Shard 13. A am wave at 142 Hz, originating from Subway Tunnel. Recorded in a open air environment, era: 2020s. One of 5555 echoes — sounds no one thought to save.
Name
ECHO #3972 — Shard 13
ID#3972
Rarity
LO:72%
Frequency
142 Hz
X-HI:9%
Wave Type
AM
EX:5%
Resonance
Warm
X-HI:11%
Era
2020s
X-HI:6%
Origin
Subway Tunnel