I'm looking for a small, cheap solution that will allow me to take as input the main output of my sound card and from that feed lines to at least four line level outputs (speaker amp, headphones a 2 ...

This integrated amp has four RCA line-level inputs, two coaxial and two optical digital inputs, and gold-plated speaker posts. Oh, and a 32-bit/768 kHz DAC. When you purchase through links on our site ...