The EW-DX SK is the compact and versatile bodypack transmitter from the EW-DX series. This series is known for having the lowest latency on the market, excellent frequency range, and an ultra-wide input dynamic range. A very handy app to keep all this technology manageable is Sennheiser's Smart Assist app, which allows you to monitor frequencies, battery status, and connection quality from your EW-DX SK. It features a TRS mini-jack connector with 10 mW RF power and an operating range of up to 100 meters. There are charging contacts for in-device charging with the CHG 70N. Persistent EINK view parameters are visible on the screen even when the device is not powered on. Customize the device to suit your professional needs to achieve longer usage times with lithium-ion batteries. It offers up to 12 hours of microphone input triple operation. The metal housing includes: EW-DX SK transmitter, clip, batteries (AA), pouch, quick guide, safety guide, and the manufacturer.