150W 14AWG Desktop Passive Speaker Volume Control Box Amplifier Speaker Volume Adjustment with

Features: Support 1 set of power amplifier stereo input, 1 set of speakers stereo output. Easily control the volume of the left/right sound channel of the passive sound box separately. Each channel supports up to 150 watts output. All metal constrution, wellmade, and sturdy for long term use. Easy to install, no external power supply required, plug and play.

Specifications: Material: Metal Color: Black Frequency Response: 10Hz50Hz Output Impedance: 416 ohm Speaker Cable Size: maximum 14 AWG Item Size: 15*6.8*5.5cm / 5.9*2.67*2.16in Item Weight: 700g / 24.69oz Package Size: 18.5*13.5*6.5cm / 7.28*5.31*2.55in Package Weight: 800g / 28.21oz Packing List: 1 * Volume Control Box?