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  • secret distance (project sekai)
  • kimi to utau sakura-mau sekai de (project sekai)
  • smile of dreamer (project sekai)
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  • color of myself! (project sekai)
  • yureru mama demo kimi wa mae e (project sekai)
  • itsuka senaka awase no lyric wo (project sekai)
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horn speaker

A distinct speaker design that utilizes an acoustic horn to improve overall efficiency of the speaker's driving element. A common design used in outdoor public address systems, electronic megaphones, and old model phonographs.

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