Catalog > Consumer Electronics > Computer Peripherals > Speakers Audio Master 2.0 Speaker Audio Master 2.0 Speaker PC M/MEDIA USB SPKR AM-45 #TT AUDIO MASTER 2.0 SPEAKER Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Frequency Response : 100HZ-18KHZPower Supply : 5V/1ARMS : 3W x 2(THD<1%)Signal Noise Ratio : 8dBImpedance : 4ΩPC Video : CD-R/RW