The RDL STD-10K is a passive 4-channel audio divider or combiner module from the STICK-ON series, designed for professional audio installations where high-quality, reliable signal splitting or summing is required. This compact, durable unit uses a 10 kΩ resistor network to passively blend or distribute up to four unbalanced line-level signals without the need for power. Its design offers excellent noise performance in a rugged metal enclosure, perfect for inconspicuous mounting in tight spaces or surface areas using its adhesive backing. The module provides a simple, cost-effective solution for various audio signal management tasks in commercial or studio environments.