Line-Level Audio Controlled Relay - 5 to 50 s delay
Radio Design Labs ST-ACR2
Overall Rating: 3.2 / 5 (average from multiple review sources, as of 9 Feb 2026)
Based on a total of 42 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 42 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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£159.41
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Radio Design Labs ST-ACR2
Overall Rating: 2.1 / 5 (average from multiple review sources, as of 11 Feb 2026)
Based on a total of 45 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 45 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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£159.41
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Line-Level Audio Controlled Relay - 5 to 50 s delay
Overall Rating: 5.0 / 5 (average from multiple review sources, as of 1 Feb 2026)
Based on a total of 27,957 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 27,957 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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£171.83
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Radio Design Labs ST-ACR2 - Details
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We have found 3 prices for Radio Design Labs ST-ACR2. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Radio Design Labs ST-ACR2 - Price Information
- Cheapest price: £159.41
- The cheapest price is offered by itsupplies.uk . You can order the product there.
- The price range for the product Radio Design Labs ST-ACR2 is €£159.41to €£171.83 with a total of 3 offers.
- Payment methods: The online shop itsupplies.uk supports: Visa, Mastercard
- Delivery: The shortest delivery time is Standard delivery in 3 working days working days offered by itsupplies.uk .
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Line-Level Audio Controlled Relay - 5 to 50 s delayThe ST-ACR2 is an Audio Controlled Relay in the STICK-ON? series. These products are designed for quick convenient installation and reliable operation in a variety of control applications. The ST-ACR2 is designed to switch on line level sources.Two multiturn trimmers are provided. The SENS potentiometer adjusts the audio input sensitivity. A threshold LED facilitates accurate adjustment. The module can be set to trigger on signals between -30 dBu and 0 dBu. The DELAY control sets the time required for the relay to release when the audio drops below the threshold.The delay adjustment range for the ST-ACR2 is from 5 seconds to 50 seconds.Features:• Switching Controlled by Audio Signal• Sensing of Line-Level Signal• Silence Sensing• DPDT Switching Contacts• Open-Collector SLAVE Output
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