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Description
SUB 915Designed for ground stacked applications, SUB 900 is the perfect choice whenever a powerful lower extension is required. SUB 915 is equipped with a single premium 15" woofer housed in a bass reflex design. A 900 W RMS Class D Digipro G3 power amplifier ensures advanced efficiency as well as forcible sound pressure levels SUB 915 is enabled for real time monitoring and remote control via RDNet protocol and Aurora Net software (Windows and Mac),
Designed for ground stacked applications, SUB 900 is the perfect choice whenever a powerful lower extension is required.
SUB 915 is equipped with a single premium 15" woofer housed in a bass-reflex design.
A 900 W RMS Class D Digipro G3 power amplifier ensures advanced efficiency as well as forcible sound pressure levels
SUB 915 is enabled for real time monitoring and remote control via RDNet protocol and Aurora Net software (Windows and Mac), allowing advanced subwoofer configurations alongside with perfect low-end matches with dBTechnologies’ full-range systems enabled to RDNet communications.
Both models of the family also feature on-board controls for attenuation, a polarity switch and DSP controls for a delay up to 4.5 milliseconds with 0.5 milliseconds steps (while a maximum 21 ms delay is allowed via Aurora Net). A second rotary allows to set crossover frequency from 70 to 110 Hz.
The robust plywood cabinet encases high-end performances in limited weight (34.8 kg) and features 2 integrated handles on the top edges, while the back side is equipped with wheels mounting for smooth transportation.
What is more, being designed for both vertical or horizontal use, 2 M20 mounts on the top and side panels permits any type of full-range speaker led using a standard M20 threaded pole.
Technical Data
Speaker Type
Active Subwoofer
Acoustical data
Frequency Response [-10dB]
45 to cut frequency (Xover dependent)
Max SPL (1 m)
133 dB
LF
15"
LF Voice Coil
4"
Amplifier
Amp Technology
Digipro G3
Amp Class
Class D
Peak Power
1800 W
Processor
Controller
28/56 bit DSP
AD/DA Converter
24 bit/48 Hz
Limiter
Peak, Thermal, RMS
Crossover Frequency
Variable (70Hz - 80Hz - 90 Hz - 100Hz - 110 Hz
Controls
1x Subwoofer Atteniation Control
1x Delay Rotary
1xXover Rotary
1x Polarity Switch
1x Delay Rotary
1xXover Rotary
1x Polarity Switch
Input
Signal Input
1x XLR female
1x USB (data service)
1x USB (data service)
Signal Output
2x XLR male
Mechanics
Housing
Plywood
Handles
2 (1x side)
Pole Mount
2x M20 (1 on top + 1 on side)
Width
620 mm (24.4 in)
Height
457 mm (17.9 in)
Depth
620 mm (24.4 in)
Weight
34.8 kg (76.7 lbs)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 1163 reviews
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Product Reviews
★★★★★ 4
Valuable and Engaging Book but with Poor Timing - It's Our Fault, too.
Format: Kindle
If this is not enough reason for companies and individuals, with even a sliver of good judgement, to stop using all Meta products ASAP, I am not sure what is. Careless People is consistent with, builds upon and confirms what both the "Real Facebook Whistleblower," Frances Haugen (The Power of One) and Jeff Horwitz (Broken Code) have already brought us. While Wynn-Williams did not have the mountains of solid evidence that I believe made the work of Haugen and Horwitz more important, Careless People does provide an interesting perspective and more detail, not only on Meta's failures caused by the drive for more profit, but also the profound personality flaws of Meta's top people.
Assuming Careless People is reasonably accurate, Sarah Wynn-Williams is a very brave, resilient woman who wanted to do the right thing for Meta. She sacrificed way too much to help Meta when they did not deserve it. She offers a descriptive account of the difficulties she encountered in her role, including cases of bizarre sexual harassment and being sent to dangerous places all over the world. Even if these are exaggerated, the creativity she had in handling such situations makes the book so interesting to read. So many things went wrong for Wynn-Williams that would have caused many of us to give up, but she kept fighting (like Haugen).
While any book providing the reasons why we all need to stop using Meta products is good progress, I am disappointed that Wynn-Williams never mentions Haugen or Horwitz in the acknowledgments or gives them credit for paving the way. I would have expected this at a minimum, since those books have been out since 2021 and those authors have provided abundant proof of Meta's world-wide and excessive damage - 22,000 pages of such proof (see the "2021 facebook leak" on Wikipedia) . As of March 2025, Wynn-Williams had never reached out to either of those two, nor offered to collaborate with them. Jeff Horwitz has interviewed hundreds of former Meta employees. Wynn-Williams left facebook in 2017. So while she offers more detail about what was wrong at Meta, she seems too late. And without any credit to the others, especially Frances Haugen, who risked just as much, if not more than Wynn-Williams, it seems strange that Wynn-Williams would now finally come forward, suspiciously looking like an attempt to use their success towards her own. That part still needs to be answered.
The obvious lesson is that the 3 billion users of Meta products are "Careless," too. Nothing changes a company's behavior faster than when people stop using its products. For more than 6 years, since Roger McNamee published "Zucked: Waking Up to the Facebook Catastrophe" in 2019, we have known that Meta products suck the data out of users to sell it to anyone willing to pay for it. If you use any Meta products yourself and/or never bother to check that any website you are using, is sending your data to Meta with everything you click on (many tools are available to help you with this), but yet you claim to be an opponent of Trump, you have no one to blame but yourself. Meta gets away with the disastrous and horrific fallout of their carelessness BECAUSE WE LET THEM!
In fact, given what Wynn-Williams has brought us, along with the others before her, can't we simply conclude that it is POOR JUDGEMENT for any person or company to actually use Meta, Inc. products in 2025?
Meta is similar to the tobacco companies in the 70s who were not doing anything illegal (arguably still TBD for Meta). We all knew their products were dangerous, but so many continued to use them. Hopefully it will not take decades for people to change in this case. So unless there is some miraculously speedy and unprecedented exodus from Meta's user base, look for someone worse than Trump in the 2028 general election and 535 more of them in Congress now that the word is out that all you need are friends at Meta to get elected. Hang on because it's going to get much worse.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2025
★★★★★ 5
The modern Great Gatsby
Format: Hardcover
It is a very interesting (words) and depressing (reality) book to read. As a former Facebook employee, this book allows me to reflect my time at the company from a new angle, confirming some of the hypothesis I had, and shedding great insights into my experience. Thank you Sarah for sharing her story. We are all in this together.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Riveting, believable, depressing
Format: Kindle
Anyone who studies business recognizes the evolution. At the start, employees are comrades and customer's are wooed. Beyond a certain size, employees become line times and customers become commodities.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Fantastic series by a creative artist
Format: Paperback
Amulet, a graphic novel by Kazu Kibuishi (
,
), is geared towards the 9-12 age group. However, the novel will captivate anyone that begins to read it as they are swept along a moving story with beautiful illustrations.
Our young heroine Emily witnesses the death of her father in the opening pages of this novel. Emily, her mother, and her brother Nevin move into the home of their missing great grandfather. There are secrets lurking within the house, one that soon ensnares Emily's mom. She's dragged from the basement by a tentacle through an open door and Emily and Nevin must go on a rescue mission to another world.
This story captivates the reader from the beginning. The reader is compelled to feel for the characters of the story, from Emily witnessing the death of her father to watching her mom being dragged away by some unknown creature. Although this is only the first part of the series the reader gets a true sense of the characters, their feelings, and their emotions and is left hanging at the end of this book and wanting more.
What really sells the story are the illustrations as they capture and convey the moods of the characters and their surroundings. The drawings have a light airy quality to them, with a simple, but moody, color palette to show off the extensive use of shadows to convey emotions of the character in graphic detail. The reader is never left wanting or wondering what the characters are thinking, the colors clearly display what they feel--the age of the great-grandfather is written into the lines on his face, the fear and courage of Emily as she seeks to save her what's left of her family. As the story progresses a darker palette is used and we are left wanting the lighter colors to return. Something unique about the drawings is that when the story first begins the characters almost look undefined. While we can read their emotions they are merely shapes on a page. However, as the story progresses they gain more depth and emotion.
This novel is a must read. A strong young heroine, with monsters and robots as well, enough to keep any crowd entertained. The moving illustrations and compelling story make this a great read and the book is highly recommended for all ages.
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Reviewed in the United States on April 6, 2011
★★★★★ 5
A great book
Format: Paperback
My grandson loves these novels. He's 9 and I've purchased the 7th now 2 to go
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Reviewed in the United States on April 14, 2026
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