Sennheiser EW-D SKM-S R4-9

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Sennheiser EW-D SKM-S R4-9

Sennheiser

EW-D SKM-S R4-9

4.5 Expert Rating

Product Info

Article Number: 519397
Model: EW-D SKM-S R4-9
Category: Transmitters
Price: $327.80

* Prices may vary. Check retailer for current pricing and availability.

The EW-D SKM-S R4-9 is a solid, dependable wireless transmitter. It's perfect for vocalists and presenters needing a reliable, clean signal in moderately busy RF environments—think wedding bands, corporate events, or smaller stages. The digital transmission really cuts through the noise, and the build quality feels professional.

Product Description

  • Sennheiser EW-D SKM-S R4-9
  • Digital Handheld Transmitter for ew-D Radio Links
  • Frequency range R4-9: 552 - 608 MHz
  • With on/off switch
  • Operation with 2x 1.5 volt AA batteries or optional BA70 rechargeable battery (not included)
  • Transmitting power: 10 mW
  • Dimensions: 40 x 200 mm (without microphone capsule)
  • Weight: approx. 195 g (without microphone capsule)

*Note:* Microphone capsule not included

PROS
  • • Robust metal construction inspires confidence on stage.
  • • Digital transmission offers clean, reliable audio even in crowded RF environments.
  • • Compact form factor makes it comfortable for extended use.
  • • Flexible battery options (AA or BA70) provide operational convenience.
CONS
  • • Capsule not included, adding to the overall system cost.
  • • Relatively short battery life with standard AAs under heavy use.
  • • Limited channel availability within the R4-9 band requires careful frequency coordination.

Product Video

Key Features

Type Digital Handheld Transmitter
Frequency Band 552 - 608 MHz
Channels Approximately 32 (depending on bandwidth and settings)
Power 10 mW
Battery Life Approximately 6 hours with AA batteries (varies with usage), 10 hours with BA70 rechargeable battery
Connector Proprietary Sennheiser EW-D connector

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Frequently Asked Questions

It accepts standard Sennheiser capsules, including the popular K-08 dynamic and M-80 cardioid condenser options, ensuring versatility.
Digital offers significantly improved audio clarity and resistance to interference, especially in areas with a lot of wireless devices operating.
While the EW-D system assists with coordination, larger events in congested areas may still require manual scanning and frequency selection to avoid interference.

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