MartinLogan Motion Foundation B2 Bookshelf Speakers (Satin White, Pair)

MartinLogan Motion Foundation B2 Bookshelf Speakers (Satin White, Pair) Experience the legendary MartinLogan sound in a compact, room-friendly package. The Motion Foundation B2 bookshelf speaker delivers audiophile-grade performance with its signature Folded Motion® tweeter — the same technology found in MartinLogan's flagship models — paired with a precision-tuned 5.5" aluminium cone woofer. Whether anchoring a stereo system or serving as surround channels in a home theatre, the B2 rewards listeners with effortless detail, wide dispersion, and a soundstage that belies its modest footprint. Finished in a sleek Satin White cabinet, the B2 integrates beautifully into modern living spaces. Sold as a matched pair. Key Features Folded Motion® Tweeter — ultra-low mass diaphragm for lightning-fast transient response and exceptional high-frequency clarity 5.5" Aluminium Cone Woofer — rigid, lightweight cone for accurate, dynamic bass reproduction Bass-Reflex Cabinet — rear-ported enclosure extends low-frequency output and efficiency Wide Frequency Response — 60 Hz to 20 kHz (±3 dB) for full-range musical reproduction 4 Ohm Nominal Impedance — compatible with a wide range of amplifiers and AV receivers Magnetically Attachable Grille — clean, tool-free grille removal for a refined aesthetic 5-Way Binding Posts — accept bare wire, banana plugs, and spade connectors Specifications Specification Value Tweeter Folded Motion® (1.4" × 2.0" radiating area) Woofer 5.5" Aluminium Cone with Non-resonance Basket Frequency Response 60 – 20,000 Hz (±3 dB) Sensitivity 92 dB / 2.83V / m Nominal Impedance 4 Ohms Recommended Amplifier Power 20 – 150 Watts per channel Crossover Frequency 2,800 Hz Crossover Topology 2nd-order electro-acoustic Enclosure Type Bass-Reflex (Rear-Ported) Dimensions (H × W × D) 295 × 175 × 235 mm (11.6" × 6.9" × 9.3") Weight (each) 5.9 kg (13 lbs) Finish Satin White Grille Magnetically Attachable, Black Cloth Binding Posts 5-Way Gold-Plated Sold As Pair MPN MLFB2W Google Product Category Electronics > Audio > Speakers (ID: 249)