Developed the wireless U300® in-ear monitoring systems for unlimited freedom of movement on the stage with perfect in-ear monitor sound at all times. Developed in Germany, their clear, modern design and straightforward operation make them the perfect choice – not just for beginners. Their reliable range of up to 100 m and their low-reaching frequency band of 50 Hz to 16 kHz ensure professional performance. U300® in-ear sets are available for operation in 5 frequency bands: 584 MHz - 608 MHz, 655 MHz - 679 MHz, 823 MHz - 832 MHz+ 863 MHz - 865 MHz, 470 MHz - 490 MHz or 514 MHz - 542 MHz. Six systems can be used simultaneously in each case.