How to gain the Divine
Hearing Element?

The Blessed Buddha once said:
When a Bhikkhu develops the The Feet of Force, that is enriched with
concentrated desire,
concentrated energy, concentrated thought &
concentrated investigation,
all constructed
by effort, by thinking:
In this
way will my desire, energy, thinking and investigating neither
be too
slack, nor too tense, it will neither be constricted internally,
nor scattered externally,
then he dwells experiencing both what is
in
front & what is behind, so above, so also below,
so by day, so also
at
night! Therefore, with a mind that is all open & unrestricted, he
develops
the dazzling bright mind, which is pervaded by its own luminosity...
When the 4 feet of suprahuman force have been developed, refined
and cultivated in exactly
this way, then the Bhikkhu possesses the various
kinds of suprahuman force: With
the divine
ear element, which is
purified and surpasses the human, he hears both divine and human
sounds,
both those that are far away, as well as those that are near.

About
Abhiññā:
The
6 suprahuman forces, higher powers, or supernormal knowledge's see:
https://What-Buddha-Said.net/library/DPPN/wtb/a/abhinna.htm
More
on the 4 Feet of Suprahuman Force!
https://What-Buddha-Said.net/library/DPPN/wtb/g_m/iddhi_paada.htm
https://What-Buddha-Said.net/drops/IV/Suprahuman_Force_I.htm
https://What-Buddha-Said.net/drops/IV/Suprahuman_Force_III.htm
https://What-Buddha-Said.net/drops/IV/Suprahuman_Force_IV.htm
https://What-Buddha-Said.net/drops/IV/Suprahuman_Force_V.htm
https://What-Buddha-Said.net/drops/IV/Desire_as_Way_to_Force.htm
https://What-Buddha-Said.net/drops/IV/Energy_as_Way_to_Force.htm
https://What-Buddha-Said.net/drops/IV/Thinking_as_Way_to_Force.htm
https://What-Buddha-Said.net/drops/IV/Investigation_as_Way_to_Force.htm

Source (edited extract):
The Grouped Sayings of the Buddha.
Samyutta Nikāya. [V:265-66]
section 51: The 4 Forces: Thread 11: Shaking The Mansion.