Very Good condition, 7/10, Made in China, no adapter included, price brand new was 5995SEK (about 650USD), from online: A surprising number of songs trick other harmonizers because these songs just don t work with a single key/scale setting. In fact, any song that has the same note sung over two different chords (for example, a C sung in the melody over a C maj / F maj chord sequence) is going to confound conventional harmonizers.The Live 4 uses breakthrough musIQ technology to directly analyze the output of any electric or pre-amplified acoustic guitar (no special MIDI guitars or hex-outputs needed). Then it generates the correct vocal harmony. For example, if you re singing an A over the chords that are generally found in the key of G, Vocalist will harmonize with a C. But, if you then play an A major, Vocalist will shift to the C#.because like any good harmony singer, it listens to the guitar! With musIQ, forget about the technology - just sing and play! Skip complicated programming and having to analyze each song chord-by-chord; just1. Plug in your microphone and guitar;2. Pick a 3rd or 5th-above or below harmony preset;3. Sing and play - when you want harmony, just step on the footswitch!musIQ Makes the Live 4 So Easy To UsemusIQ is a revolutionary technology that eliminates the need program a song s key or changes to create accurate harmonies. musIQ analyzes your lead vocals as well as the chords and notes played on a guitar in real-time to automatically generate perfect vocal harmonies. Simply plug into the Live 4, play your guitar and sing. The musIQ technology will ensure the harmonies are always right on.musIQ is a registered trademark of 3dB Research Ltd.Featuresup to 4 intelligent harmony voices added to your voice for 5-part vocal harmony with no programming or learning curve - just sing, play and let Vocalist Live 4 s groundbreaking musIQ technology do the restSelectable voicing: unison, 3rd, 5th-above or below your lead vocalBuilt-in mixer with Vocal, Harmony and Guitar level controlsPitch correction with four adjustable parametersGuitar Reverb and Chorus with four adjustable parametersVocal enhancement effects matrix lets you adjust up to five parameters of Preamp, Compressor/Gate, EQ, Lead Effects, Harmony, Reverb, Echo Delay and Guitar effectsStore and recall up to 50 User presets; and select from 50 Factory presets2+10-character LED displayMajor/Minor and Key Change Up/Down buttons with LED displayMajor/Minor and Key Change Up/Down buttons with LED displayOn-board guitar tunerXLR mic /line input with level adjustment, low-noise high-headroom preamp and 48V phantom power1/4 guitar input, 1/4 guitar pass-through and Ground Lift switch1/4 line input and 1/8 AUX input for CD or MP3 players1/8 headphone jackStereo 1/4 line out and balanced stereo XLR line outsStereo/mono output selectorRoad-rugged, all-metal chassis