The Sennheiser EW-DP SKP (R4-9) is a compact and reliable plug-on transmitter with an XLR 3-F P48 connection and a 3.5mm microphone input jack, designed for professional audio applications. With an ultra-high frequency (UHF) range of 552 – 607.8 MHz, Bluetooth connectivity, and a latency of just 1.9 ms, it provides excellent sound transmission for microphone setups. It also includes a rechargeable battery and offers a maximum SPL of 120 dB.
The Sennheiser EW-DP SKP (R4-9) plug-on transmitter is designed for professional audio applications and is ideal for use in broadcast, live performances, and theater settings. With a UHF frequency range of 552 – 607.8 MHz, the transmitter offers high-quality sound with low latency, making it perfect for environments where reliability and clarity are essential. The transmitter has a maximum SPL of 120 dB, which ensures clear audio even in high-volume situations.
The EW-DP SKP (R4-9) comes with a 3.5mm microphone input jack and XLR 3-F P48 connection, offering flexibility in connecting different microphones. This device also supports Bluetooth connectivity, allowing for convenient wireless management and monitoring. With a latency of just 1.9 ms, it delivers real-time audio transmission, making it suitable for live applications where delay can be a concern.
Designed for durability, this plug-on transmitter operates within a temperature range from -10°C to 55°C and can be powered by a rechargeable battery. It’s lightweight, weighing just 163g, and its compact size allows for easy use without adding unnecessary bulk.
Key Features:
- Ultra-high frequency (UHF) range: 552 – 607.8 MHz
- Latency of just 1.9 ms for real-time audio transmission
- Maximum SPL: 120 dB for clarity in loud environments
- Bluetooth connectivity for wireless management and monitoring
- 3.5mm microphone input jack and XLR 3-F P48 connection for versatile microphone compatibility
- Rechargeable battery for convenience and eco-friendly use
- Operating temperature range: -10°C to 55°C
- Lightweight and compact design (163g)
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1 x EW-DP SKP (R4-9) plug-on transmitter
- Transmitter Height: 42 mm
- Transmitter Width: 42 mm
- Transmitter Depth: 108 mm
- Weight: 163g
- Frequency Range: 552 – 607.8 MHz
- Maximum SPL: 120 dB
- Latency: 1.9 ms
- Operating Temperature: -10°C to 55°C
- Power Supply: Rechargeable battery
- Bluetooth: Yes
- 3.5mm Microphone Input Jack: 1



































