Among SPL's most celebrated developments are the patented Vitalizer® sound-optimization processing, the first-ever level-independent dynamic processor known as the Transient Designer, the 5.1 microphone system Atmos, as well as compact monitor controllers and channel strips.

The development of the SUPRA op amps by SPL allowed analog signal processing to outperform the best digital processing in terms of quality. These op amps, which make use of the unsurpassed 120-volt technology, were first used on the MMC mastering console. Ever since, the 120-volt technology has become a quality trademark of SPL products, including the Phonitor headphone amplifiers. More recently, SPL stormed the USB and MADI audio interface market with the introduction of the Crimson and Madison interfaces.

Its collaboration with German company Brainworx resulted in the Analog Code plugins, which translate to the digital realm the same quality expected from all SPL products. This relationship has led SPL to become a member of the Plugin Alliance.

With the Car Vitalizer app, SPL entered the smartphone market and redefined the concept of audio enhancement inside a car — without the need of any additional hardware or expertise. This know-how has allowed SPL to license its technology to major players in the auto industry.

SPL Attacker Plus
SPL De-Esser Dual-Band
SPL De-Esser
SPL De-Verb Plus
SPL DrumXchanger
SPL EQ Ranger Plus
SPL HawkEye
SPL IRON
SPL Mo-Verb Plus
SPL Passeq Single
SPL Passeq
SPL PQ
SPL Transient Designer Plus
SPL TwinTube
SPL Vitalizer MK2-T

home page: https://www.plugin-alliance.com/en/brand/spl.html

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