Shure GLXD4+E=-Z4 wireless microphone receiver

Built-in display: Yes | Product colour: Black | Receiver type: Dual | Total Harmonic Distortion (THD): 0.2% | Microphone frequency response: 20 - 20000 Hz | Backlight display: Yes | XLR out: 1 | Radio Frequency (RF) range: 2400 - 5800 MHz | Operating radius: 60 m | LED indicators: Yes | 6.35 mm (1⁄4-inch) output: 1 | Display type: LCD | Antennas quantity: 2 | Power supply type: AC | Housing material: ABS | Channels quantity: 8 channels | Impedance: 50 Ω | Input voltage: 14 - 18 V | Scan features: Channel scan, Group scan | Operating frequency type: Ultra High Frequency (UHF) | Warnings: Do not open the unit housing. | Warnings: Avoid contact with water. | High density mode: No | Warnings: Use in accordance with the manufacturer's instructions.