FREQUENTLY ASKED QUESTIONS (FAQs)
FREQUENTLY ASKED QUESTIONS (FAQs)
Q: What is a direct injection box (DI)?
A: In general, a direct injection box or DI, in short, is an impedance-matching and signal-balancing device. DI
converts high impedance (hi-Z) instrument signal to microphone-level (low-Z) balanced line for interface with
professional audio e uipment such as mixing console. A good DI will ensure proper electrical signals are
maintained throughout the signal chain and allow long cable runs without added noise. A good DI box is as
important as a good microphone.
Q: What is an active direct box (DI)?
A: An active DI relies on amplifier circuity that re uires power. It must either run on batteries, +48V DC
phantom power from the mixing console or use an external power source like an AC/DC supply. When the
power is low, there will be distortion. If you run an active DI on batteries, ensure that the batteries are at full
charge. This is most often impractical, if not impossible.
Q: Are active direct injection boxes better?
A: Both active DI and passive DI have their place in professional audio, just like a condenser and dynamic
microphones do. An active DI can have louder output and as described before may have sound coloration
and distortion as an active DI is power-dependent. Passive DI tends to sound more natural and less colored
than active DI.
Q: What are the benefits of using GECKO® AYERS ROCK DI?
A: The GECKO® AYERS ROCK DI gives you a clean, balanced, C.R.I.S.T.A.L.® Audiophile PreAmps
enhanced, low-Z microphone-level output. With its fre uency response of 10Hz ~ 25kHz, the GECKO®
AYERS ROCK DI is able to cater to a wide range of signals processing and applications. The GECKO®
AYERS ROCK DI does not re uire any form of power to function and is practically maintenance-free.
Imagine the savings you will get in the long run from not having to buy batteries and no need to pay for
electricity use on the DI! Imagine if your mixing console lifespan is prolonged because you offload its burden
by not using its +48V DC phantom power, that is some real savings there!
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