-Monitors audio activity over a wide range of input voltagesTwo sets of C-form (both N.O and N.C) relay contacts respond to audio activityFour levels of signals: microphone, 600-ohm line, 25V, and 70V speaker systemsBuilt-in balanced, low noise, high gain microphone pre-amTransformer-isolated, 600-ohm small signal level output of detected audio availableWorks with self-amplified or central-amplified paging systemsSeparate microphone pre-amp gain controlAdjustable release delay: 0.25s to 25sTrigger threshold adjustmentRelay active indicator lightAccessories: PRS40C 12V DC Power Supply (Sold separately)
New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
UPC: 00765368200973
PC Certified Guarantee
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
No restocking fees, ever
Refund or store credit — your choice
30 days from invoice date
Return in original condition, securely packed
Fast Shipping
Ships within 2 business days*
Rush & Saturday delivery available — call us
Free ground shipping available (continental US orders over $500)
Overnight delivery available
1-Year Warranty
Covers defects & functional failures
Normal business use, from date of purchase
Batteries: 90 days (consumable)
Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance.
Free/fixed shipping offers exclude palletized items — call for freight rates.
Have shopped PCLiquidations for years, always a satisfying experience.
John E.
Verified
Great experience every time. I have gotten refurbished printers (for work) and a personal laptop. Outstanding value and quality product. I'll never buy new again!
Zach
Verified
Monitor was in excellent condition and shipping was fast. Extremely pleased with this purchase and would purchase from PCLiquidations again.
Sarah P.
Verified
PC Liquidations has the best customer service I've encountered in a long time. I recommend them for all your electronic needs.
Laura A.
Verified
I have ordered many times, you have a great refurbished product, and you stand behind it.
Michael C.
Verified
Outstanding, easy to use. Order arrived early, well packed, no damage. Startup and customozatin was smooth, I'm up and running!
Andy G.
Verified
Y'all have been one of my preferred vendors for years, plus I recommend you to clients and colleagues
Lee M.
Verified
Ordered refurbish office phones at a great price. Shipped quick and all phones are in good shape.
Jackie T.
Verified
It was no hassle. i got what I want and it came on time with zero issues.
Fabrice C.
Verified
Great Price and quality, wonderful service. used PCL many times, for my business
Ronnie C.
Verified
Shipping
Expedited shipping and fast fulfillment.
Guarantee
100% guaranteed for quality and functionality.
Payment
All major credit cards plus Amazon, Paypal, and Affirm.
Returns
No restocking fee, and no hassle returns on refurbs within 30 days.
-Monitors audio activity over a wide range of input voltagesTwo sets of C-form (both N.O and N.C) relay contacts respond to audio activityFour levels of signals: microphone, 600-ohm line, 25V, and 70V speaker systemsBuilt-in balanced, low noise, high gain microphone pre-amTransformer-isolated, 600-ohm small signal level output of detected audio availableWorks with self-amplified or central-amplified paging systemsSeparate microphone pre-amp gain controlAdjustable release delay: 0.25s to 25sTrigger threshold adjustmentRelay active indicator lightAccessories: PRS40C 12V DC Power Supply (Sold separately)
Cosmetic Condition Guide
Choose the cosmetic grade that’s right for you.
All items are fully tested and 100% functional.The grade only describes the item’s physical appearance.
A
GRADE A
Excellent Condition
Very little to no wear
Screens are free of imperfections
Lightest signs of previous use
Best Condition
Best for: customer-facing environments and the best overall appearance.
B
GRADE B
Good Condition
Normal signs of use
May have small scratches and/or minor dents
Screens may have very minor blemishes that do not affect display
Best Value
Best for: great balance of condition and value.
C
GRADE C
Value Condition
Considerable signs of use
Typically scratches and scuffs; some units may also have dents, chips, or worn corners
Screens may have noticeable cosmetic defects
Best price
Best for: maximum savings when appearance is not a priority.
30-Day Returns
Hassle-free returns within 30 days.
Fast Shipping
Quick processing and reliable delivery.
No Restocking Fees
No hidden fees, ever.
1-Year Warranty
Backed by our 1-year warranty.
Video shows typical cosmetic differences. Actual condition will vary by item.
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Please contact us for pricing and availability on this item.
Call 888-654-3376
888-654-3376
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