For Sale: Bang & Olufsen BeoLab 2 Active Subwoofer Immerse yourself in powerful, cinematic bass with this legendary Bang & Olufsen BeoLab 2 active subwoofer. Designed to handle the deepest frequencies of sound, this unit brings a dramatic touch to both music and movies that you can truly feel. Key Features & Specifications Powerful Performance: Features a built-in 850-watt Class D ICEpower amplifier, delivering clear, distortion-free audio. It's enough power to "shake your neighbors doors off". Acoustic Innovation: Utilizes a unique double balanced passive radiator system (one 9-inch woofer and two 9-inch passive radiators) to produce deep, controlled bass from a surprisingly compact, anti-vibration cast aluminum housing. Frequency Range: Offers an effective frequency range starting as low as 23 Hz, capturing low-end details that other speakers often miss. Iconic Design: The rounded, textured aluminum finish not only looks stunning but also reduces unwanted noise diffractions and reflections, making it a stylish addition to any room.