Part of an emerging lot of audio amps that maintain hi-fi sound during engine turnoff and cranking, the TDA7850LV 4 x 50W power amplifier is the first start/stop-compatible IC of its kind. Soon to be available is a complete family of start/stop audio power amps that will include entry-level class-AB amplifiers, digital devices with diagnostic features, and a class-D family offering higher efficiency. In addition to its start/stop compatibility, the TDA7850LV offers a variety of configurations including vertically or horizontally mounted packages. Other features include an integrated 0.35A high-side driver and protection against common electrical hazards. Price is $5.30 each/1,000. STMICROELECTRONICS, Lexington, MA. (888) 787-3550.