RDL RU-SH1 – RACK-UP Stereo Headphone Amplifier is backordered and will ship as soon as it is back in stock.
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What is the RDL RU-SH1?
The RDL RU-SH1 is a RACK-UP series stereo headphone amplifier that drives headphones of any impedance from consumer or professional sources. It accepts balanced or unbalanced left and right inputs.
How does it work?

Each input accepts operating levels between -20 dBV and +20 dBu, and recessed rear switches set input sensitivity and stereo or mono operation. In mono mode, the left input drives both output channels. The front-panel control adjusts matched VCAs, so audio never passes through the potentiometer for long-term noise-free adjustment. The amplifier delivers more than 50 mW into high or low impedance headphones through a metal 1/4 in. jack. It mounts in the RDL RC-1UR rack chassis and runs from a 24 Vdc supply such as the RDL PS-24AX 24 Vdc power supply.
What are the key features?
- Any headphone impedance — The output stage drives both high and low impedance headphones.
- Balanced or unbalanced inputs — Left and right inputs accept consumer or professional signals.
- Selectable sensitivity — A rear switch matches the input to +4 dBu or -15 dBV nominal sources.
- Stereo or mono mode — A mode switch lets the left input feed both channels in mono systems.
- VCA level control — The long-life front control adjusts VCAs so audio never passes through the pot.
At Creation Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
Nationwide Audiovisual Services, Design, Installation & Support
Creation Networks is a trusted nationwide partner for complete audiovisual solutions — delivering expert AV system sales, professional design, programming, installation, and ongoing support to organizations across the United States.
From Microsoft Teams Rooms and enterprise video conferencing to LED video walls, live streaming production, and hybrid collaboration systems, we provide end-to-end AV integration using premium, certified technology from industry leaders including Crestron, Q-SYS, Shure, Extron, and Absen.
Whether you operate a single location or manage facilities nationwide, Creation Networks ensures your AV systems are designed for reliability, scalability, security, and long-term performance — helping your organization communicate more effectively and operate at peak efficiency.
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