Home \ Sound \ Loudspeakers \ 21iD 21iD Inch 21 " Power 1800W AES Frequency Range 29 - 1600 Hz Sensitivity 94.2 dB Brand Eighteen Datasheet 21iD Back to products + - Loudspeakers + - Drivers / Tweeters + - ATM drivers + - Compression drivers with wave guides + - Horns + - Filters + - Diaphragm + - Repair material + - Paper cone + - Spiders + - Dust Cap + - Surrounds + - Lead wire + - Ceiling speakers + - Transformers + - Amplifier + - Adapters + - Back cover for lousdspeaker Home \ Sound \ Loudspeakers \ 21iD