TRUE SOUND WITH DOLBY ATMOS® Yamaha’s True Sound engineering draws on all we know about sound and sound field creation, now further enhanced with Dolby Atmos® ensuring you are fully immersed in the extraordinary universe of movies and music. EXPERIENCE THE UNIQUE WORLD OF SURROUND SOUND From intense action scenes to absorbing dramas, enjoy and bask in the latest cinematic experience that fills every corner of your room with expressive sound. With its precision-crafted speakers and advanced high-quality audio reproduction technology, the sound field created by the SR-B40A envelops you and transports you deeper into the story as it unfolds on screen. TRUE SOUND JUST FOR YOU Newly designed tone controls (via our dedicated app) allow you to tweak the sound to your own taste while staying true to the content. What you get is an expansive sound field with ideal tonal balance in which every element of the sound shines with stunning clarity, enhancing the unique qualities of all your entertainment THRILLING ROOM-FILLING BASS For an overwhelming sense of floor-trembling realism right in your own living room, the wireless subwoofer expertly creates the low-end punch and texture you need, to put you right in the heart of the action.   Specifications: TRUE X BAR 50A Front Surround System General Drivers Front L/R: 4.6 × 6.6 cm (1-3/4 × 2-5/8") cone × 2, Height L/R: 5.2 cm (2") cone × 2, Built-in Subwoofer: 7.5 cm (3") cone × 2 Subwoofer: 16 cm (6-1/4") cone Output Power 280 W (Front L/R: 30 W × 2-ch, Height L/R: 30 W × 2-ch, Built-in subwoofer: 30 W × 2, Subwoofer: 100W ) Power Consumption Center unit: 36 W, Subwoofer: 18 W Standby Power Consumption 0.5 W (HDMI control off, Bluetooth® standby off), 2.0 W (HDMI control on, Bluetooth® standby off), Subwoofer: 2.0 W Dimensions (W x H x D) Center unit: 1,015 × 63 × 112 mm (40" × 2-1/2" × 4-3/8"), Subwoofer: 187 ×