10RESOUND SpecificationsRS215Power Rating (@ 8Ω): 350 Watts RMS, 600 Watts ProgramNominal Impedance: 4 OhmsFrequency Response: 35 Hz – 20 kHz ± 3 dBSensitivity: 101 dB SPL @ 1W/1mMAX SPL: 128dBLF Driver: 2 x 15-inch heavy-duty driverHF Driver: 1-inch exit, 44mm Mylar diaphragmcompression driverProtection: Internal overload Lamp on HF driverWeight: 80 lbs. 36.32 kgRS15Power Rating (@ 8Ω): 225 Watts RMS, 400 Watts ProgramNominal Impedance: 8 OhmsFrequency Response: 40 Hz – 20 kHz ± 3 dBSensitivity: 98 dB SPL @ 1W/1mMAX SPL: 122dBLF Driver: 15-inch heavy-duty driverHF Driver: 1-inch exit, 44mm Mylar diaphragmcompression driverProtection: Internal overload Lamp on HF driverMounting: Integral 1 3/8-inch Pole MountReceptacleWeight: 51 lbs. 23.14 kgRS12Power Rating (@ 8Ω): 175 Watts RMS, 300 Watts ProgramNominal Impedance: 8 OhmsFrequency Response: 50 Hz – 20 kHz ± 3 dBSensitivity: 97 dB SPL @ 1W/1mMAX SPL: 121dBLF Driver: 12-inch heavy-duty driverHF Driver: 1-inch exit, 44mm Mylar diaphragmcompression driverProtection: Internal overload Lamp on HF driverMounting: Integral 1 3/8-inch Pole MountReceptacleWeight: 38.5 lbs. 17.5 kg