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40 w coaxial smallpox horn (constant pressure)

型号：ZR-840T

20 w coaxial ceilings speakers (resistance) absorption

型号：ZR-520TZ

30 w coaxial ceilings speakers (resistance) absorption

型号：ZR-630TZ

40 w coaxial ceilings speakers (resistance) absorption

型号：ZR-840TZ

Bring back cover 20 w constant pressure smallpox horn (constant pressure)

型号：ZR-520H

Bring back cover 30 w constant pressure smallpox horn (constant pressure)

型号：ZR-630H

20 w constant pressure smallpox horn with rear cover (resistance)

型号：ZR-520HZ

Bring back cover 30 w constant pressure smallpox horn (resistance)

型号：ZR-630HZ

30 w constant pressure constant resistance of amphibious coaxial smallpox horn (constant pressure resistance of amphibious)

型号：ZR-5530N

40 w constant pressure constant resistance of amphibious coaxial smallpox horn (constant pressure resistance of amphibious)

型号：ZR-6540N

60 w constant pressure constant resistance and coaxial smallpox horn (constant pressure resistance of amphibious)

型号：ZR-840N

20 w coaxial ceilings absorption narrow) (constant pressure)

型号：ZR-520F

30 w coaxial ceilings absorption narrow) (constant pressure)

型号：ZR-630F

20 w narrow edge coaxial ceilings speakers (resistance) absorption

型号：ZR-520FZ

30 w narrow edge coaxial ceilings speakers (resistance) absorption

型号：ZR-630FZ

100 w narrow edge coaxial ceilings speakers (resistance) absorption

型号：ZR-8100Z