W65K9D4 6.5" 1000W Peak / 250W RMS Dual 4-Ohm Car Audio Subwoofer, CEA-Rated, OFC 2" Voice Coils, Double 66oz Magnet, Cast Aluminum Basket, for Car Audio Systems & Custom Installs

Good quality for a low price

This is a bad lil dude. I have it reversed in a ported 1cu box and it’s way louder than you would expect. Sounds like a decent 10” sub. I would recommend running it a 4ohms tho because it doesn’t take much at all to make it tap at 1ohm. (By itself.) probably gonna buy one more

So far I'm definitely impressed. It can be very difficult to locate a drop-in replacement driver for a specialty enclosure, especially when the OM is no longer in business. I have a sweet little Pinnacle SubCompact6 mini-sub that I have enjoyed in office and bedroom systems over the years, but the voice coil developed distortion. Searched the web options for a true 6.5" subwoofer and found this Rockville. Measurements were close, but obviously so are tolerances in a 7" cube with lots of amp hardware installed (200W with physically separate transformer mounted on the bottom of the box). That transformer was the rub, literally. Even with the magnet boot removed from the Rockville, had to use thick high density gasketing tape to space the transformer plate out about 1/8" from the bottom of the box to get the clearance needed for the magnet. Got it all buttoned up though, still have a tiny air leak as the Rockville rubber gasket on the mounting flange is a bit too stiff to really compress into an airtight seal, will take it apart again and probably replace the Rockville rubber gasket with foam gasketing tape. It could also be one of the original screw holes as I needed to drill new ones for the Rockville hole pattern. Of course, none of this reflects on the woofer or Rockville whatsoever, nobody told me it would drop in. The selling point was that the measurements were awfully close, but I also needed 4ohm and this is available in either dual 2ohm or dual 4ohm, so I chose the dual 2ohm and wired in series to get a 4ohm nominal impedance. Also, Rockville lists the sealed enclosure volume as low as 0.14 cubic feet, and my enclosure is roughly 0.19. I know the specs show it doesn't play much below 50Hz, but I'm listening to music with bass notes in the 35Hz range and it is handling them pretty darned well for a 6.5" driver. Have to call the project a success, need to figure out a grill of some kind because the factory original was way too shallow. Sound is more important than cosmetics of course, and it's probably going back under the desk where it was before anyway. Would recommend, and would purchase again for a similar install.

Great sound also a space saver I'm satisfied with this purchase

Bro, if you want performance from a 6.5 inch sub this is the one.

Wow Wicked sound from a smaller sub never knew they made a 6.5 1000 wat sub

Excelente

Where are the screws to mount?

Liked everything, the bass is comforting to the ears, gives me luxury car vibes and its very clear 😍 ive used the sealed enclosure box dimensions provided 👍🏼

I bought the Rockville W65K9D2 to replace an underwhelming factory subwoofer in a compact sealed enclosure. The difference is night and day. This sub brought the low end to life — tight, responsive bass without any distortion, even when wired to the factory amplifier. Installation was straightforward with minor modifications: Trimmed the internal support post to fit the deeper magnet. Used sound deadening material to reseal the enclosure. Wired just one 2-ohm coil to match the OEM setup. No amp upgrades, no fancy processing — just better sound. For the price, especially here in Canada, this subwoofer offers incredible value. Highly recommended if you're looking to wake up your stock system without spending a fortune.

I have never expected such good quality of the sound and fabrication! Excellent product! I was about to buy the DS18 version, but this one has better characteristics. When building the box, the reflex tube must be calculated for a very high air compression. thank you!

Amazing little sub for the price. I built a .5 cubic foot box for the 6.5 K9 and this thing totally surprised me. It hits hard for something so small. ***EDIT*** After the first few weeks I could start to hear a faint rattling from the subwoofer. Yesterday it got a who lot worse. Decided to take it out and inspect it. I found that the dust cap has half come off flapping around causing the noise. Looks like it didn't get much or any glue at all to hold it down on one side. Frustrated that there is no Amazon drop off near my place and will most likely have to pay postage to return it. 4 months in and the foam surround splits.

24v 16.7a power supply(400w) powers up 1200w(20a) dc/dc boost converter that powers monoblock amp(600w) pushing roughly 250w to the subwoofers, honestly the cheaper $70 sub(CTSounds Tropos) sounds the same, the only difference is your orice, don’t get me wrong i like the woofer but $160 for 6.5”? really?? i would pay $170 for the 8” & i did 💯 i wanted to buy another one i look at the price again it costs $275 😮