Speaker switch box for connecting up to 4 pairs of speakers (4-8 Ω) in any combination to 1 stereo amplifier output. With built-in power protective resistors.Made in: TaiwanControls: SwitchDepth (cm): 10.0Headphone Output: NoHeight (cm): 5.0Inputs: Spring-load speaker terminalOutputs: Spring-load speaker terminalPower Supply: PassiveType: Speaker Switch BoxType: DesktopNet Weight (kg): 0.62Width (cm): 17.6USB: NoUK/EU Power supply included: No