... monitor Guangzhou Paroyal audio Co.,LtdProfessional audio systemPro speaker,EVP-X SeriesEVP-X12 speaker,EVP-X15 Pro Sound , EVP-X15MEVP- ... diaphragmLow Frequency Driver:1x310 mm(12inch)wooferLow Frequency Driver :1 x 380mm(15 inch) woofer Model:EVP-X15M Monitor SpeakerModel:EVP ... Paroyal audio Co.,Ltd Professional audio system Pro speaker,EVPX Series EVPX-12 speaker,EVPX-15 Pro Sound , EVPX-15M EVPX ...