Boom 22. A noise wave at 440 Hz, originating from Urban Grid. Recorded in a underwater environment, era: 1990s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3090 — Boom 22
ID#3090
Rarity
MID:31%
Frequency
440 Hz
X-HI:7%
Wave Type
Noise
X-HI:6%
Resonance
Crystalline
X-HI:5%
Era
1990s
X-HI:9%
Origin
Urban Grid