Big things in a little package, (What's this?) I went with a completely invisible subwoofer install by putting this in a box under the rear floor of a VW GTI. The box is very shallow. I run two channels of a small Sony amp supplying exactly the 140W or so that the speaker's owner's manual calls for. I had a sound shop run the wiring for all the components I had assembled. They admitted some serious surprise with the end result (although having a hatch back helps in that regard - might not be as impressive in a sedan trunk).
pioneer subwoofer review, this product works great with my new pioneer speakers and avic-d3 navigation system. I'm very pleased.
Pioneer Premier TS-SW841D Sub, I bought this replace a factory sub in my vehicle and even though I don't crank it like I did when I was 16, it has good sound and a nice range of bass tones. Definitely a good pick for anyone looking for a shallow-mount sub.
Runs fine free air too and sounds like a 10", I have only one of these mounted on my rear deck shelf. It's a stealth install and you can't tell it's there till you hear it. It sounds great. I was thinking it might not sound too good without a box but it seems to sound just fine mounted on the underside of my rear deck. My amps crossover is set at 100Hz and I am running 300 watts RMS to it. It sounds great. This is not a sheet metal vibrator type of sub. It provides clear, deep accurate bass at an affordable price. If you want teenage level madness like you hear at some stop lights with the sheet metal vibrating etc.... than get a 12" woofer. This 8" sub packs in plenty of undistorted low frequency tones and the mounting options, well with this low installation depth of 2.5" there are many possibilities out there. Again, I'm only using one of these in my Lincoln and it sounds great. I'm not necessarily advocating free-air installation as the best option but in my particluar set up it was required to keep the install totaly stealth. It does sound great though so in my case it worked out just fine. This 8" sounds more like a 10".
Composite IMPP cone with interlaced carbon fiber and glass fiber.4-ohm single voice coil design.2-1/2-inch mounting depth.Eight-inch Shallow Series subwoofer with 500 Watts maximum (120 nominal) power handling.30 Hz to 1500 Hz frequency response with 91 dB sensitivity.3-Layer Interwoven Radial Surround The shallow subwoofer incorporates an innovative woven cloth reinforced radial urethane surround for improved power handling, reduced distortion, improved durability, and louder, more controlled bass. The surround is constructed of three layers--two of urethane and one of interwoven cloth. The interwoven cloth distributes strength throughout the surround material and improving its high power capability. The result is an extremely durable and resilient surround that resists puckering, even under intense power conditions. Size: 8-Inch Woofer Cone Material: Composite IMPP using Interlaced Carbon Fiber and Glass Fiber Surround: 3-Layer Fiber Woven Radial Surround with M-shape Cross-section Voice Coil: 4 Layer, Long Voice Coil Voice Coil Wire: Copper Voice Coil Bobbin: Glass Cloth Magnet Construction: Strontium Gasket: Rubber Watts MAX. Music Power: 500 Watts Watts Nominal Power Handling: 120 Watts Frequency Response: 30 ~ 1500Hz Sensitivity: 85dB Ohm Rating: 4 ohm Dimensions: 8-7/8 x 3 Inches Mounting Depth: 2-1/2 Inches Fin-Shaped Basket Traditional subwoofers push air downward. This creates a "loading effect' or area of pressure underneath the speaker which hampers performance and responsiveness. The rear of the powerful and slim Pioneer shallow subwoofer is designed with specially-shaped fins that channel the airflow sideways instead of downward. Air is continuously pushed in a circular motion, eliminating the "loading effect" or unwanted pressure of air behind the cone. Air Suspension System In order to create a subwoofer that is three and a quarter inches deep, Pioneer had to develop revolutionary subwoofer technology. A traditional subwoofer uses the spider design to keep the voice coil of the speaker aligned while it moves. This type of set-up can become soft over time degrading the subwoofer's performance. Pioneer created a patent-pending air suspension system that locks air between a main cone and a drive cone. The cones move together in unison, with the locked-in air behaving like a spring. The dual-cone structure is a spider-less design that maintains better sound linearity, and reliability even after many of hours of hard use.
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