-What impact or effect types available?

+ All pairs of effects like Filter Filter + + Delay or Reverb.

-Are they editable? Via an editor for Mac / PC?

No.

-What is the connection? (Audio / MIDI)

Cinch (RCA)

UTILIZATION

-The general configuration is simple?

Simpler you die.

-The manual is clear and sufficient? ...

Personally I have not in Japanese but need manual.

SOUND QUALITY

The effects-are they effective, responsive and realistic enough?

While the filters are not too bad. But some effects can you slay a dj set mix.
I advice to know its effects before doing anything.

-Which instruments do you use?

Numark HDMIX + Mini KP-10db output master so 22 + ALLEN & HEATH.

-Which ones do you prefer, you hate?

+ + Filter the mixture some
- The disto ...

OVERALL OPINION

-How long you use it?

3 days

-How would you rate the quality / price? With experience, you do again this choice? ...

Very affordable price. In the future I would look to Pioneer EFX 1000