Pioneer TS-SW841D 8 In. Shallow-Mount Subwoofer with 500 Watts Max. Power Product Description:
- Eight-inch Shallow Series subwoofer with 500 Watts maximum (120 nominal) power handling
- Composite IMPP cone with interlaced carbon fiber and glass fiber
- 4-ohm single voice coil design
- 30 Hz to 1500 Hz frequency response with 85 dB sensitivity
- 2-1/2-inch mounting depth
Product Description
120W NOMINAL POWER; 2.5" MOUNTING DEPTH; SEALED OR FREE-AIR Use
Customer Reviews
Most helpful customer reviews
8 of 9 people found the following review helpful.Runs fine free air too and sounds like a 10"
By DSA66
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".
4 of 4 people found the following review helpful.Pioneer surprised me; that's hard to do
By Joseph K. Watts
Music has always been an important part of my life; thus, I generally seek high quality components for both my home and vehicles. A design defect in my wife's 645ci convertible BMW fried several of the stock speakers, including the two 8" shallow mount subs. When I learned that each OEM replacement sub would cost $650, I tore out everything downstream of the stock Logic7 amplifier and installed an Audiocontrol lc8i, Soundstream ref.4 760, Soundstream ref.5 1000, an old set of Boston Acoustic Pro 6.5 LF's (yes, I modified the speaker enclosures), new 4" Focals in the backseat panels and center channel, and installed two of these subs.Truthfully, I felt like I was wasting my money on these subs because my perception of Pioneer has been that they were in the middle to upper middle class of the socioecophonics scale. However, there were few shallow mounts on the market at the time I needed them that were not targeting the market to which the person belongs that gave these speakers a bad review because he blew them up in a week. Thus, I thought I was buying the best of the mediocre.I owe Pioneer a sincere apology because I was wrong. Without getting into too much of the boring stuff, I will simply tell you about my three surprises after purchasing these speakers.When I pulled the speakers out of the package, the first surprise was the weight. These speakers are heavy. Weight is generally a good sign because it usually means there is a large magnet. Large magnets are, again, generally a good sign because they can control the piston and, therefore, diaphram better than a small magnet. Better control means less distortion and more audible separation of the frequencies.I immediately turned them over to see the back. While I expected a pug nosed profile, the second surprise was that Pioneer's engineers compensated for the lack of depth by using breadth. While many of you would say, "Thanks Captain Obvious," I have yet to see a shallow mount 8" subwoofer with as much density spread out as efficiently as this speaker. The magnet housing stretches uniformly in depth across the entire back surface of the diaphram. While it may look like a simple change to the traditional subwoofer design, the challenges that the redesign causes demanded some fundamental rethinking of basic subwoofer construction to produce a product worthy of manufacturing. Moreover, Pioneer's engineers use of an oversized magnet addressed a seemingly insurmountable problem in designing a replacement/upgrade OEM subwoofer that would produce quality sound in virtually any vehicle.Aside from controlling the piston, the larger magnet employed by Pioneer also compensates for the endless variations in geometric design and total volume of OEM subwoofer mounts. Since automotive engineers are generally more concerned with structural or aesthetic issues, rather than acoustical, when designing a given vehicle's speaker placement, the engineers must begin R&D with the assumption that the electromagnetic motor will be solely responsible for controlling the diaphram and cannot rely, as traditional subwoofers do, on the compression and expansion of air in the enclosure to "do some of the work." That is why several of the reviewers have commented on the surprising "definition" and "control" that these speakers have that small enclosure infinite baffle speakers generally do not possess.Certainly, I am not asserting that any 8" shallow mount can compare with, say, a JL W7. But, these speakers are a testament to Pioneer's commitment to the OEM replacement/upgrade market. They are 8" shallow mount subwoofers. But, if appropriately level matched and tuned, their performance is the third suprise in that it is nothing short of deep and rich, which are qualities that you will rarely read about or hear from the experts when they review shallow mount subwoofers.Finally, if your vehicle's subwoofer enclosure has obstructions at or near the business end of the subwoofer, make sure you purchase a sturdy metal grill or cover to avoid the diaphram being driven into the obstruction. Aside from damaging the speaker, it will sound like Howard Stern in Private Parts attempting to use a woofer to, well, you've seen the movie. If you don't want to completely remove your vehicle's interior out to install sound deadening material, at least install it on as much of the plane to which the sub is attached. It will reduce your vehicle's tallentless attempt to be a subwoofer and generally minimize passengers being thrown out of the vehicle for pointing out your less than desirable low end.Incidentally, I am not in any way affiliated with Pioneer or any other company relevant to this review, including marketing companies that write reviews on these sites simply to trash a competitor and bolster their client's product. I simply felt compelled to provide this rather lengthy review because Pioneer did something with these speakers that no other electronics manufacturer has done for as long as I can remember; Pioneer delivered more than what I expected.
4 of 4 people found the following review helpful.Pioneer Premier TS-SW841D Sub
By R. Reich
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.
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