Boston Acoustics

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The ultimate home theater and digital music subwoofer for medium and large rooms.


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Boston BT Series set new performance standards for speakers designed for use in A/V cabinetry or the front theater stage. Coupled with appropriate amplification, BT systems are capable of delivering massive output typically associated with commercial movie theater or concert hall performances. From explosive music and pounding effects to the most artistic texturing and softest whispers, BT’s extraordinary power handling and sensitivity allow extreme audio levels while preserving the subtlest details. All without the enormous speaker size and mass normally required for true big theater sound. Sound so detailed and dynamic, it’s utterly stunning. Clear and uncolored across the entire audio spectrum. This is the award-winning, true-to-the original performance known as the Boston SoundTM.

The BT1100 subwoofer was designed to compliment the BT2 and BT1 high output LCR speakers. Every aspect has been thoroughly thought out for this application. The width of the BT1100 is a standard component size of 171/2" allowing easy installation into A/V cabinetry. Die-cast “finger holds” positioned at the front of the speaker enclosure provide easy installation in tight cabinet spaces, supplied neoprene pads prevent scratching and allow for smooth slide-in positioning of the speakers. All cable input terminals and controls are recessed at the rear of the speaker.

The BT1100 subwoofer features a 12-inch DCD® cast-aluminum frame woofer with 2-inch voice coil. It’s driven by a powerful 300-watt amplifier, and controlled by our proprietary BassTrac® circuitry. Speaker level, line level, and LFE inputs provide connectivity to any audio system. A front-mounted volume control is coupled with adjustments for phase and crossover point on the rear panel.

The BT1100 is designed for theater stages or A/V cabitnet installation. Bass is vented through a 3½-inch tall slot located at the lower front of the cabinet. In cabinet installations, the BT1100 can sit directly on the floor isolating the sub from the cabinet eliminating unwanted vibration. Bass vents into the room via the cabinet toe-kick. This eliminates the necessity speaker grills at the bottom of the cabinet.

Want Big Theater Sound? Use Boston a BT1100 with BT1 and BT2 speakers.

  • 300-watt amplifier
  • 12" cast DCD™ woofer with 2" voice coil
  • BassTrac® circuitry eliminates distortion
  • Slot-firing design for in-cabinet installations
  • Front-mounted volume control
  • Die-cast "finger pulls" allow easy installation in tight spaces


Bass Unit
12" (305mm) cast DCD? with 2" voice coil
Dimensions (HxWxD)
18-1/4 x 17-1/2 x 19" (464 x 445 x 483mm)
Amplifier Power
FTC Rated Power: 300 watts @ 50Hz into 4 ohms at less than 1% THD+N
Frequency Response (+- 3dB)
Subwoofer Crossover
50-150Hz 24dB/octave low pass

Customer Reviews

Reviewer: Ron Shepherd

It has good fit and finish for an in-cabinet design speaker. Too much port noise at lower frequencies and price is too high for the SPL. Our customer liked the speaker but I would not use in a high end theater room again.

Reviewer: Geeks4Hire

Good Build Quality, Some port noise at lowest frequencies but great woofer for home theater system where customer does not want to see speakers. I would recommend multiple woofers in larger rooms for sure.

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