Sennheiser Digital bodypack transmitter, 470–526 MHz, 3.5 mm jack (EW) Sennheiser

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The Sennheiser EW-D SK (Q1-6) is a professional digital UHF bodypack transmitter operating from 470–526 MHz, featuring a 3.5 mm / 1/8" EW audio input for compatible Sennheiser headset, lavalier, and clip-on microphones. Designed for reliable wireless performance, it offers 134 dB input dynamic range, 56 MHz tuning bandwidth, 2,240 selectable frequencies, equidistant 600 kHz channel spacing, and convenient setup and management through the EW-D Smart Assist App via Bluetooth Low Energy.

The Sennheiser EW-D SK (Q1-6) is a compact and versatile digital bodypack transmitter designed for singers, presenters, performers, musicians, and other professional wireless applications. Operating in the 470–526 MHz UHF frequency range, it uses digital transmission technology to provide dependable range, scalability, and reliable wireless performance.

The transmitter features a 3.5 mm / 1/8" EW audio input socket, making it compatible with a wide selection of Sennheiser headset, lavalier, clip-on, and instrument microphones. Its impressive 134 dB audio input dynamic range helps preserve the detail of the incoming audio signal while minimizing the need for manual sensitivity adjustments.

Setup and wireless management are simplified through the Sennheiser EW-D Smart Assist App, which connects to the transmitter system using Bluetooth Low Energy. The automatic scan function helps identify suitable frequencies quickly, while the system's intermodulation-free digital transmission allows channels to be arranged on an equidistant 600 kHz tuning grid. With 56 MHz of tuning bandwidth and up to 2,240 selectable frequencies, the system is designed to accommodate demanding multi-channel wireless installations.

For portable operation, the EW-D SK can use 2 × AA batteries, providing up to 8 hours of operation, or an optional Lithium-Ion battery pack, which can provide up to 12 hours of operation. This makes the transmitter suitable for live performances, presentations, theatre, education, corporate events, houses of worship, and other professional applications.

Key Features

• Digital UHF bodypack transmitter
• 470–526 MHz (Q1-6) frequency range
• 3.5 mm / 1/8" EW audio input socket
• Compatible with Sennheiser headset, lavalier and clip-on microphones
• Digital transmission for improved range, reliability and scalability
• 134 dB audio input dynamic range
• No manual sensitivity adjustment required in typical applications
• 56 MHz tuning bandwidth
• 2,240 selectable frequencies
• 600 kHz equidistant channel spacing
• Intermodulation-free transmission
• Up to 90 channels using equidistant spacing
• EW-D Smart Assist App compatibility
• Bluetooth Low Energy connectivity for setup and management
• Automatic frequency scanning
• Up to 12 hours operation with optional Lithium-Ion battery pack
• Up to 8 hours operation with 2 × AA batteries
• Suitable for vocals, speech, instruments, theatre and live performance

• 1 × Sennheiser EW-D SK Q1-6 digital bodypack transmitter
• 2 × AA batteries (provided)
• Lithium-Ion battery pack: Sold separately

• Model: Sennheiser EW-D SK
• Frequency Variant: Q1-6
• RF Frequency Range: 470–526 MHz
• Type: Digital bodypack transmitter
• Transmission: Digital UHF
• Audio Input: 3.5 mm / 1/8" EW connector
• Audio Input Dynamic Range: 134 dB
• Tuning Bandwidth: 56 MHz
• Selectable Frequencies: 2,240
• Channel Spacing: 600 kHz equidistant grid
• Maximum Channels: Up to 90
• Wireless Management: EW-D Smart Assist App
• App Connectivity: Bluetooth Low Energy
• Frequency Setup: Automatic scan
• Battery Options: 2 × AA batteries or optional Lithium-Ion battery pack
• Battery Life with AA Batteries: Up to 8 hours
• Battery Life with Lithium-Ion Pack: Up to 12 hours
• Compatible Microphones: Sennheiser headset, lavalier and clip-on microphones with compatible EW connector