COMPATIBLE SONY SOUNDBARS, HOME THEATER SYSTEMS & RECEIVERS: BRAVIA Theater QUAD, BRAVIA Theater Bar 9, BRAVIA Theater Bar 8, BRAVIA Theater Bar 7, HT-A7000, HT-A5000, HT-A3000, and STR-AN1000. BASS THAT ELEVATES EVERY MOMENT: A 200 mm aluminum driver delivers deep, impactful bass with extended low-frequency response, adding richness and precision you can feel while bringing greater depth and immersion to every scene. ROOM-FILLING BASS. DUAL SUBWOOFER PLAYBACK: Connect two Sub 8 units (sold individually) for increased sound pressure and more stable, balanced low frequencies throughout the room. TWO WAYS TO POSITION: The dual-orientation subwoofer offers flexible placement options, complementing any room layout for a sleek, cohesive look. SEAMLESS, REFINED DESIGN: Clean lines and hidden cable management create a sophisticated, clutter-free look in your space. DO IT ALL WITH BRAVIA CONNECT APP: Easily control the Sub 8 from your smartphone. The BRAVIA Connect app guides you through initial setup and lets you adjust volume, sound field, sound optimization, and more. EFFORTLESS CONTROL WITH BRAVIA TV: Control bass sound easily with your BRAVIA TV remote. Sound settings automatically appear on the BRAVIA Quick Settings menu for easy control of features, like Sound Field and volume.