Four-channel fully passive hybrid mixer/splitter with 4 stereo input channels and 1 stereo output that offers a wide variety of configurations: it allows mixing of 4 stereo input channels down to 1 stereo output, splitting a stereo input signal to distribute 4 stereo output channels, or combining of the configurations for a wide range of applications. It can even be configured as 4 stereo input channels thru independent level attenuators to 4 stereo output channels. All 1/4" connections are stereo TRS and have intelligent switching. Mixer also provides stereo level control on each channel, while level attenuators offer over 90 dB of attenuation and channel isolation. Stereo or mono operation is determined by the type of 1/4" plug and cabling. Fully passive design has no active circuitry to add noise or distortion, and handles virtually any signal level. Dimensions: 47 x 117 x 104 mm. Weight: 380 g.