Line 6 is a manufacturer of digital

Digital

A digital system is a data technology that uses discrete values. By contrast, non-digital systems use a continuous range of values to represent information...

 modeling guitars, amplifiers (amplifier modeling

Amplifier modeling

Amplifier modeling is the process of digitally emulating a physical amplifier such as a guitar amplifier. Amp modeling may appear as software, such as plugins for DAWs which may be aided by computer hardware accelerators, or may be part of a standalone device or amplifier...

) and related electronic equipment. Their product lines include electric

Electric guitar

An electric guitar is a guitar that uses the principle of direct electromagnetic induction to convert vibrations of its metal strings into electric audio signals. The signal generated by an electric guitar is too weak to drive a loudspeaker, so it is amplified before sending it to a loudspeaker...

 and acoustic guitars, basses

Bass guitar

The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....

, guitar and bass amplifiers

Instrument amplifier

An instrument amplifier is an electronic amplifier that converts the often barely audible or purely electronic signal from musical instruments such as an electric guitar, an electric bass, or an electric keyboard into an electronic signal capable of driving a loudspeaker that can be heard by the...

, effects processors, USB audio interfaces and guitar/bass wireless systems. The company was founded in 1996 and is based in Calabasas, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

.
Marcus Ryle and Michel Doidic (two former Oberheim

Oberheim

Oberheim Electronics is an American company, founded in 1969 by Tom Oberheim , which manufactured audio synthesizers and a variety of other electronic musical instruments.-Oberheim Electronics:...

 designers) had co-founded Fast-Forward Designs, where they helped develop several notable pro audio products such as the Alesis

Alesis

Alesis is a company based in Cumberland, Rhode Island, that designs and markets electronic musical instruments, digital audio processors, audio mixers, digital audio interfaces, recording equipment, drum machines, professional audio and electronic percussion products...

 ADAT

ADAT

Alesis Digital Audio Tape or ADAT is a magnetic tape format used for the simultaneous digital recording of eight analog audio or digital audio tracks at once, onto a Super VHS tape that is used by consumer VCRs.- History :...

, Quadraverbs and QuadraSynth, and Digidesign

Digidesign

Avid Audio is an American digital audio technology company. It was founded in 1984 by Peter Gotcher and Evan Brooks. The company began as a project to raise money for the founders' band, selling EPROM chips for drum machines. It is a subsidiary of Avid Technology, and during 2010 the Digidesign...

 SampleCell.