Sennheiser EW-D CI1 SET R4-9 All-In-One Digital Wireless Instrument System, 552-607.8 MHz

The Sennheiser EW-D CI1 SET R4-9 is a versatile and feature-rich digital wireless instrument system, designed to suit musicians who sing, speak, or play instruments. This high-performance system offers seamless product pairing and management via the EW-D Smart Assist App, making setup and operation remarkably easy. With its robust metal housing, the durable bodypack transmitter, and included CI 1 instrument cable, this system is perfect for daily use on stage, providing exceptional reliability and sound quality.

The digital wireless technology eliminates noise, interference, and static bursts, ensuring a clear and uninterrupted audio experience. The UHF transmission greatly enhances range, reliability, and scalability, making it suitable for both small venues and large stages. Automated setup features create reliable connections with minimal effort, saving valuable time during preparation. This system supports up to 2,240 selectable frequencies and can operate up to 24 wireless systems per frequency range, providing incredible flexibility for various applications. The Lithium-Ion battery pack delivers up to 12 hours of operation, ensuring that your performances run smoothly without interruptions.

Key Features

• Digital wireless technology eliminates noise, interference, and static bursts.
• UHF transmission enhances range, reliability, and scalability.
• EW-D Smart Assist App streamlines setup and operation.
• Automated setup creates reliable connections with minimal time and effort.
• Up to 2,240 selectable frequencies and supports up to 24 wireless systems per frequency range.
• Lithium-Ion battery pack delivers up to 12 hours of operation.
• 56 MHz Bandwidth allows for up to 90 channels.
• 134 dB transmitter dynamic range preserves every detail of dynamic performances.

Specifications

• Frequency range: 470.2 - 526 MHz
• THD, total harmonic distortion: -60 dB for 1 kHz @ -3 dBfs input level
• Operating temperature: -10 °C to +55 °C (14 °F to 131 °F)
• Audio frequency response: 20 Hz - 20 kHz (-3 dB) @ 3 dBfs
• Operating relative humidity: 5 - 95 % (non-condensing)
• EW-D EM Dimensions: 212 x 44 x 189 mm
• Weight: approx. 1000 g (without antennas and power supply)
• Current consumption: 300 mA
• Audio output level: 18 dBu max.
• Transmission power BLE: max. 10 mW EIRP
• Input voltage range: 11 - 13 V
• EW-D SK Dimensions: 63 x 80 x 20 mm (without antenna)
• Weight: approx. 120 g
• Power supply: 2 AA batteries 1.5 V (alkaline manganese) or BA 70 rechargeable battery pack
• Current consumption: < 300 mA
• Input voltage range: 2.0 - 4.35 V
• Transmission power Audio link: 10 mW ERP (Range Y1-3: 12 mW ERP)
• BLE: max. 10 mW EIRP

Package Contents

• EW-D EM Receiver
• EW-D SK Bodypack Transmitter
• CI 1 Instrument Cable
• Lithium-Ion Rechargeable Battery Pack
• Power Supply
• Antenna
• Quick Guide