RDL ST-ACR1M Microphone-Level Controlled Relay by RDL - Used condition

RDL ST-ACR1M Microphone-Level Controlled Relay — Open-Box, 35% Off

Name: RDL ST-ACR1M Microphone-Level Controlled Relay
Brand: RDL
SKU: awhd-us-b008zta6r0
Price: 125.10 USD
Availability: InStock

Brand: RDL

Condition: Used - VeryGood

$125¹⁰

$191⁵⁹

-35% Save $66⁴⁹

Updated: 19 hours 46 mins ago

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Description

Mic-Level Controlled Relay - 0.5 to 5 s Delay

Each of the ST-ACR products is an Audio Controlled Relay in the STICK-ON(R) series. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications. The ST-ACR-1M is designed to switch on low-level sources, such as microphones or mic-level sources.Two multiturn trimmers are provided. TheSENSpotentiometer adjusts the audio input sensitivity. A threshold LED facilitates accurate adjustment. The module can be set to trigger on signals between -65 dBu and -20 dBu. TheDELAYcontrol sets the time required for the relay to release when the audio drops below the threshold. The adjustment range is from 0.5 seconds to 5 seconds.FeaturesSwitching Controlled by Audio SignalSensing of Microphone-Level SignalSilence SensingDPDT Switching ContactsOpen-Collector SLAVE Output

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Product Details

SKU:: awhd-us-b008zta6r0
Model:: ST-ACR1M
Country:: US
ASIN:: B008ZTA6R0
UPC:: 813721011169

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $66 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.