RDL TX-8I – Headphone Isolation Transformer is backordered and will ship as soon as it is back in stock.
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What is the RDL TX-8I?
The RDL TX-8I is a headphone isolation transformer that galvanically isolates headphones from the source equipment. It drives headphones of 8 Ω or greater and includes an overload LED to help installers set operating levels.
How does it work?

The TX-8I places an isolation transformer between the source amplifier and the headphones, giving galvanic isolation in the compact RDL TX module format. An overload LED flashes when the operating level is exceeded, helping installers set levels correctly. Bandwidth is 100 Hz to 15 kHz with THD+N below 0.1% at 1 kHz and 50 mW, and the module is hi-pot tested at 1.5 kVAC. It mounts with RDL TX-series hardware such as the RDL TX-RA5 rack adapter, the RDL TX-RRB1 rear rail kit or the RDL DRA-35T DIN rail adapter.
What are the key features?
- Galvanic Isolation — The transformer isolates headphones from the source equipment.
- 8 Ω and Higher Loads — The module drives headphone impedances of 8 Ω or greater.
- Overload LED — An LED flashes when the operating level is exceeded.
- Low Distortion — THD+N is below 0.1% at 1 kHz and 50 mW.
- Hi-Pot Tested — Isolation is hi-pot tested at 1.5 kVAC, 1 mA for 2 seconds.
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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