Sennheiser SK/SKM-S Base Q1-9 Wireless Mic Transmitters Sennheiser EW-DX simplifies your professional workflow by utilizing refined technologies and decades of research to deliver a digital UHF system that can be scaled with ease. With its advanced feature set and hardware options, classrooms, corporate campuses, and live productions benefit from a network-ready system that is designed to integrate seamlessly. The system quickly assesses your environment and uses equidistant channel spacing to deploy frequencies while tools like Sennheiser?s Control Cockpit, Wireless Systems Manager, and Smart Assist App allow you to monitor your system remotely. In-device charging, 12-hour battery operation, and switching bandwidth up to 88 MHz are only a few more of the many features that make EW-DX the right tool for the job. Flexibility for Those Who Want to Choose the Capsule That Best Meets Their Needs. Base Set for digital wireless applications featuring 2-channel receiver, handheld and bodypack transmitter for use with a wide range of Evolution Wireless Digital microphone heads. Features 134 dB input dynamic range - no need to set gain on your wireless transmitters at all, thanks to proprietary Sennheiser Performance Audio Codec (SePAC) AutoScan-feature quickly scans your environment and deploys frequencies with equidistant channel spacing - even without RF knowledge Network enabled for expanded remote control with Sennheiser Control Cockpit, Wireless System Manager (WSM - Available in mid-2023) and 3rd party media control systems via plug-in Remote control via Smart Assist App over Bluetooth Low Energy (BLE) at distances up to 25 meters (Available in late 2023) Secure transmission of confidential content using AES 256 encryption Up to 12 hours of operation time with rechargeable lithium ion battery BA 70 (included) Function buttons - control all the transmitter settings directly from the handheld and bodypack including button lock function Persistent E-Ink display for "always on" information - parameters visible on screen even when taking out batteries Equidistant channel spacing to easily allocate intermodulation-free channels: Standard Mode with 600 kHz spacing for up to 146 channels; Link Density (LD) Mode with 300 kHz spacing for up to 293 channels Up to 88 MHz switching bandwidth Low latency of 1.9 ms wireless transmission thanks to proprietary Sennheiser Performance Audio Codec (SePAC) Digital audio trim Transmitters with charging contacts for in-device charging with CHG 70N charger (sold separately) Sennheiser Standard Capsule Interface - compatible with a wide range of Sennheiser and Neumann capsules (sold separately) Compatible with a wide range of Sennheiser lavalier and headset microphones with 3.5 mm jack plug connection (sold separately) Versatile charging options optionally available: CHG 70 N, L 70 USB, LM 6070 Module for L 6000 full rack charging station (Availability in 2023) Worldwide usage (specific frequencies subject to local RF regulations) Specsification Dimensions: 212 x 44 x 189 mm Weight: (g)approx. 1000 g (2.2 lbs) (without antennas and power supply) Latency: (ms)1.9 Total harmonic distortion (THD): -60 dB for 1 kHz @ -3 dBfs Input level Latency (ms): 1.9 ms Frequency Specifications Audio frequency response: 20 Hz - 20 kHz (-3 dB) @3 dBfs Acoustic Properties Dynamic range ( ): 134 dB Amblent Conditions Operating relative humidity (? %): 5-95% (non-condensing) Operating temperature (C): -10 C - +55 C (14F-131 F) Battery capacity (Ah): 1.72 Battery count: 2 Battery Included: Y Battery voltage (V): 3.8 Electrical Properties Input voltage: 11-13 V- or PoE IEEE 802.3af Class O (CAT5e or higher) Dimensions: 212 x 44 x 189 mm Height (mm): 73 Length (mm): 405 Weight (g): approx. 1000 g (2.2 lbs) (without antennas and power supply) Width (mm): 350 Product height: 73