeters
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

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2
List price $150.00
-13% $129.99 /pair

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Hertz SV 200.1

1000W Peak (400W RMS) 8" SPL Show Series 4-ohm Midrange Car Speakers

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Hertz SV 200.1

1000W Peak (400W RMS) 8" SPL Show Series 4-ohm Midrange Car Speakers

• 500 watts Peak Each, 200 watts RMS Each
• Ultra-Light Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

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Install kits available for most vehicles

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List price $405.00
-14% $349.99 /pair

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Hertz CX 100

240W Peak (80W RMS) 4" Cento Series 2-Way Coaxial 4-ohm Car Speakers

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Hertz CX 100

240W Peak (80W RMS) 4" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 120 watts Peak Each, 40 watts RMS Each
• 0.9" Soft Tetolon Dome Tweeters
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

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List price $260.00
$249.99 /pair

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Hertz SX 690 H NEO

520W Peak (260W RMS) 6x9" SPL Show Series 3-Way Coaxial 4-ohm Car and Motorcycle Speakers

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Hertz SX 690 H NEO

520W Peak (260W RMS) 6x9" SPL Show Series 3-Way Coaxial 4-ohm Car and Motorcycle Speakers

• 260 watts Peak Each, 130 watts RMS Each
• 1.4" Tetolon Dome tweeter
• 1" Tetolon Dome super tweeter
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

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Fits multiple locations in your 525i
  • Front Door
  • Rear Deck Corner
List price $650.00
-15% $549.99 /pair

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Hertz SV 200L

1000W Peak (500W RMS) 8" SPL Show Series 4-ohm Midbass Component Woofers

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Hertz SV 200L

1000W Peak (500W RMS) 8" SPL Show Series 4-ohm Midbass Component Woofers

• 500 watts Peak Each, 250 watts RMS Each
• Pulp Cotton Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94.5 dB

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Install kits available for most vehicles

found car based on your search
Fits your 525i
1
List price $405.00
-14% $349.99 /pair

In stock

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Hertz SV 200 NEO (SV200 NEO)

1000W Peak (400W RMS) 8" SPL Show Series 4-ohms Midrange Car and Motorcycle Speakers

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Hertz SV 200 NEO (SV200 NEO)

1000W Peak (400W RMS) 8" SPL Show Series 4-ohms Midrange Car and Motorcycle Speakers

• 500 watts Peak Each, 200 watts RMS Each
• Terminals and mounting holes compatible for Harley-Davidson motorbikes
• Water-repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB

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VIP Product Get $55.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits your 525i
List price $650.00
-15% $549.99 /pair

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Only 1 Left!

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Hertz SX 200 NEO

520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms Coaxial Car Speakers

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Hertz SX 200 NEO

520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms Coaxial Car Speakers

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 dB

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VIP Product Get $60.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits your 525i
1
List price $705.00
-15% $599.99 /pair

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Ships in 10-14 days

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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