Amp Speaker Splitter Stereo Audio Switcher Box Selector 2-IN-4-OUT Passive

Amplifier Speaker Splitter Stereo Audio Switcher Box Selector 2-IN-4-OUT Passive

Vox VFS5 Footswitch Black Model VFS5 for Guitar Amplifier Selector Switch

2-IN-2-OUT Audio Switcher Box Connector XLR /RCA w/Volume Control Passive Preamp

Vox VFS5 5-Button Amp Footswitch Channel/Bank Selector for Guitar Amplifier

PARAMETRIC 3 BAND EQUALIZER electric bass active or passive electronic amplifier

Vintage Original 1980s Marshall JCM 800 Amplifier Impedance Selector Switch

PARAMETRIC 3 BAND EQUALIZER electric bass active or passive electronic amplifier