Clap 88. A noise wave at 20 Hz, originating from Subway Tunnel. Recorded in a chamber environment, era: 2010s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #4443 — Clap 88
ID#4443
Rarity
MID:30%
Frequency
20 Hz
EX:4%
Wave Type
Noise
X-HI:6%
Resonance
Dense
X-HI:6%
Era
2010s
X-HI:7%
Origin
Subway Tunnel