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Outdoor Column Speaker BS-018/BS-028/BS-038/BS-048 Descriptions The column speaker's body and grille are made of aluminum alloy, while the top and bottom covers are ABS. it is suit for outdoor all weather climate, such as public places tennis court, swimming pool, garden, school ground, market etc. The oxygenation finish can put the speaker in outdoor surroundings for years of fresh color and no fade. The fully sealed speaker body is equipped with 3 cores extended cable tails for easy wire layout. One pair of mounting brackets is provided for easy mounting again wall. Specifications Material: aluminium alloy, steel grille and mounting bracket MODEL BS-018 BS-028 BS-038 BS-048 RATED PWR 10W 15W 25W 35W MAX POWER 15W 25W 35W 45W LINE VOLT 70V/100V 70V/100V 70V/100V 70V/100V SENSITIVITY 91dB±3dB 91dB±3dB 91dB±3dB 91dB±3dB IMPEDANCE Black-COM Black-COM Black-COM Black-COM Green-490Ω Green-330Ω Green-200Ω Green-140Ω White-1KΩ White-670Ω White-400Ω White-290Ω FREQ RESP 130-14KHz 130-14KHz 130-14KHz 130-14KHz DIM 153×123×315mm 153×123×415mm 153×123×515mm 153×123×615mmSPEADER UNIT 4+ 2.5 2×4+ 2.5 3×4+ 2.5 4×4+ 2.5 WEIGHT 2.4Kg 3.3Kg 4.2Kg 5.6Kg