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Boston Acoustics

Boston Acoustics M350B Floorstanding Loudspeaker, 45Hz - 30KHz Frequency Response, 90 dB Sensitivity, 4.5" Mid-Frequency Driver, Single

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About the Boston Acoustics M350B

The Boston Acoustics M350B Floorstanding Loudspeaker is transparent, dynamic and creates sonic images with clarity. And, because it has uses four smaller woofers rather than one or two larger woofers, the cabinet remains slim and elegant. It is also designed to integrate easily in a wide range of home decor utilizing shapes and materials that are both modern yet classic.

The M350B has a cabinet made of Lo-Q, a material consisting of two pieces of medium-density fiberboard joined together with a thick layer of damping adhesive in the middle. This material significantly reduces cabinet vibrations to virtually eliminate unwanted resonances allowing the M350B to create a larger, more vivid soundstage. Lastly, the M350B has a slightly raised pedestal that makes the speaker seem to float effortlessly, just above the floor.

Boston Acoustics M350B Includes

  • Boston Acoustics M350B Floorstanding Loudspeaker
  • Speaker Spikes
  • Owner's Manual
  • Boston Acoustics 5 Years Limited Warranty

Boston Acoustics M350B Features

  • Clear, Natural Sound for Music, Movies and More: The M350B Floorstanding Loudspeaker is equipped with Boston's signature 1" (2.5 cm) Extended Wide Bandwidth (EWB) dome tweeter, which is designed to cover a broad range of frequencies, reduce distortion and improve clarity in the high registers
  • Smooth Bass Response: A 5.25" (11.4 cm) polypropylene midrange employs mass loading to dampen harmful resonances and achieve a smoother frequency response at the top of the driver's range
  • Lo-Q Construction to Limit Vibrations: The M250 has a cabinet made of Lo-Q, a material consisting of two pieces of medium-density fiberboard joined together with a thick layer of damping adhesive in the middle
  • Polypropylene midrange with mass loading provides smooth overall response with minimal coloration in the critical midrange frequencies
  • Polypropylene woofers are lightweight and rigid with large motor structures for maximum low frequency output and heat dissipation
  • Rounded cabinet design with premium quality finish
  • Solid aluminum standoffs
  • 5-way gold-plated precision binding posts
  • High quality crossover network filter circuit boards and components

Boston Acoustics M350B Specifications

Nominal Impedance Compatible with 8 ohm outputs
Power 50-350W
Crossover Frequency 390Hz, 3100Hz
Driver High-Frequency: 1" (2.5 cm) EWB Dome
Medium-Frequency: 4.5" (11.4cm) Mass Loaded Polypropylene Cone
Low-Frequency: 4 x 5.25" (13.3cm) Polypropylene Cones
Sensitivity 1W (2.83V) at 3.3' (1 m): 88 dB
Frequency Response 45Hz-30KHz (±3dB)
Dimensions (HxWxD) 42.40x9.60x12.20" (107.60x24.50x31.00cm)
Weight 55.90lbs (25.40kg)
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