In September 1984, Dr. Christian Heil, a physicist in the field of elementary particles with an interest in acoustics, created an electro-acoustic engineering firm named C.HEIL.TEA, later to be renamed L-Acoustics.

In 1992, Heil and his team developed line source array loudspeakers with their V-DOSC system, using the company's Wavefront Sculpture Technology (WST) theory.

[5] L-Acoustics later introduced other products, including the ARCS Constant Curvature Array (1995), dV-DOSC modular line source (1999), Kudo with K-Louver variable directivity (2005), P Series self-powered coaxials (2006), SB28 subwoofer with laminar vents and LA4 and LA8 amplified controllers (2007).

Distribution of the earliest K1 systems sold was limited to a small number of touring sound companies that agreed to participate in the manufacturer's K1/Kudo Pilot Program,[7] providing feedback to L-Acoustics’ R&D team on its field performance.

[12] In 2023, L-Acoustics launched the L Series during their Keynote at the Hollywood Bowl, a new concept and family of line source arrays offering substantial reduction in weight, size, and set-up time.