The BASS 9 Bass Machine transforms the guitar sound into 9 different bass sounds without the need for special pickups, MIDI or modification. BASS 9 has also been used in the 9 series, including the popular MEL9 Tape Replay Machine. Not only does the same technology utilize the BASS9 include new algorithms that replace 1 to 2 octaves while maintaining excellent dynamics and tracking. You can choose your favorite sound from the following sound using the rotary switch. PRECISION: A sound that honors the iconic Fender P Bass LONGHORN: Danelectro 6-string bass emulates sound perfect for bariton type tones FRETLESS: Electric fretless bass and light up bass sounds SYNTH: tribute sound to classic Taurus synthesizers VIRTUAL: Various bass recorded in this mode Sound based body Adjustable thickness and neck length. BOWED: Classic bowed bass (contrabas/wood base). SPLIT BASS: You can use the bass string of the guitar (F3# or less) to play bass sounds. At the same time, you can use the guitar treble string to attach chorus and melodies. 3:03: Pays tribute to Roland TB-303 vintage synthesizers with polyphonic compatibility. FLIP-FLOP: Electro-harmonix Octave Multiplexer is inspired by the theory of the 70s who resolved truck failure. The BASS 9 has independent volume controls of Effect/Dry and EEFFECT OUTPUT jacks for precise mixing balance. DRY OUTPUT jack delivers a dry sound of unity gain. The CTRL 1 and 2 are designed to adjust specific parameters for each of the nine programs. For example, for PRECISION, the CTRL 1 controls the suboctave and the CTRL 2 reproduces the original musical instrument tone.