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New EVO Series amplifiers include high-level inputs, better tuning flexibility.

DAVIE, FLA., March 4, 2019 (MEDIAWIRE) – SounDigital USA introduced more than 800 mobile electronics professionals to the newest versions of its popular EVO series amplifiers during the KnowledgeFest tradeshow and education conference, held February 23-25 at the Long Beach Convention Center in Long Beach, Calif. The 800.4S EVO and 400.4S EVO will replace the 800.4D EVO and 400.4D EVO, respectively. The newer versions of these amplifiers give retailers enhanced flexibility to use EVO amplifiers to improve the performance, headroom and clarity of factory-installed radios.

“The requirement to have back-up cameras on new vehicles means having radios with screens, and since these screens are often set up to display other functions of the vehicle, they cannot easily be removed,” said SounDigital CEO Diogo Ianaconi. “Our new amplifiers are designed to better connect to these factory radios to allow customers to build a personalized audio experience while keeping the familiar factory installed ergonomics.”

Power-wise, the 400.4S EVO and 800.4S EVO share the output capability of their predecessors. Also, like the 800.4D, the 800.4S comes in two-ohm and four-ohm versions. In addition to low-level inputs through RCA-style connectors, the new amplifiers add two connections for four channels of high-level inputs. The high-pass / low-pass / full crossover switch for each pair of channels is now paired with a variable adjustment of 45-850Hz, providing greater precision to match output with the system configuration.

Internally, SounDigital has employed higher-quality components and a new PC board to improve sound quality and noise rejection throughout the entire 2019 product line. In addition, all of the variable adjustments are now flush-mounted into the chassis, eliminating the possibility of accidental movement.

The 800.4S EVO and 400.4S EVO are expected to ship in April, with MSRPs to be announced. For information on the new SounDigital line, visit

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