Peavey Blue Marvel Classic 1020 10-Inch Guitar Speaker 16Ohm Impedance: 16 Ohms. Power capacity: 240 W Peak, 120 W Program, 60 W Continuous. Sensitivity: 96.3 dB 1 Watt / 1 meter. Usable frequency range: 80 Hz ~ 7 kHz. Cone: Paper with treated paper edge.