SPL at 1kHz: 112.5dB/1W/1m 128.5dB/40W/1m Throat Coupling: 1-3/8"-18TPI,Throat Couple No.1 PA DRIVER UNITInput Power: 40W RMS/60W MaxImpedance: 16ΩFrequency Response: 160-7,000HzSPL at 1kHz: 112.5dB/1W/1m 128.5dB/40W/1mThroat Coupling: 1-3/8"-18TPI,Throat Couple No.1Dimensions: 113*98mmWeight: 1.43kg