
MartinLogan Foundation Series products redefine affordability by incorporating many of MartinLogan's renowned high-performance technologies at accessible prices. Leveraging 40 years of design and engineering prowess and offering MartinLogan’s renowned thin-film performance, Motion Foundation is a gateway into the world of true hi-fi sound. With a choice of 5 different models in 3 different finishes, Motion Foundation speakers are an ideal foundation for building a high performance Stereo or Surround sound system. Bringing high end performance to a wider audience, Motion Foundation offers incredible immersion for all your favorite content. Motion Foundation speakers feature the incredible performance of the Gen2 FMT S, bringing much of the same performance found in our/their larger siblings, in a more compact and affordable package. This high-performance tweeter is paired with a custom Folded Motion Waveguide offering consistent, smooth, and controlled sound across the listening space delivering incredible performance in every seat while also reducing some of the harmful effects of room acoustics. Rounding out the sound are specially designed aluminum woofers for both the midrange and bass drivers offering robust and detailed performance across the board. Motion Foundation models are available in 3 elegant finishes to compliment any decor: Black, Satin White, and Walnut.
Q: What is the size of the midrange driver?
A: The midrange driver is 6.5 inches.
Q: What is the weight and dimensions of the speaker?
A: The Motion Foundation B2 speaker weighs 15 pounds and measures 15.01 inches high, 7.75 inches wide, and 11.49 inches deep.
Q: What is the sensitivity of the speaker?
A: The sensitivity of the speaker is 90 decibels.
Q: What is the minimum frequency response of the speaker?
A: The minimum frequency response of the speaker is 42 hertz.
A: Larger woofer always makes more low end more available as long as the driver is capable. In this case it is. B2 has a very good balance from low to high end, especially in its price range. I've heard both extensively and myself went with the B2. The more range and headroom you give yourself the better.

MartinLogan Foundation Series products redefine affordability by incorporating many of MartinLogan's renowned high-performance technologies at accessible prices. Leveraging 40 years of design and engineering prowess and offering MartinLogan’s renowned thin-film performance, Motion Foundation is a gateway into the world of true hi-fi sound. With a choice of 5 different models in 3 different finishes, Motion Foundation speakers are an ideal foundation for building a high performance Stereo or Surround sound system. Bringing high end performance to a wider audience, Motion Foundation offers incredible immersion for all your favorite content. Motion Foundation speakers feature the incredible performance of the Gen2 FMT S, bringing much of the same performance found in our/their larger siblings, in a more compact and affordable package. This high-performance tweeter is paired with a custom Folded Motion Waveguide offering consistent, smooth, and controlled sound across the listening space delivering incredible performance in every seat while also reducing some of the harmful effects of room acoustics. Rounding out the sound are specially designed aluminum woofers for both the midrange and bass drivers offering robust and detailed performance across the board. Motion Foundation models are available in 3 elegant finishes to compliment any decor: Black, Satin White, and Walnut.

Experience audio excellence with the Bowers & Wilkins 606 S3 2-Way Bookshelf Loudspeakers, built upon the award-winning 606 formula. Boasting a Titanium Dome tweeter with acoustically transparent tweeter grille mesh, it delivers exceptional resolution and insight for smooth, refined high-frequency reproduction. The sophisticated design combines the Titanium Dome tweeter with the acclaimed Continuum bass/midrange cone, striking the perfect balance between accuracy, transparency, and warmth. Improved speaker terminals ensure a cleaner signal path between your amplifier and loudspeaker, providing pure, precise audio transmission. It also includes Foam Plug and Rubber Feet. Enjoy an unmatched audio journey with these sophisticated loudspeakers, designed for larger rooms and home theaters. Its room-filling audio is courtesy of the bass drivers, while the enhanced Continuum cone guarantees seamless performance and eliminates distortions. Drawing tech from the award-winning 800 Series Diamond range, the 606 S3 offers an unparalleled audio experience. The Bowers & Wilkins 600 Series introduces audio innovation with superior audio components integrated into its speaker. Being a perfect choice for dedicated audiophiles, film enthusiasts, and music fans, this series elevates the listening experiences with precise, captivating sound, delivering unforgettable audio.

MartinLogan Foundation Series products redefine affordability by incorporating many of MartinLogan's renowned high-performance technologies at accessible prices. Leveraging 40 years of design and engineering prowess and offering MartinLogan’s renowned thin-film performance, Motion Foundation is a gateway into the world of true hi-fi sound. With a choice of 5 different models in 3 different finishes, Motion Foundation speakers are an ideal foundation for building a high performance Stereo or Surround sound system. Bringing high end performance to a wider audience, Motion Foundation offers incredible immersion for all your favorite content. Motion Foundation speakers feature the incredible performance of the Gen2 FMT S, bringing much of the same performance found in our/their larger siblings, in a more compact and affordable package. This high-performance tweeter is paired with a custom Folded Motion Waveguide offering consistent, smooth, and controlled sound across the listening space delivering incredible performance in every seat while also reducing some of the harmful effects of room acoustics. Rounding out the sound are specially designed aluminum woofers for both the midrange and bass drivers offering robust and detailed performance across the board. Motion Foundation models are available in 3 elegant finishes to compliment any decor: Black, Satin White, and Walnut.

Set the mood in your home via music with these Klipsch speakers. The wood-grain vinyl exterior imparts a touch of sophisticated elegance to a room, while the Tractrix Horn technology provides clear, vibrant and rich musical tones. The titanium tweeter on these Klipsch speakers dampens high-frequencies to facilitate crisp, natural sound.
| Pros for MartinLogan - Motion Foundation B2 2-Way Bookshelf Speaker with 6.5” Midbass Driver (Each) - Black | |||
|---|---|---|---|
| Sound Quality | Sound Quality | Sound Quality, Size | Sound Quality, Size, Bass, Price, Appearance |
Customers are satisfied with the Motion Foundation B2 bookshelf speakers' sound quality. Many appreciate the well-balanced audio, from high to low frequencies, and the detailed sound reproduction. Reviewers frequently highlighted the excellent mid-range and decent bass response. The speakers are described as sounding great overall.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
This bad boy kicks and goes loud plenty, the tweeter is more of a sharper detailed type of high level speaker and if thats what your looking for then get this.
Alex Posted
Great Speakers Great Sound Great Size Great Price Great Product
This review is from MartinLogan - Motion Foundation B2 2-Way Bookshelf Speaker with 6.5” Midbass Driver (Each) - Satin White
KumarS Posted
The sound I was looking for. Crispy High and mid with heavy base.
SertzaiW Posted