Boston Acoustics A25 Bookshelf Speakers (Pair)



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Boston Acoustics A25 can be used in a two-channel music system, as surrounds in a multichannel home theatre, or as front speakers with the A225 Centre Speaker. These versatile bookshelf speakers are compact enough to sit comfortably on virtually any shelf, stand or table top.

Delivering premium sound in a compact design, the Boston Acoustics A 25 Two-Way 5-1/4-Inch Bookshelf Speaker makes an ideal addition to home theater or music systems. This powerful bookshelf speaker features internal bracing and a reinforcement disc for enhanced sound quality. A Kortec soft dome tweeter offers crisp, high frequencies, while a ceramic/glass fiber polymer woofer delivers more bass response from less amplifier power.

Bookshelf Speaker Delivers Powerful Sound

With the A 25 bookshelf 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.

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 25 incorporates a wooden reinforcement disc to reduce distortion for a cleaner sound.

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.


Frequency Range (±3dB) – 55Hz 25kHz
Recommended Amplifier – 10 150 watts
Sensitivity – 89dB [SPL/2.8V at 1m]
Nominal Impedance – 8 ohms
Crossover Frequency – 2,400Hz
Woofers – 5-1/4 (133mm) DCD ceramic/glass fiber polymer woofer
High-Frequency Driver – 1 (25mm) Kortec Soft Dome
Dimensions (H x W x D) – 10-11/16 x 7-1/4 x 8-7/8 (271 x 183 x 225mm)
Weight – 10.10 lbs (4.58Kg)