Sennheiser EW-D CI1 SET Digital Wireless Instrument System with Lavalier Mic

A Versatile Wireless System for Instruments, Presentations, and Performances

The Sennheiser EW-D CI1 SET with Lavalier Microphone, available from B&H, offers exceptional audio clarity and unmatched flexibility in a compact, professional package. This digital wireless system is designed for guitarists, bassists, keyboard players, and presenters alike. In this configuration, the kit includes a CI 1 instrument cable and a Senal OLM-2 omnidirectional lavalier microphone, giving you the freedom to switch between instrumental performances and spoken presentations with ease.

Professional Digital Audio with Industry-Leading Dynamic Range

The EW-D system delivers pristine 24-bit digital audio, offering a remarkable 134 dB dynamic range that handles everything from delicate speech to powerful instruments, without distortion and without needing to adjust gain at the transmitter. Whether you're on stage, in the studio, or leading a presentation, you’ll experience natural, high-resolution sound with ultra-low 1.9 ms latency, perfect for live monitoring and real-time performance.

CI 1 Instrument Cable and Lavalier Mic for Dual-Purpose Flexibility

The included CI 1 instrument cable connects directly from your electric guitar, bass, or keyboard to the EW-D SK bodypack transmitter, delivering cable-free performance for musicians who need freedom to move on stage. For vocal applications, the Senal OLM-2 lavalier mic connects via the same locking 3.5mm input, making it perfect for presentations, interviews, public speaking, or theatrical use.

Smart Wireless Control from Your Smartphone

With Bluetooth Low Energy, you can pair the transmitter to the EW-D EM receiver from up to 120 feet away. Using the free Sennheiser Smart Assist App, available on both iOS and Android, setup becomes fast and stress-free. Scan for available frequencies, manage channels, adjust settings, and monitor battery life, all directly from your mobile device. No technical expertise needed.

Built for Reliability in Live Performance

This wireless system operates in the UHF band (470 to 526 MHz), avoiding common Wi-Fi interference found in the 2.4 GHz range. Its 56 MHz bandwidth offers access to 2240 tunable frequencies, and the equidistant tuning grid allows for operation of up to 90 wireless channels simultaneously without worrying about frequency conflicts.

Intelligent Switching Diversity protects against dropouts by constantly evaluating signal strength from dual antennas, switching only when necessary and never interrupting your audio.

Robust Hardware for Touring and Installations

The EW-D SK bodypack transmitter is housed in a durable, lightweight metal chassis built to withstand the demands of everyday use. It runs for up to 8 hours on AA batteries or up to 12 hours using the optional BA 70 rechargeable battery pack. Its mute button can be locked and even overridden remotely via the app or receiver.

The half-rack EW-D EM receiver features an easy-to-read OLED display, streamlined front-panel navigation, and both XLR and 1/4-inch outputs for compatibility with any sound system. Rear-mounted removable antennas can be upgraded or front-mounted using optional kits for even better RF performance.

Expand with a Wide Range of Mic and Transmitter Options

As your needs grow, the Sennheiser EW-D system grows with you. Easily swap the lav mic with other Sennheiser-compatible options like the ME 2, ME 4, or MKE 2 lavaliers, or the ME 3 headset mic for more demanding, hands-free speaking environments. Musicians can also connect pedals, mixers, or other instruments using the CI 1 cable.

Prefer a handheld mic? Add the EW-D SKM-S handheld transmitter, compatible with a wide selection of Sennheiser and Neumann capsules including the MMD 835, MME 865, and MD 5235, ideal for live vocals or public speaking.

Senal OLM-2 Lavalier Microphone Included

The included Senal OLM-2 lavalier mic is designed for reliable, high-performance speech capture. With its broadcast-quality electret condenser capsule, the OLM-2 features a wide dynamic range and smooth frequency response, capturing clear, natural voice tones.

Its omnidirectional polar pattern allows 360-degree pickup, which is ideal for presenters or speakers who may turn their head or move during use. A locking 3.5mm connector ensures a secure connection to the bodypack, and a metal windscreen reduces unwanted wind noise and plosives.

The Ideal Digital Wireless Solution for Musicians and Presenters

The Sennheiser EW-D CI1 SET with Lavalier Mic offers everything you need in one professional-grade wireless system. From live instrumental performances to spoken word events, this package gives you the audio quality, flexibility, and smart functionality to perform with total confidence.

Whether you're a stage performer, educator, corporate speaker, or house of worship AV technician, this system provides broadcast-quality sound with plug-and-play convenience. You’ll spend less time adjusting settings and more time focusing on your craft.