The answer is Yes. Please keep in mind that the primary work done by the cold laser is based on the actual wavelength of light emitted (650 nm). The frequency
Given that the cold laser is connected to Out 1 directly, and not via the boost (should not be using a boosted output), this leaves Out 2 open and unused.
Spooky Cold Laser brings the healing qualities of 650nm laser light to the home. These instructions will help you to get started. Connecting your Spooky Cold Laser Plug Spooky Cold