Speaker switch box for connecting up to 8 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): 11.5Headphone Output: NoHeight (cm): 6.0Inputs: Spring-load speaker terminalOutputs: Spring-load speaker terminalPower Supply: PassiveType: Speaker Switch BoxType: DesktopNet Weight (kg): 1.1Width (cm): 31.0USB: NoUK/EU Power supply included: No