Sennheiser EW-D SK Base R4-9

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Sennheiser EW-D SK Base R4-9

Sennheiser

EW-D SK Base R4-9

4.9 Expert Rating

Product Info

Article Number: 519217
Model: EW-D SK Base R4-9
Price: $581.90

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

This Sennheiser EW-D SK Base R4-9 is a solid wireless solution for gigging guitarists and bass players needing reliable performance. The digital transmission and Sennheiser's renowned build quality make it a step up from cheaper systems, offering professional-grade clarity and ease of use, especially on stages with potential RF issues.

Product Description

  • Sennheiser EW-D SK Base R4-9
  • Digital Wireless System
  • Frequency range R4-9: 552 - 608 MHz
  • Switching bandwidth: 56 MHz
  • Dynamic range: 134 dB
  • Audio transmission range: 20 - 20.000 Hz
  • Transmitter power: 10 mW
  • Connection: 3.5 mm TRS jack with a screw thread
  • 4-Digit battery indicator on the receiver
  • Mobile access possible via Smart Assist App for system settings
  • Operating time with AA batteries: up to 8 hours
  • 2 BNC antenna connectors
  • Outputs: XLR
  • jack (balanced/unbalanced)
  • Incl. 2 x antennas
  • a power supply with country adapter
  • rackmount set and AA batteries
  • Matching guitar cable: #148536# (not included)
PROS
  • • Rock-solid Sennheiser build quality, feels durable and reliable
  • • Digital clarity minimizes RF interference, excellent for noisy stages
  • • Smart Assist App offers convenient remote system management
  • • Versatile output options (XLR, Jack) suit diverse setups
CONS
  • • AA battery power is less convenient than rechargeable options
  • • Frequency range R4-9 might face interference in congested areas
  • • Higher price point makes it a significant investment

Product Video

Key Features

Frequency Band 552 - 608 MHz
Channels Dependent on bandwidth, typically 12-16
Range Up to 300 ft, line of sight
Latency Under 3ms, virtually imperceptible
Battery Life Up to 8 hours with AA batteries
Connector 3.5 mm TRS with screw thread

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Frequently Asked Questions

The app simplifies frequency scanning and settings adjustments, but experienced users can still manually configure the system for fine-tuning.
Availability varies by region; check local regulations to ensure the R4-9 band is license-free or doesn’t require registration in your area.
The digital transmission delivers exceptionally clean audio; the difference compared to a wired connection is minimal and primarily benefits wireless convenience.

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