Sennheiser EW-DX simplifies your professional workflow by utilizing refined technologies 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 performance productions benefit from a network-ready system that is designed to integrate seamlessly. AutoScan 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.
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)134 dB input dynamic range - no need to set gain on your wireless transmitters at all, thanks to proprietary Sennheiser Performance Audio Codec (SePAC)
- 10mW fixed RF power for up to 100 m/328 ft of range
- Charging contacts for in-device charging with CHG 70N charger (sold separately)
- Persistent E-Ink display for "always on" information - parameters visible on screen even when taking out batteries
- Up to 12 hours of operation time with rechargeable lithium ion battery BA 70 (sold separately)
- Function buttons - control all the transmitter settings directly from bodypack including button lock function
- Programmable mute switch - RF mute, AF mute or disabled
- Digital audio trim
- Mic input trim control
- Test tone generator
- Switchable LED configuration (On/Off)
- Switchable low cut (Off, 30 ,60, 80, 100, 120 Hz)
- Instrument input with cable emulation to simulate cable characteristics
- Versatile charging options optionally available: CHG 70 N, L 70 USB, LM 6070 Module for L 6000 full rack charging station (Availability in 2023)
- Compatible with a wide range of Sennheiser lavalier and headset microphones with 3.5 mm jack plug connection
- Metal housing
- Worldwide usage (specific frequencies subject to local RF regulations)
- Note: All components of the Evolution Wireless Digital Family are designed to interoperate. Please be aware of restrictions of features linked to the respective series, such as switching bandwidth and use of Link Density mode.
Top Specs
- Dimensions63.5 x 85 x 20 mm (without antenna)
- Weight (g)approx. 120 g (without batteries)
- Latency (ms)1.9 ms
- ConnectionWireless
Tech Specs
Ambient Conditions
-
Operating relative humidity (≤ %)
5 - 95 % (non-condensing)
-
Operating temperature (C)
-10 °C - +55 °C (14 °F - 131 °F)
Battery & Power
-
Battery capacity (Ah)
2.3
-
Battery count
2
-
Battery included
Y
-
Battery voltage (V)
1.5
-
Charging current (mA)
< 300 mA
What's in the box
- EW-DX SK bodypack transmitter
- Belt clip
- 2 Batteries (AA)
EW-DX SK (Q1-9)– Professional Sennheiser Bodypack Transmitter for Digital Audio Systems
EW-DX SK (Q1-9) is a compact Bodypack Transmitter from the Sennheiser EW‑DX series, operating in the Q1‑9 band (470.2 – 550 MHz) with a wide 88 MHz bandwidth. This device delivers stable wireless transmission, supports AES‑256 encryption, and offers ultra-low latency of just 1.9 ms, making it ideal for digital wireless microphone systems in professional stage, conference, and live event environments.
EW Digital audio performance – Perfect for stage and conferencing
EW-DX SK (Q1-9) provides outstanding sound quality with a wide frequency response of 20 Hz – 20 kHz and an impressive dynamic range of 134 dB. The extremely low Total Harmonic Distortion (THD ≤ -60 dB) combined with SePAC codec technology ensures crystal-clear, natural sound – ideal for high-end conferencing microphones and professional performance applications.
Robust connectivity and superior interference resistance
EW‑DX SK operates reliably even in complex RF environments thanks to its Q1‑9 band (470.2 – 550 MHz) and AutoScan technology, which automatically detects clean frequencies. It supports two operating modes:
- Standard (600 kHz): up to 146 channels
- Link Density (300 kHz): up to 293 channels
This ensures stable connections for UHF wireless microphones even in high-density setups.
Compact bodypack design – Built for versatile professional use
EW‑DX SK (Q1‑9) features a lightweight, rugged bodypack design that is easy to wear and compatible with a wide range of Sennheiser lavalier and headset microphones. Its durable metal housing protects the transmitter in demanding stage audio systems and conference environments.
Buy EW-DX SK (Q1-9) at Hoang Bao Khoa – Genuine product, fast delivery, professional support
Hoang Bao Khoa is an authorized Sennheiser distributor in Vietnam, ensuring customers receive high-quality products with premium after-sales service:
- 100% genuine Sennheiser products, complete with CO, CQ, and VAT invoices.
- Available in stock, nationwide fast delivery.
- 1:1 exchange within 48 hours for manufacturer defects.
- 24-month official warranty for worry-free use.
- Experienced consultants ready to assist with setup and optimize professional audio systems.
Conclusion
EW‑DX SK (Q1‑9) is the ideal bodypack transmitter for Sennheiser wireless microphone systems, delivering premium sound quality, advanced interference resistance, and a user-friendly design. It’s the perfect choice for stage, conference, and professional audio applications.