Shure AD221 Axient Digital PSM 2-Way Passive Combiner / Splitter

Optimize RF signal routing and streamline multi-receiver monitoring with the Shure AD221 Axient Digital PSM 2-Way Passive Combiner/Splitter. Designed for professional audio and security integrators, the AD221 splits one incoming feed into two outputs or combines two inputs into a single feed, simplifying rack layouts and reducing cable clutter. Its passive 2-way architecture requires no external power, making it a low-maintenance choice for touring rigs, broadcast trucks, houses of worship, and surveillance monitoring stations. The AD221 also enables Automatic Transmitter Compensation when used with ADTQ or ADTD Axient Digital PSM transmitters, helping defend against passive signal loss and maintaining reliable wireless performance. A durable back plate provides convenient rack or surface mounting for neat, secure installations. Ideal for pro audio, live sound reinforcement, and security/surveillance environments, the Shure AD221 delivers consistent RF distribution and dependable monitoring performance. Add the AD221 to your system to simplify multi-unit PSM deployments and improve the reliability of your wireless monitoring or security audio feeds.

• Simplifies multi-unit PSM setups by combining or splitting RF feeds, reducing cabling complexity and setup time
• Passive 2-way design requires no external power, delivering reliable signal routing for live events and monitoring
• Supports Automatic Transmitter Compensation with ADTQ or ADTD Axient Digital PSM transmitters to minimize passive loss and preserve audio integrity
• Robust back plate and rack-ready mounting help secure gear in broadcast, pro audio, and security monitoring racks
• Ensures consistent wireless connectivity for pro audio, surveillance, and live venue applications where dependable RF distribution matters