Unique Design - The rear speaker stands come with 2 sets of trays, specially designed for SONOS ERA 100 speaker and Sonos One, On SL, Play:1. The black metal tube and tempered glass base is sleek and modern to fit the style of Sonos speakers.. Height Adjustment - This surround speaker stand can adjust height from 35" to 43.4" for maximum ear-level listening experience. A great choice for your home theater entertainment system.. Smooth Motion - The TV mount with 8 ball bearings design and enhanced arm hinge provides smoother motion to effortlessly extend up to16.3" and swivel +/-45°. Feel free to move your ultra light and slim flat curved TVs without harm. Flexible Viewing Angle - Articulating TV wall brackets tilt +5°/-13° to reduce screen glare, level +/-3° after installation to eliminate error and retract back to 2.4" for a low-profile look. With unique arm clamps design, it lock TV against wall and prevent heavy TV sliding out. Secure Mounting - Universal wall mount fits most 37-82" OLED/QLED/LCD/Plasma TVs up to 100 LBS with VESA from 150x100mm(6"x4") to 600x400mm(24"x16"), fitting Max 16" wood studs spacing. Reinforced wall plate and strong 6 arms add reliable strength to hold your TV over time.