Stereo Crash

Stereo Crash is a Believix offensive spell used by Musa, in which she hurls sound waves at the enemy or manifests large magenta-colored speakers that attack the enemy with sound.

Series

 * Season 4 Episode 7 - Used twice against Duman.
 * Season 4 Episode 11 - Used against the bank robbers.
 * Season 4 Episode 13 - Used against Gantlos.
 * Season 4 Episode 17 - Used against the monster.
 * Season 4 Episode 18 - Used against the spider but failed.
 * Season 4 Episode 22 - Used against the ice monster.
 * Season 4 Episode 25 - Used against the Warrior Fairies.
 * Season 5 Episode 5 - Used against the Trix.

Comics

 * Issue 90 - Used against one of Cryos' robot centurions.
 * Issue 95 - Used against Anagan along with Flora's Autumn Wind.

Books

 * Perle - Used in mermaid form, while specified as Musa's strongest (Believix) power, to hit Vires, but failed.

Trivia

 * According to Tecna, this spell is strong enough to break glass on Earth.
 * In "The Lilo", Stereo Crash is shaped like Sonic Blast.