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Automotive Passive Subwoofer Enclosures

Automotive Passive Subwoofer Enclosure Collection

Loaded subwoofer enclosures come in Passive or Active styles. Passive enclosures, or boxes, require an additional amplifier to produce sound while Active enclosures have amplifiers built into them and are self contained all-in-one systems.

Subwoofer drivers, also know as subs, are specific only to the lowest frequencies of the sound spectrum, and are the largest drivers in any car stereo. They are generally found in sizes of 8″ – 12″ diameters. Subs move massive amounts of air creating large pressure waves. These large pressure waves give that bottom end punch you expect from your kick drum, the undeniable funk of a bass guitar and the earthshaking bump of a house beat. 

The frequency range of a subwoofer generally covers the first 2 octaves of the sound spectrum, also known as the lows. Subwoofers require their own mounting structure called a sub box. Sub boxes are built to create negative pressure on the sub to help move their large diameter cones back and forth for accurate reproduction of low end frequencies. Custom subwoofer boxes are built to meet certain cubic air space specifications of sub drivers and are sometimes custom built to fit under seats or other hidden areas to maximize the use of space in the vehicle. JL Audio’s Stealthbox's are custom designed to fit many vehicles while minimizing the footprint needed to be installed in your car.

RMS vs. MAX power: The RMS rating of any speaker driver is the continuous power rating that the speaker is designed to withstand at a maximum continued volume rating. The RMS rating is the only number to go by when pairing your speakers with an amplifier. As an example a speaker with a 100Watt, or 100W for short, RMS rating and a 300-Watt Max rating is ultimately a 100 Watt speaker. The Max rating is the temporary spikes in voltage that the speaker can handle. A 100-Watt RMS / 300-Watt Max speaker is going to outperform a 100W RMS / 250W Max speaker at higher volumes, but may not be the more detailed reference speaker.

Ohms: The Ohm rating, or resistance rating, of a speaker is an essential part of a well balanced car stereo system. Many JBL factory speaker systems have 2ohm drivers. Most aftermarket speakers are 4ohm drivers. Replacing these types of factory speakers may require a wiring bypass of the factory amplifier.

Driver resistance ratings are essential when pairing subwoofer and speaker drivers with amplifiers. An amplifier that is 750W @ 2ohms might only generally be 500W or less @ 4ohms. When purchasing a subwoofer driver the correct pairing of a subwoofer’s RMS wattage and Ohm ratings with an amplifier’s output power rating is absolutely essential.

Frequency Response: Frequencies are measured in Hertz or Hz for short. The frequency response of speaker drivers will generally fall between 20Hz and 22kHz. At 20Hz the sound spectrum begins. Every time you double your frequency you move up one octave in scale. 20-Hertz to 40-Hertz covers the first Octave, 40Hz to 80Hz covers the next octave and so on. Subwoofer drivers are generally tuned to crossover at 80 Hertz. This can depend on the subwoofer type and the type of music you listen to.

1 product

  • Kicker 48TCWRT10 : 400W Dual 10" Thin Subwoofer Enclosure, 2Ω Configuration Kicker 48TCWRT10 : 400W Dual 10" Thin Subwoofer Enclosure, 2Ω Configuration, left side.

    Kicker 48TCWRT102 : 400W Dual 10" Thin Subwoofer Enclosure, 2Ω Configuration

    Pre-Order Today!

    10-Inch 400-Watt Loaded Thin Dual Subwoofer Enclosure, 2-Ohm Final Impedance The CompRT 10" thin subwoofer by Kicker is a weather resistant thin sub with a 2Ω configuration with this box. The thin 10 inch sub magnet structure delivers 400W RMS of power with a chassis mounting depth of just under 3 1/2". The Kicker designed UniPlate™ back plate and solid pole piece serve as a single heat-absorbing unit to keep this 10" CompRT thin subwoofer driver nice and cool.The Kicker 43TCWRT102 10" subwoofer enclosure works best with 400 watts of RMS power. Specifications TYPE: thin-profile NO. OF WOOFERS/SIZE (in, cm): 10, 25 IMPEDANCE (Ohms): 2 Recommended Amplifier Power (watts RMS) 400 Peak Power (watts, per ANSI/CTA-2031-A) 800 SENSITIVITY (dB 1w/1m): 96.5 BOX TOP DEPTH (in, cm): 3-7/16, 8.8 BOX BOTTOM DEPTH (in, cm): 6-9/16, 16.7 BOX HEIGHT (in, cm): 11-13/16, 39 BOX WIDTH (in, cm): 23-1/4, 59.1 Kicker CompRT Subwoofer Enclosure Manual

    Pre-Order Today!

    $299.99

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