4-Channel RCA Audio mixer Stereo line levels control Box mini passive mixer R41

The R41 is a stereo four-channel passive mixer for expanding a console mixer, mixing instruments, cd players, cassette players, computers, etc. It requires no batteries or other power sources. The unit may also be used as a 1 in 4 out stereo splitter box when all controls are turned completely clockwise 4 Stereo RCA Inputs 1 Stereo RCA Output

• Stereo 4 input / 1 output: It can connect 4 audio inputs at the same time. Each track has an independent volume adjustment knob, which can be output by headphones and speakers.
• Ultra-small mixer: Easy to carry and operate and mix multiple sound sources without limitation and boundary; Plug and play, no power supply required, small size, easy to place, suitable for your desktop and office.
• The perfect way to listen to music and mix multiple sound sources incl. smart phones, tablets, computers, MP3 players, CD, etc.
• 4 The unit may also be used as a 1 in 4 out stereo splitter box when all controls are turned completely clockwise
• Note:This passive product does not need power supply, and there is no internal amplifier circuit compensation, so the output will be attenuated (high impedance load attenuation is small, low impedance load attenuation is large)