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  4. DS18 Car Subwoofers

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2004 Beetle
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Thumbnail icon for All DS18 Component Car Subwoofers

All DS18 Car Subwoofers

Choose DS18 for all component car subwoofers, delivering deep and powerful bass.

Thumbnail icon for DS18 12" Car Subwoofers

DS18 12-inch Subwoofers

Unleash powerful, deep bass in your car with DS18's 12" car subwoofers.

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DS18 10-inch Subwoofers

DS18's 10" car subwoofers are designed for bass enthusiasts seeking deep, resonant sound.

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DS18 Underseat Subwoofers

Thumbnail icon for DS18 Car Bass Packages & Powered Subs

DS18 Bass Packages & Powered Subwoofers

DS18 offers complete audio solutions with car subwoofers that come with a box and amp.

Thumbnail icon for DS18 8" Car Subwoofers

DS18 8-inch Subwoofers

Optimize your space with DS18's powerful and compact 8" car subwoofers.

Thumbnail icon for DS18 15" Car Subwoofers

DS18 15-inch Subwoofers

For the ultimate bass experience, choose DS18's 15" car subwoofers.

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DS18 6.5" & Small Size Subwoofers

Thumbnail icon for DS18 Car Subwoofer Installation & Accessories

DS18 Subwoofer Installation

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All DS18 Car Subwoofer Boxes (Loaded & Empty)

Enhance your bass with DS18's car subwoofer boxes, designed for deep, powerful sound.

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DS18 Empty Subwoofer Boxes

Customize your bass with DS18's empty car subwoofer enclosures and boxes.

Thumbnail icon for DS18 Car Subwoofers with a Box (Loaded Sub Boxes)

DS18 Subwoofers with a Box

DS18's car subwoofers with an enclosure/box deliver unmatched bass and sound quality.

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DS18 Marine Subwoofers

Feel the depths of the ocean with DS18's powerful marine subwoofers.

Additional Categories

You can shop these categories, but we cannot guarantee fit and/or we do not have products that fit your vehicle.
Thumbnail icon for DS18 Custom-fit Subwoofer Boxes

DS18 Custom-fit Subwoofer Boxes

Tailor your bass with DS18's custom-fit subwoofer boxes for a perfect fit.

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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.
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.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
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.
Top-Mount Depth (Mounting Depth)
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Voice Coil(s)
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.
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.
Subwoofer Design
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.

Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
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".
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Recommended Enclosure Type
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.

Xmax (millimeters)
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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DS18 IXS10.4D with Sealed Truck Enclosure

1200W Peak (600W RMS) 10" IXS Series Dual 4-Ohm Car Subwoofer

IXS10.4D, 10TK big
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DS18 IXS10.4D with Sealed Truck Enclosure

1200W Peak (600W RMS) 10" IXS Series Dual 4-Ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Paper Cone
• Rubber Surround
• Impedance: Dual 4 ohm
• Includes Sealed Truck Enclosure

shipping truck icon Free shipping in USA. Provide zip for delivery date.

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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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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