Lenovo Multimedia Speaker 1530 Plus Desktop Wired Computer

Brand: lenovo model: 1530 plus speaker control: knob control interface: usb+3.5mm audio interface power supply: usb speaker size: subwoofer speaker (4 inches) + mid-tweeter speaker (2.5 inches × 2) channel: 2.1 bass adjustment: support impedance: 4ω theoretical power: 5w+3w*2 signal to noise ratio: >75db input sensitivity: 550mv frequency response range: 50hz~20khz cable llength: 1.2 m (1.05m exposed) package weight: 2.34kg host size: 25.10 x 22.00 x 22.50 cm satellite box size: 8.00 x 7.50 x 14.50 cm