Groan 31. A sine wave at 220 Hz, originating from Industrial Zone. Recorded in a cave environment, era: 2000s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #0822 — Groan 31
ID#822
Rarity
LO:72%
Frequency
220 Hz
X-HI:8%
Wave Type
Sine
X-HI:13%
Resonance
Warm
X-HI:11%
Era
2000s
X-HI:8%
Origin
Industrial Zone