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Definitive Technology BP9040 Floor Standing Speaker with Integrated 8” Powered Subwoofer

    • The Definitive Technology BP9040 is a high-performance bipolar floor-standing loudspeaker that integrates a robust bass system, offering both immersive dispersion and deep low end without needing a separate subwoofer. Its design uses a Forward-Focused Bipolar Array™, placing drivers front and rear to expand the soundstage while maintaining imaging and tonal coherence. On the front it houses dual 4.5″ BDSS™ midrange/woofer drivers plus a 1″ aluminum dome tweeter, while the rear panel carries one 4.5″ driver and another tweeter. To support real bass, it includes a side-firing 8″ powered woofer (300W Class D amplifier) plus two 8″ passive radiators, allowing the tower to reach down into the 20-Hz region. With a frequency response rated from 22 Hz to 40,000 Hz, a sensitivity of 92 dB, and compatibility with 8-ohm amplifier outputs, the BP9040 is intended to be driven by solid amplifiers in the 50–300W range. It also supports optional Dolby Atmos/DTS:X height extension via a dedicated port for the A90 add-on module. Finished in sleek veneer or black trim and built on a rigid, braced cabinet with cast aluminum base, the BP9040 bridges the gap between full tower speakers and compact systems needing serious bass. Crutchfield+3

Description

The BP9040 tower speaker is your answer for remarkable, immersive, room-filling sound so you can experience every detail of pure home theater. Forward Focused Bipolar Array expands your room’s entire soundstage. Aluminum dome tweeters, high-performance drivers, an integrated powered subwoofer, and Intelligent Bass Control let you hear and feel every note as the artist intends. Dolby Atmos / DTS X compatibility lets you explore true multi-dimensional sound. Timeless, minimalist design. This is what obsession sounds like.

Warranty:

3-year manufacturer’s warranty.

Features:

  • Stunning Depth of Field Forward Focused Bipolar Array
  • Room-Shaking Bass Integrated 8” Powered Subwoofer and Dual Passive Bass Radiators
  • Immersive Soundstage Balanced Double Surround System

ALUMINUM DOME TWEETERS
Crystal clear highs bring the most demanding audio to life. Our tweeters play higher in frequency than what is heard by the human ear, creating an authentic reproduction of sound as the artist intends in the studio or concert hall.

BDSS – BALANCED DOUBLE SURROUND SYSTEM
Improves driver excursion, which results in the selected driver producing bass output usually associated with a larger driver, while retaining the improved dispersion and midrange definition of a smaller driver.

ACOUSTICALLY TRANSPARENT GRILLE
Enjoy the subtle elegance of the speaker design without having to remove a speaker grille to enjoy natural, uncolored sound.

TOTALLY INERT, RESONANCE-FREE CABINET
Maximum rigidity with strategically placed bracing improves imaging while reducing resonance, further reinforcing our clean and powerful sound.

CAST ALUMINUM BASE WITH SPIKES AND FLOOR GLIDES
The wide footprint increases overall stability of the tower speaker, while the addition of spikes or floor glides helps keep your speakers firmly in place, whether on carpet or other solid floor surfaces like hardwood or cement.

LED BACKLIT DEFINITIVE TECHNOLOGY LOGO
To highlight the integrated powered subwoofer and show that your speaker is receiving a signal, we’ve added an LED logo at its bottom front panel. Turn it on or off at your leisure, and also note that it will automatically turn off/standby after 20 minutes of no active signal.

Technical Specifications:

Height without Base 39″ (99.06 cm)
Width without Base 6″ (15.24 cm)
Depth without Base 13″ (33.02 cm)
Weight 36 lbs (16.33 kg)
Height with Base 40.25″ (102.24 cm)
Width with Base 13″ (33.02 cm)
Depth with Base 11″ (27.94 cm)
Base Material Aircraft Grade Aluminum
Leveling Mechanism Yes
Materials Aluminum
Front Array Driver Enclosure Type Acoustically Tuned Vent
Front Array Driver Complement 1″ (2.54 cm) d (Round) Aluminum Dome – Tweeter
4.5″ (11.43 cm) d (Round) – Midrange
8″ (20.32 cm) d (Round) – Bass Radiator
8″ (20.32 cm) d (Round) – Subwoofer
Rear Array Driver Enclosure Type Acoustically Tuned Vent
Rear Array Driver Complement 1″ (2.54 cm) d (Round) Aluminum Dome – Tweeter
4.5″ (11.43 cm) d (Round) – Midrange
Total Frequency Response 22 Hz – 40,000 Hz
Nominal Impedance 8 ohms
Max Sensitivity (1 watt @ 1 meter) 92 dB
Amplifier Class Class D

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