EW-D SK (T12)

Article No. 700453

Digital UHF bodypack transmitter for use with Evolution Wireless Digital.

Versatile and feature-rich digital wireless system for those who sing, speak or play instruments that allows for seamless product pairing and management via the EW-D Smart Assist App. This bodypack transmitter is compatible with a wide range of Sennheiser headset microphones and clip-on/lavalier microphones.

Features⁰⁸

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 of operation with 2x provided AA batteries)

Top Specs

Latency (ms)1.9 ms
ConnectionWireless

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
German-engineered build quality
Pro-grade build quality with uncompromised fit and finish
Lightweight, rugged transmitters and receivers
Rack-mountable receivers for pro setups

PRISTINE SOUND QUALITY

Superior clarity via 24-bit resolution, surpassing analog systems.
Handles quiet and loud sources effortlessly with 134 dB dynamic range.
Sound feels natural and immediate with ultra-low latency (1.9 ms)
Evenly spaced frequencies eliminate intermodulation interference

FUTURE-PROOF & UPGRADABLE

Integrates easily with other Evolution Wireless components
Scales well for growing setups—from simple gigs to multi-channel stage productions
Compatible with a wide range of Sennheiser mic capsules (on the handheld version)

Sennheiser Business Solutions – Microphone Guide

Making Collaboration & Learning Easier

Explore now

Sennheiser International Frequency Advisor 2.0 (SIFA 2.0)

Staying up-to-date on local regulations and frequency ranges by country can be a challenge. The Sennheiser International Frequency Advisor (SIFA) provides easy access to all information as well as support when traveling worldwide.

Learn more

Sennheiser International Frequency Advisor 2.0 (SIFA 2.0)

How To Guide

Need help? Check out our step-by-step How To Guide.

How To Guide

Sennheiser wireless microphone system equipment in a rack.

Tech Specs

Product

Latency (ms)
1.9 ms
Total harmonic distortion (THD)
≤ -60 dB for 1 kHz @ -3 dBfs input level

Frequency Specifications

Audio frequency response
20 Hz - 20 kHz (-3 dB) @ 3 dBfs

Acoustic Properties

Dynamic range (>)
134 dB

Connectivity

Connection
Wireless

Ambient Conditions

Operating relative humidity (≤ %)
5 - 95 % (non-condensing)
Operating temperature (C)
-10 °C - +55 °C (14 °F - 131 °F)

Battery & Power

Battery included
Y
Battery capacity (Ah)
2.3
Battery count
2
Battery voltage (V)
1.5
Charging current (mA)
< 300 mA

Electrical Properties

Input voltage
2.0 - 4.35 V
Transmission power (mA)
Audio link: 10 mW ERP (Range Y1-3: 12 mW ERP) BLE: max. 10 mW EIRP

Dimensions

Product height
73
Product length
350
Product weight (g)
120
Product width
81

Bluetooth

Bluetooth transmission frequency
2402 - 2480 MHz

Downloads¹²

Instruction Manuals (selected 0)

Instruction manual and frequently asked questions - Evolution Wireless Digital (EW-D | EW-DX | EW-DP) (PDF)
.PDF
·
42.6 MB
Download

Safety Instructions and Regulatory Information (selected 0)

Safety Instructions - EW-D EM | EW-D SKM-S | EW-D SK
.PDF
·
534.82 KB
Download
Specifications & Manufacturer declarations - EW-D EM | EW-D SKM-S | EW-D SK
.PDF
·
862.63 KB
Download