Sennheiser EW-D 835-S Q1-6, Digital Wireless System, With SKM-S handheld transmitter with mute switch and dynamic MMD 835 interchangeable capsule, Frequency range Q1-6: 470.2 - 526 MHz, Polar pattern: Cardioid, Switching bandwidth: 56 MHz, Dynamic range: 134 dB, Frequency range: 20 - 20,000 Hz, Transmitter power: 10 mW, 4-Digit battery indicator on the receiver, Mobile access via Smart Assist App for system settings, Operating time with AA batteries: up to 8 hours, 2 BNC antenna connectors, Outputs: XLR, jack (balanced/unbalanced), Incl. microphone clamp MZQ 1, 2x antennas, power supply with country adapter, rackmount set and AA batteries