21" PA SPEAKER HIGH QUALITY AND COMPTITIVE PRICE There is a rang from 15" to 21", the details is as below: Model NameSY2112SY1812 SY1512Power RMS1200W800W 450WPower MAX2400W1600W 900WFrequency40-3KHz35Hz-3KHz 35Hz-3KHzSensitivity98dB97dB 97dBVoice coil127mm,5"100mm,4" 75mm,3"Magnet170oz220*110*20 (100oz) Y30 200*86*20 (90oz) Y30T-yokeone pcone pc one pcWasher 10mm 8mmImpedance8ohm8ohm 80ohmNet ...
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