Versatility

OL Switcher is the solution to your input/output woes, enabling you to route your audio where needed, without fumbling with cables. OL Switcher is a 2 input, 2 output, passively attenuating preamp. Connect a DAC, connect a DAP, connect a headphone amp, and your speaker system.

Dual Inputs
Connect up to two audio sources, such as a DAC, phono preamp, DAP, etc. Quickly switch between your two devices using the Input slider switch.

Passive Attenuation
Input passes through an Alps 10k potentiometer for volume adjustment of your selected audio source.

Dual Outputs
Connect one or two output devices to quickly pass your selected audio source to your desired load, such as a headphone amplifier, powered speakers, receiver, etc.