If you buy expensive computer speakers, they often have a volume knob you can mount somewhere on your desk so you aren’t dependent on the onboard volume control. [Kris S] decided to build his own ...

[jefffolly] published some straight forward plans for a passive volume control. It uses a resistive ladder built across the contacts of 12W rotary switches. Each resistor provides a 5dB difference, ...

I have my MacBook Pro connected via thunderbolt to my Dell monitor. The Dell monitor has a line out port to my powered speakers. Unfortunately, my speakers have independent volume controls in the back ...