No, that’s even worse than headphones (which are usually 32 ohm or so). Audio signals from modular synths are designed to be used with high impedance inputs (several kiloohms, often more), either dedicated output modules or good mixers/amplifiers/active speakers.
(for some mixers/amplifiers/active speakers you may need to attenuate the signal on the way there, because the raw synth signal is hot and may be too much for an input with limited headroom.).
See e.g. here:
EDIT: The module you mention in the other thead is a nice output module; the LM386 there is designed to drive low impedance devices.