The Rolls MX51s Mini-Mix 2 Four-Channel RCA Mixer is a useful audio tool for any situation where multiple consumer-level products need to be summed to a single stereo output.
The MX51s features an XLR microphone input with switchable Phantom power. Its second channel offers both 1/8" stereo and RCA connectors for flexibility. The third and fourth channels have RCA connectors. Each channel features a level knob providing up to 32dB of gain; 26dB for line-level sources.
The MX51s has both 1/8" stereo and RCA output connections. The 1/8" output can also function as a headphone jack.