PC Speaker
Power output: RMS 24 W (THD=0.5%) Drivers: Two 3" full range driver. Signal-to-Noise Rate (Amplifier): >=85dBA Input Impedance: 10K ohms Input Sensitive: 450mv Frequency Response: 48-20k Hz Power Requirement: 220V-240V ~ , 50/60Hz (for Model European/China/Korea/South America, etc.); 100V-120V ~,