What is the RDL TX-LM2?
The RDL TX-LM2 is a transformer that matches a balanced 600 Ω phone line or other line-level source into a microphone or line input. It provides both an unbalanced line-level output and a balanced mic-level output.
How does it work?

The TX-LM2 accepts a balanced 600 Ω line and transforms it for the destination input. Dual outputs let installers choose unbalanced line level or balanced mic level, depending on the receiving equipment. Frequency response is 20 Hz to 20 kHz (±0.5 dB) with THD below 0.05% at 1 kHz. Mount it with the RDL TX-HRA3 10.4" rack mount, the RDL TX-RA5 19" racking system or the RDL RC-HPS1 alongside a desktop power supply.
What are the key features?
- Line to mic conversion — It matches a balanced 600 Ω line into a mic or line input.
- Dual outputs — It provides unbalanced line-level and balanced mic-level outputs.
- Full-range response — Frequency response is 20 Hz to 20 kHz (±0.5 dB).
- Low distortion — THD is below 0.05% at 1 kHz.
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.
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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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