The di performs level matching balancing and either active buffering or passive impedance bridging to minimize noise distortion and ground loops.
Active di box for acoustic guitar.
Dis do not perform impedance matching.
Being portable it s powered by a 9v battery up to 200 hours but it can also run off 48 phantom power.
Although many modern dis are far more.
And active dis can be designed to be extremely quiet hi fi and transparent tonally.
An active di box includes a preamplifier to provide a stronger signal and higher input impedance.
The pz di is a high performance specialized active direct box designed to accommodate acoustic and orchestral instruments with a selectable input impedance that can accommodate magnetic pickups or piezo transducers and a variable low cut filter.
On top of all this this active di box can be powered with phantom power a separate adapter or a 9v battery.
For acoustic electric guitars and electric basses active dis can add high frequency brilliance which is certainly a plus for slap style bass playing and bringing out attack information to aid tonal definition.
Some people claim to prefer the para driver difor bass though it s more focused on.
These days there are excellent passive and active di boxes.
What is a di box.
This means that it can handle lower level signals and still sound good.
It is primarily known as being great for live acoustic guitar performances as it pairs perfectly with acoustic pickups but works well in the studio also.
This rack mounted box can be used for driving up to seven amplifiers at once during live gigs or for channeling your signal to different pedals onstage or in the studio.
Direct boxes aren t just for guitarists either.