Passive headphone mix. This device allows you to connect the monitor directly from the PA amplifier and at the same time protects the headphones against excessive load. It includes a mono / stereo switch, volume control, 2 x 6.35 mm headphone output and 6.35 mm parallel input and output. Thanks to its small size, it is easily portable and does not need any power supply. Dimensions: 95 x 74 x 40 mm. Weight: 317 g.