STYLISH DESIGN: The rear speaker stand is specially designed for SONOS ONE, One SL, Era 100 and SONOS Play:1, which is also sleek, elegant and matches the aesthetic of SONOS speakers. HEIGHT ADJUSTMENT: The surround speaker stand with extendable tube allows to adjust height from 39.6" to 49.1" for optimum listening experience. Perfect for your home/theater entertainment system. SUPERIOR CORD CONCEALMENT: The sonos speaker stands support speaker while hide and run cables with the cable hole(0.8" W x 1.7" H), which completely conceals the cords at the back and provide a clean and elegant look in your house. STABLE AND HEAVY DUTY: The bookshelf speaker stand made with high quality steel is strong and reliable with the 11 x 11 inches wide base increasing the stability to keep your speaker balanced and safe. This speaker holder is able to adjust the height from 39.6" to 49.1" according to your listening area to enjoy better surround sound. Specially Designed for SONOS: This speaker stand exclusively fits SONOS One, One SL, Era 100 and Play:1 with slot and clamp installation, which is easy and harmless to your speaker. Heavy Duty to Last Forever: Rear speaker stand made with steel is able to support speaker up to 13.2 LBS. Large 11 inches base is extra strong enough to keep the speaker safe and steady. Cable Management: The bookself speaker stand with built-in cable management hides the speaker wires out of sight for a neat appearance and avoids clutter. Tips for Installation: If the top plate is not align with the bottom base, simply loose the height adjustable knob, then spin the upper tube to get it aligned.