Sennheiser BA 70

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What's in the box:

  • Rechargeable lithium ion battery pack for EW-D SK and EW-D SKM-S transmitters


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Special Offer - Limited Quantities

Offered as FINAL SALE, and not eligible for return, refund, or exchange. The special pricing shown for this offer is limited to the units currently in stock. You can see the in stock quantity above. It is possible for this item to be oversold. We will confirm your order right away, and your credit card will not be charged until your order ships.

More dynamic range than any wireless system on the market

The new Sennheiser Evolution Wireless Digital BA 70 rechargeable lithium ion battery pack for EW-D bodypack transmitter SK and handheld transmitter SKM-S is part of a system that breaks the boundaries by providing more dynamic range than any wireless system on the market, automatically securing the most reliable signal in a matter of seconds. And it doesn t stop there; scalable up 90 channels with latency that is practically non-existent. An equidistant tuning grid equally spaces frequencies alongside each other, replacing the need for RF coordination or wireless expertise of any kind. Along with that comes the elimination of intermodulation dropouts and an easier-to-use system overall. Sennheiser's Smart Assist app puts full control right in the palm of your hand, providing automated setup, remote monitoring and mobile access to every system setting, all from the convenience of your Android or iOS device


  • Digital wireless eliminates noise, interference and static bursts
  • UHF transmission greatly enhances range, reliability and scalability
  • Mobile App streamlines setup and operation and eliminates complicated menu
  • Automated setup creates reliable connections with minimal time and effort
  • Up to 2,240 selectable frequencies
  • Lithium Ion battery pack delivers up to 12 hours of operation (up to 8 hours of operation with AA batteries)
  • 56 MHz Bandwidth will allow for up to 90 channels
  • Preserves every detail of even the most dynamic performances with 134 dB transmitter dynamic range

Specifications for the Sennheiser BA 70

{"Physical": {"Dimensions (L x W x H)": "3.0\" x 2.4\" x 1.5\" (77.0mm x 62.0mm x 37.0mm)", "Weight": "0.1 lb (57.0 g)", "Shipping Weight": "16.1 lb"}, "General": {"Sennheiser Part#": "508860", "UPC": "615104343290"}}

We've added technical materials to help with your buying decision. Even if you're technically inclined, you may want to consider talking to our sales techs to make sure this item is the right fit for your particular use. 800.562.6006

Research Materials for Sennheiser BA 70

Introducing Evolution Wireless Digital ? Evolving With You | Sennheiser

Evolution Wireless Digital Tutorials - Introduction & Unboxing | Sennheiser

EW-D SmartAssist App: How to add devices to your dashboard | Sennheiser

Welcome to the EW-D world | Sennheiser

Evolution Wireless Digital Tutorials - Business & Education | Sennheiser

Evolution Wireless Digital Tutorials - Music & Performance | Sennheiser

EW-D SmartAssist App: The check transmitter function | Sennheiser

EW-D ? Intelligent Switching Diversity | Sennheiser

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