Sennheiser
Sennheiser 503873 ASA1 Active Splitter Power Supply
★★★★★
Reliable Power for Your Sennheiser ASA1 SplitterThe Sennheiser Pro Audio NT 1-1-US power supply ensures consistent and reliable power for your ASA1 active splitter. This essential accessory guarantees optimal performance and seamless operation for your professional audio setup...
$89.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Reliable Power for Your Sennheiser ASA1 Splitter
The Sennheiser Pro Audio NT 1-1-US power supply ensures consistent and reliable power for your ASA1 active splitter. This essential accessory guarantees optimal performance and seamless operation for your professional audio setup...
Key Features
Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.
Specifications
Product Type
Active Splitter Power Supply
Brand
Sennheiser
Pros & Cons
👍 Pros
- Functions as an active splitter and power supply, streamlining the setup of multiple wireless microphone systems.
- Designed by Sennheiser, a brand recognized for professional audio equipment quality.
- Simplifies power distribution to multiple units, reducing the need for numerous power adapters.
- Acts as a signal splitter, allowing a single antenna pair to feed multiple receivers efficiently.
- Aids in reducing cable clutter by combining power and signal functions into one unit.
👎 Cons
- The "Consumer Alert" explicitly states that most users do not need a license, but acknowledges that operating without a license is subject to restrictions, which could be a limitation for some.
- The warning about potential harmful interference and lack of protection from other devices indicates operational limitations in certain environments.
- Operates at a low power level not exceeding 50 milliwatts, which may limit the effective range or signal strength in large venues.
- The specific power output or number of splits it can handle is not detailed, which could impact scalability.
- The product's advanced function may require technical understanding for optimal setup and compliance.
Frequently Asked Questions
What is the primary function of the Sennheiser 503873 ASA1 Active Splitter Power Supply?
The primary function of the Sennheiser 503873 ASA1 is to act as an active splitter and power supply for wireless microphone systems, combining signal distribution and power into one unit.
Do I need a license to operate a wireless microphone system with this power supply?
A consumer alert indicates that most users do not need a license to operate this wireless microphone system. However, operating without a license is subject to certain restrictions, including limitations on power level and interference.
What are the restrictions for operating this microphone system without a license?
Restrictions include that the system may not cause harmful interference, must operate at a low power level (not exceeding 50 milliwatts), and has no protection from interference received from any other device.
What is the power output limitation for this system when operated without a license?
When operated without a license, the system must operate at a low power level, specifically not in excess of 50 milliwatts.
Does this power supply protect against external signal interference?
No, the consumer alert explicitly states that the system has no protection from interference received from any other device.
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