Sennheiser EW-D SK Digital Wireless Bodypack Transmitter Band R1-6

Sennheiser EW-D SK Digital Wireless Bodypack Transmitter Band R1-6

The EW-D SK (V3-4) is a digital UHF bodypack transmitter for use with Evolution Wireless Digital. This versatile and feature-rich wireless system is designed for singers, speakers, and instrumentalists, allowing seamless product pairing and management via the EW-D Smart Assist App. The bodypack transmitter is compatible with a wide range of Sennheiser headset microphones and clip-on/lavalier microphones.

• Digital transmission operating in the UHF spectrum greatly enhances range, reliability and scalability
• Smart Assist App connects via Bluetooth Low Energy for a streamlined setup and operation at a distance
• Auto scan creates reliable connections with minimal time and effort
• 134 dB audio input dynamic range eliminates need for sensitivity adjustments and preserves every detail
• Elimination of intermodulation enables channels to be placed in an equidistant tuning grid 600 kHz apart
• 56 MHz of tuning bandwidth and equidistant spacing enables up to 90 channels
• 2,240 selectable frequencies allow for fine tuning
• Lithium-Ion battery pack (sold separately) delivers up to 12 hours of operation (up to 8 hours with 2x provided AA batteries)

Effortless, Worry-Free Wireless

Full control via Bluetooth using the Smart Assist App. Easy setup, monitoring, and troubleshooting—even for beginners. Smart algorithms handle frequency selection and syncing, minimizing dropouts and interference.

Rock-Solid Reliability

The most reliable UHF connection with German-engineered build quality. Professional-grade construction with lightweight, rugged transmitters and receivers. Rack-mountable receivers make it ideal for professional setups.

Pristine Sound Quality

Superior clarity via 24-bit resolution surpasses analog systems. Handles both quiet and loud sources with ease thanks to 134 dB dynamic range. With ultra-low latency of 1.9 ms, sound feels natural and immediate, while evenly spaced frequencies eliminate intermodulation interference.

Future-Proof and Upgradable

Integrates easily with other Evolution Wireless components and scales from simple gigs to large multi-channel stage productions. Compatible with a wide range of Sennheiser mic capsules on the handheld version.

SPECIFICATIONS

General

• Wireless technology: Digital UHF / Bluetooth 5.1
• RF frequency band: 470 to 526 MHz
• Number of RF channel frequencies: 2240
• Max operating range: 328.1 ft / 100 m (line of sight)
• Latency: 1.9 ms
• Encryption: No
• Built-in recorder: No
• Timecode support: No
• Mobile app compatible: No

Transmitters

• Included transmitters: 1x bodypack
• RF output power: 10 mW
• Antenna: Fixed flexible whip
• Input level: Microphone / Instrument / Line
• Audio I/O: 1x 1/8-inch / 3.5 mm locking TRS female input
• Bias/Plug-In and Phantom Power: Bias/Plug-In power unspecified by manufacturer, no phantom support
• USB I/O: No
• Muting: Mute switch
• Auto-level/gain: No
• Frequency response: 20 Hz to 20 kHz
• Sync method: Bluetooth
• Display: Single-LED indicators only

Power

• Transmitter battery type: 2x AA (included) or 1x Sennheiser battery pack (not included)
• Transmitter battery life: 8 hours (alkaline), 12 hours (Sennheiser battery pack)
• AC/DC power adapter: No

Physical

• Environmental resistance: No
• Housing: Metal
• Dimensions: 2.5 x 3.1 x 0.8 in / 63 x 80 x 20 mm (without antennas)
• Weight: 4.2 oz / 120 g (without batteries)

Packaging Info

• Package weight: 0.55 lb
• Box dimensions (LxWxH): 13.8 x 3.2 x 2.9 in

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.