1.size 8'' ~ 15'' 2.pro pa woofer 3.audio woofer speaker 4.high power 5.OEM & ODM 8''~15'' pro woofer speaker , pa woofer ,pro audio woofer  

PE801Nominal Diameter:8″Impedance:4 or 8ΩFrequency Range:52Hz-6KHzPower(RMS):100WSensitivity:91dB/W/m	PE1001Nominal Diameter:10″Impedance:4 or 8ΩFrequency Range:52Hz-6KHzPower(RMS):200WSensitivity:95dB/W/m
PE1201Nominal Diameter:12″Impedance:4 or 8ΩFrequency Range:35Hz-3KHzPower(RMS):300WSensitivity:98dB/W/m	PE1501Nominal Diameter:15″Impedance:4 or 8ΩFrequency Range:35Hz-3KHzPower(RMS):400WSensitivity:98dB/W/m

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8''~15'' pro woofer speaker , pa woofer ,pro audio woofer