Boston Acoustics

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2-Way Dual 5-1/4" Floorstanding Loudpeaker that features a High-contrast finish with scratch resistant high gloss panels for stunning good looks and Boston’s 1-inch Kortec® soft dome tweeter for crystalline high frequencies.


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Boasting an innovative design for optimal sound, the Boston Acoustics A 250 Two-Way Dual 5-1/4-Inch Floorstanding Speaker makes an ideal addition to home theater or music systems. This impressively statured floorstanding speaker features internal bracing and a reinforcement disc for enhanced sound quality. A Kortec soft dome tweeter offers crisp, high frequencies, while ceramic/glass fiber polymer woofers deliver more bass response from less amplifier power.

Boston Acoustics A 250 Two-Way Dual 5-1/4-Inch Floorstanding Speaker Product Shot
Floorstanding speaker provides detailed audio for an immersive home theater experience. View larger.
Boston Acoustics A 2310 5.1 Home Theater Speaker System Product Shot
A Series speakers offer smart design features in a contemporary style.
View larger.

Floorstanding Speaker Provides Dynamic Sound
With the A 250 floorstanding speaker, you can enjoy your favorite Blu-ray movies, video games, and music in richly detailed stereo sound. Pair with additional A Series speakers (sold separately) to create an immersive surround sound experience. Each speaker in the A Series incorporates innovative materials and fabrication methods for improved frequency response and enhanced stereo imaging.

Clean, Stylish Design
Offering luxurious quality, each speaker in the A Series is housed in high-contrast finish cabinets with scratch-resistant panels, textured tops, magnetic grilles, and rounded edges for a superior build. The A Series' sleek design looks great alongside any room's decor.

Soft Dome Tweeter Offers Crisp High-Frequency Detail
Boston's 1-inch Kortec soft dome tweeter delivers clear high-frequency response, making movies come alive and vocal performances sing with clarity.

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A 250 Two-Way Dual 5-1/4-Inch Floorstanding Speaker
At a Glance:
  • High-contrast finish with scratch-resistant high-gloss panels for a stylish design
  • Boston's 1-inch Kortec soft dome tweeter for crystalline high frequencies
  • Advanced ceramic/glass fiber polymer woofers with Deep Channel Design (DCD) deliver more bass from less amplifier power
  • Acoustically tuned ports with internal bracing for improved low-frequency response
  • Easy 5-way gold-plated binding posts provide flexible hook-up and the purest signal transfer
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Boston Acoustics A 2310 5.1 Home Theater Speaker System Product Shot

Deep Channel Design maximizes bass. View larger.
Boston Acoustics A 2310 5.1 Home Theater Speaker System Product Shot
Speaker cabinet features internal bracing for a cleaner sound.
View larger.

Woofer Design Reduces Distortion
Each A Series 5-1/4-inch woofer uses Deep Channel Design (DCD) magnet structures to deliver more bass from less amplifier power, resulting in a fuller, cleaner sound. The A Series woofers feature ceramic and glass fiber polymer cones that help to reduce distortion for improved clarity.

Innovative Cabinet Shape Improves Stereo Imaging
All A Series cabinets use a tuned resonant port design to magnify the woofer's sound output for improved low-frequency response and stereo imaging. The A 250 incorporates a fully sealed diagonal internal panel for tighter, cleaner midrange and bass.

Binding Posts Make Installation Easy
Five-way gold-plated binding posts offer plenty of flexibility, making installation easy. The binding posts' large contact surface allows for an especially pure signal transfer.

The Goal of the A Series
Boston's A Series speakers are ideal for either multichannel home theater or stereo-only music systems and may be used in any configuration for other listening applications.

Boston Acoustics creates all of its speakers following the Play Smart approach to product design--sensible, useful, smart design features combined with contemporary styling. To deliver the best performance possible in this price class, Boston's engineers brought together the best elements of traditional loudspeaker design, incorporating several new technologies into the A Series.

Boston's engineers utilized Laser Vibrometer Scanning and Finite Element Analysis (FEA) to identify unwanted resonances in the loudspeaker with the goal of eliminating them to greatly improve performance. The elimination of hardware on the cabinet's front baffle and rounded front edges further improve driver performance for improved stereo imaging.

The Boston Acoustics A 250 two-way dual 5-1/4-inch floorstanding speaker is backed by a five-year warranty, subject to the full warranty terms and conditions.

What's Included
One A 250 two-way dual 5-1/4-inch floorstanding speaker and instructions.


Frequency Range (±3dB)
45Hz – 25kHz
Recommended Amplifier
15 – 175 watts
89dB [SPL/2.8V at 1m]
Nominal Impedance
8 ohms
Crossover Frequency
Dual 5-1/4” (133mm) DCD ceramic/glass fiber polymer woofer
High-Frequency Driver
1” (25mm) Kortec Soft Dome
Dimensions (H x W x D)
35-1/8 x 12-5/8” x 8-7/8” (891 x 319 x 225mm)
29.30 lbs (13.29Kg)

Customer Reviews

Reviewer: Chris

Great sound quality. I have these powered by a Yamaha rx-a700 and couldn't be happier with the clarity. It's a product I would recommend and purchase again.

Reviewer: Matome

I bought a pair of Boston Acoustic A250 floorstanders last week and listening to them is a great experience. They are supplied with good currency from NAD C725 Stereo Receiver and the crisp sound with deep bass and less-shy midrange makes them superior to their peers. I am patiently waiting for the recoommended 50 hour period for them to perform at their peak.

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