Sennheiser EW-D SK R4-9

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Sennheiser EW-D SK R4-9

Sennheiser

EW-D SK R4-9

4.6 Expert Rating

Product Info

Article Number: 519362
Model: EW-D SK R4-9
Category: Transmitters
Price: $306.90

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

The EW-D SK R4-9 is a solid, dependable pocket transmitter, especially good for presenters, public speakers, or anyone needing discreet wireless audio. It's built to handle the rigors of regular use and the digital clarity is a noticeable step up from older analog systems. It's a workhorse solution for those needing reliable wireless without the premium price tag of the top-tier options.

Product Description

  • Sennheiser EW-D SK R4-9
  • Digital Pocket Transmitter for ew-D Radio Links
  • Frequency range R4-9: 552 - 608 MHz
  • Transmitting power: 10 mW
  • Powered by 2x AA batteries or optional BA70 rechargeable battery (not included)
  • Dimensions (W x H x D): 63 x 80 x 20 mm
  • Weight: 120 g
PROS
  • • Robust metal housing provides excellent durability on stage.
  • • Digital transmission ensures clean, interference-free audio.
  • • Compact size and lightweight design enhance mobility and comfort.
  • • Interchangeable AA or BA70 battery option offers flexibility.
CONS
  • • Limited frequency range restricts channel availability in crowded RF environments.
  • • Power output is modest, limiting range compared to higher-powered systems.
  • • No integrated gain control on the transmitter itself.

Product Video

Key Features

Type Digital Pocket Transmitter
Frequency Band 552 - 608 MHz
Channels Typically 12, depending on configuration
Power 10 mW
Battery Life Approximately 8 hours with AA batteries (varies with usage)
Connector 4-pin Hirose

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Frequently Asked Questions

The digital signal provides significantly improved audio clarity and reduced interference, making it noticeably better for environments with RF challenges.
Yes, the BA70 extends battery life and eliminates the need for disposable AAs, making it a convenient and cost-effective long-term solution.
No, this is designed specifically for use with Sennheiser’s ew-D series receivers; compatibility outside of that system is not guaranteed.

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