DaVinci Group Launches Versatile Audio Products The DaVinci Group has announced three new home audio products. By RS Staff Published: June 29, 2016 ⋅ Updated: April 15, 2019 The OLS-SUB Outdoor Landscape Subwoofer from The DaVinci Group The DaVinci Group (TDG) has announced three new home audio products. These include two Vanguard Dynamics models—the OLS-SUB Outdoor Landscape Subwoofer and the SDA-200 Digital Subwoofer Amplifier—and the Blue Aura V40 Hybrid Tube Amplifier with Bluetooth. The DaVinci Group offers an extensive line of products that are sold under three distinct brands: TDG Audio, Vanguard Dynamics, and Blue Aura. The SDA-200 Digital Subwoofer Amplifier from The DaVinci Group The DaVinci Group has experienced growth in the sales of outdoor landscape AV products, and the company now further expands its offerings with the new Vanguard Dynamics OLS-SUB subwoofer. The OLS-SUB can be mounted above ground or partially buried, depending on the requirements of the jobsite or the desires of the system designer. With a 10-inch polypropylene woofer and a 200-watt power handling capability, the OLS-SUB has a durable all-weather design that should look and sound good years after the initial installation. And like many products from The DaVinci Group, the OLS-SUB comes with a lifetime warranty. The Blue Aura V40 Hybrid Tube Amplifier from The DaVinci Group The company is also launching the Vanguard Dynamics SDA-200 Digital Subwoofer Amplifier. This amp features 200 watts of Class-D mono power, a built-in variable crossover, a high pass crossover, and variable phase control. And yet all of these features and quality are packed into a slim 1U rack mount.