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🎧 Elevate your home theater game—sound that surrounds, stuns, and stays with you.
The Definitive Technology BP-9040 Tower Speaker combines an 8-speaker BDSS array with an integrated powered 8” subwoofer and dual bass radiators to deliver immersive, high-resolution 3D sound. Featuring patented Forward-Focused Bipolar technology for wide sound dispersion and a built-in docking port for optional Dolby Atmos height speakers, it offers a flexible, premium home theater upgrade with a sleek, stable design.













| ASIN | B01F7AIDO2 |
| Age Range Description | Kid |
| Antenna Location | Music |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Balanced Armature Driver |
| Audio Output Mode | Surround |
| Audio output mode | Surround |
| Bluetooth Range | 10 Metres |
| Box Contents | 4 Carpet spikes, 4 Floor guides, 4 Nuts, 4 Screws, 6.5' AC power cord, Owner's Manual, Stabilizer base, Top-plate (installed), Tower loudspeaker |
| Brand | Definitive Technology |
| Brand Name | Definitive Technology |
| Colour | Black |
| Compatible Devices | Personal Computer |
| Connectivity technology | RCA |
| Control Method | Remote |
| Customer Reviews | 4.7 out of 5 stars 71 Reviews |
| Enclosure Material | Aluminum |
| Frequency Response | 40 KHz |
| Frequency response | 40 KHz |
| Global Trade Identification Number | 00747192126452 |
| Impedance | 8 Ohms |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 33D x 27.9W x 99.1H centimetres |
| Item Weight | 36 Pounds |
| MP3 player | No |
| Manufacturer | Definitive Technology |
| Maximum Speaker Output Power (in watts) | 300 Watts |
| Model Name | BP9040 |
| Model Number | BP-9040 |
| Mounting Type | Floor Standing |
| Mounting type | Floor Standing |
| Network Connectivity Technology | RCA |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Features | Bluetooth, Wireless |
| Speaker Size | 8 Inches |
| Speaker Type | Subwoofer |
| Speaker maximum output power | 300 Watts |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Speaker Diameter | 8 Inches |
| Tweeter Diameter | 1 Inches |
| UPC | 747192126452 |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Bluetooth |
| Woofer Driver Diameter | 8 Inches |
A**A
Altavoces de gran nivel!
Tengo 2 años con estos altavoces, los compré a sabiendas de su gran reputación como marca y por la forma en que fueron diseñados, pues son de rango completo, y saben que? No me equivoqué!!, son una maravilla! Se escuchan increíble, por supuesto deben de contar con un buen receptor de audio para que brillen a tope, sin lugar a dudas no se arrepentirán de su inversión, son altavoces caros, pero valen cada peso, y les aseguro que los disfrutarán con una gran sonrisa como yo lo hago cada vez que los escucho!
J**A
The best speakers you can buy
Excellent speakers, have heavy bass, perfect couple for my SVS subwoofer and home entertainment center. Bought these in 2021 and just recently this month in April 2026 the amp blew, spoke with customer service they granted a replacement after passing my warranty. This company is the best and standby there speakers. They have quality products and excellent service, they have a customer and repeat buyer for life thank you Definitive
F**O
Amplifier broke after one month
The interior power amplifier for the subwoofer broke after one month. Contacted the manufacturer for part warranty and I am still waiting for a replacement. It has been 7 months and still haven't received it. Ever since a warranty claim has been made I was never given an ETA. Get the impression I will wait forever. I recontacted the manufacturer and asked for a complete speaker replacement to solve my issue and was denied. Very disappointing for a high-value consumer product.
T**S
MOVIE THEATRE SOUND IN YOUR HOME
After a few weeks of research, I upgraded from a Klipsch system to The Definitive Technology (DT) 9040 series towers and center channel speaker system. I’m also using their Promonitor 800 series speakers for rear surrounds. Klipsch is good, real good but DT takes movie experiences to a whole different level as far as sound. Just by the way the speakers are packaged, I could see that they are a high quality product. The speakers are beautifully constructed. The 9000 series is a passive speaker system. You will need an amp or a receiver for them to produce sound. The center channel speaker is big. About the size of a thick briefcase. I posted a pic of it along side my Promonitor 800s so you can see just how much room it takes up. As big as the center channel speaker is, the sound it produces is much bigger. Clear and clean sound from Footsteps and whispers to broken glass hitting the floor, the 9040 center channel never misses a beat. The 9040 towers are amazing. They have 8” powered subwoofers built in so an electrical outlet Is needed to power them up. The rear panel has a volume knob for the subs and do very well on their own. You can also connect the subs to your receiver via sub output from your receiver to the LFE input in the 9040 tower to better adjust the bass to your taste but they really do very well on their own. There are two sets of speaker terminal posts. The top set is for the A90 Atmos speakers that attach to the top of the towers by simply removing the top brushed aluminum plate. The lower speaker terminal are for Non Atmos connection. The towers sound absolutely incredible. I have the sub volume on both just under the half way point and it gives such a rumble. It’s a mature bass not muddy. The tower tops produce such a clean and clear sound that along with the center channel speaker, they fill my 14 x 26 living room without a struggle. With each tower having its own sub, sound is now evenly distributed through out the room. From whispers and fight scenes to thunderous explosions & bullet casings hitting the floor, the DT 9040 series creates each sound the way it was meant to be heard. I was told that when they break in, they will sound even better. Can’t imagine how much better because it sounds like a movie theatre in my house. I’m running the 9040s on my Sony DH 790 receiver. Was it expensive? YES it certainly was. Was it worth it? YES it certainly was. If you want a high quality sound system that gives you a movie theatre experience in your home then Definitive Technology 9000 series is what you want.
L**M
Definitive Technology Speaker replacement
BP-9040 Tower damaged, needed a replacement and was thrilled to see Safe & Sound HQ has them in stock. It arrived as scheduled, in a shipping container I was quite happy about. Installed the base and plugged the replacement in, and back to full channel media center.
Trustpilot
1 month ago
2 days ago