Adam (Hazbin Hotel) vs Soundwave (IDW 2005): who would win?

Too close to call

Adam (Hazbin Hotel) · Hazbin Hotel · Base

Tier
LOW 5-B, up to 5-B
Attack Potency
Small Planet Level, up to Planet Level+
Speed
Supersonic, up to Supersonic+
Durability
Small Planet Level, up to Planet Level+

Soundwave (IDW 2005) · Transformers · Base

Tier
LOW 5-B, up to HIGH 5-A
Attack Potency
Small Planet Level, up to Brown Dwarf Level
Speed
Supersonic, up to Massively Ftl+
Durability
Small Planet Level, up to Brown Dwarf Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.