Hertz 12" Car Subwoofers at Sonic Electronix

Hertz 12" Car Subwoofers

Hertz 12” car subwoofers will provide your vehicle with the bass and lows you desire.
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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 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.
Refers to the diameter of the subwoofer, measured in inches.
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.

Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
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.
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
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".
This is the color of the speaker's or subwoofer's cone.
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
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Hertz DS30.3

12" SVC Dieci Series 4 Ohm 1000W Car Subwoofer

DS30.3 main
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12" SVC Dieci Series 4 Ohm 1000W Car Subwoofer

• 1000 Watts Max
• 250 Watts RMS
• Mica-injected polypropylene Cone
• Butyl rubber surround
• 4 Ohm Impedance
• Top-mount depth: 4-3/4"

Hertz DS30.3

12" SVC Dieci Series 4 Ohm 1000W Car Subwoofer

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$114.99 (13.04% off)
Vip Icon $99.99

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12" SVC Dieci Series 4 Ohm 1000W Car Subwoofer

$99.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

$27.99

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NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

$29.99

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Hertz CS 300 S4

12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

CS 300 S4 main
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12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

• 700 Watts Max
•350 Watts RMS
• Polypropylene Cone
• Rubber Surround
• Single Voice coil
• Top-mount depth: 5-1/8

Hertz CS 300 S4

12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

In stock

Only 2 Left!

$249.99 (8.00% off)
Vip Icon $229.99

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12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

$229.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

$27.99

Add
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz CS 300 S4.
Hertz CS 300 S2

12" SVC Cento Series Single 2 Ohm 700W Shallow Mount Car Subwoofer

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12" SVC Cento Series Single 2 Ohm 700W Shallow Mount Car Subwoofer

• 700 Watts Max
•350 Watts RMS
• Polypropylene Cone
• Rubber Surround
• Single Voice coil
• Top-mount depth: 5-1/8

Hertz CS 300 S2

12" SVC Cento Series Single 2 Ohm 700W Shallow Mount Car Subwoofer

In stock

Only 2 Left!

$249.99 (8.00% off)
Vip Icon $229.99

Item Added to Cart

CS 300 S2 small

12" SVC Cento Series Single 2 Ohm 700W Shallow Mount Car Subwoofer

$229.99

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

$27.99

Add
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz CS 300 S2.
Hertz MP 300 D4.3

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

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12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Water-repellent pressed paper cone material
• Aluminum alloy basket
• 4 Ohm Impedance
• Top-mount depth: 6-1/2"

Hertz MP 300 D4.3

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

In stock

Only 2 Left!

$559.99 (10.71% off)
Vip Icon $499.99

Item Added to Cart

MP 300 D4.3 small

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

$499.99

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

$27.99

Add
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz MP 300 D4.3.
Hertz MP 300 D2.3

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

MP 300 D2.3 main
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12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Pressed-pulp cone with mineral powders cone material
• Aluminum alloy basket
• 2 Ohm Impedance
• Top-mount depth: 6-1/2"

Hertz MP 300 D2.3

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

In stock

Only 2 Left!

$559.99 (10.71% off)
Vip Icon $499.99

Item Added to Cart

MP 300 D2.3 small

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

$499.99

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

$27.99

Add
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz MP 300 D2.3.
Hertz CS 300 S4 + Free 12" Sealed Encloure

12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

CS 300 S4, MDFS12 main
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12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

• 700 Watts Max
•350 Watts RMS
• Polypropylene Cone
• Rubber Surround
• Single Voice coil
• Top-mount depth: 5-1/8

3
Hertz CS 300 S4 + Free 12" Sealed Encloure

12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

In stock

Only 2 Left!

$309.94 (21.28% off)
$243.99

Item Added to Cart

CS 300 S4, MDFS12 small

12" SVC Cento Series Single 4 Ohm 700W Shallow Mount Car Subwoofer

$243.99

Keep Shopping

FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

Add
20 Square Feet of Sound Dampening Material

NVX Sound dampening is thicker than competitors, eliminates rattles and gives you bigger bass!

$59.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz CS 300 S4 + Free 12" Sealed Encloure.
Hertz MP 300 D2.3 Subwoofer + Free $100 Gift Card

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

MP 300 D2.3, 100EGIFT main
Go to item page

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Pressed-pulp cone with mineral powders cone material
• Aluminum alloy basket
• 2 Ohm Impedance
• Top-mount depth: 6-1/2"

5
Hertz MP 300 D2.3 Subwoofer + Free $100 Gift Card

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

In stock

Only 2 Left!

$659.99 (24.24% off)
$499.99
Hertz MP 300 D4.3 Subwoofer + Free $100 Gift Card

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

MP 300 D4.3, 100EGIFT main
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12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Water-repellent pressed paper cone material
• Aluminum alloy basket
• 4 Ohm Impedance
• Top-mount depth: 6-1/2"

5
Hertz MP 300 D4.3 Subwoofer + Free $100 Gift Card

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

In stock

Only 2 Left!

$659.99 (24.24% off)
$499.99
Hertz MP 300 D2.3 + Free 12" Sealed Enclosure

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

MP 300 D2.3, MDFS12 main
Go to item page

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Pressed-pulp cone with mineral powders cone material
• Aluminum alloy basket
• 2 Ohm Impedance
• Top-mount depth: 6-1/2"

3
Hertz MP 300 D2.3 + Free 12" Sealed Enclosure

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

In stock

Only 2 Left!

$619.94 (17.09% off)
$513.99

Item Added to Cart

MP 300 D2.3, MDFS12 small

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

$513.99

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NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$29.99

Add
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$59.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz MP 300 D2.3 + Free 12" Sealed Enclosure.
Hertz MP 300 D4.3 + Free 12" Sealed Enclosure

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

MP 300 D4.3, MDFS12 main
Go to item page

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Water-repellent pressed paper cone material
• Aluminum alloy basket
• 4 Ohm Impedance
• Top-mount depth: 6-1/2"

3
Hertz MP 300 D4.3 + Free 12" Sealed Enclosure

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

In stock

Only 2 Left!

$619.94 (17.09% off)
$513.99

Item Added to Cart

MP 300 D4.3, MDFS12 small

12" Mille Pro Series DVC 1200W Dual 4 Ohm Car Subwoofer

$513.99

Keep Shopping

NVX Speaker Wire (XWS1225)

25 ft. of True 12 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

$29.99

Add
NVX Sound Dampening Trunk Kit (SDTK20)

20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

$59.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz MP 300 D4.3 + Free 12" Sealed Enclosure.

Hertz 12" Car Subwoofers Information

Hertz carries a range of 12” car subwoofers for the bass you have been looking for. Hertz engineers competition grade subwoofers that will both satisfy and last. Great for subwoofer boxes and other installations, these 12” Hertz car subwoofers are an easy choice.
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