Sanwa Supply USB Speaker with Wooden Cabinet and Passive Radiator, Black MM-SPU7BK

[Maximum Practical Output]: 5W (2.5W + 2.5W) [Frequency Response]: 130Hz~20KHz [Speaker Type]: Sealed Full-Range Speaker System [Speaker Size]: 2 inches (approx. 52mm diameter) [Impedance]: 4Ω [Input Terminal]: USB A connector male (compatible with both USB 2.0 and 1.1 standards) [Power Supply]: Supplied via USB port (DC5V 500mA) [Housing Material]: Wood [External Dimensions]: W67×D68×H115mm [Cable Length]: Speaker-to-speaker cable approx. 1.3m, PC connection USB cable approx. 1.3m High-quality audio data from your computer is transmitted digitally to the speaker, and then converted to analog within the speaker where noise interference is minimal, reproducing a clear and high-quality sound source.