The Hosa GMP-471 Mini to Sub-Mini Adapter features a 1/8" (3.5mm) female and a 2.5mm sub-mini male connection. The adapter is ideal for connecting mini-plug devices into the sub-mini connections on cell phones, consumer cameras and portable recording devices.
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Hosa Technology GMP-471 Overview
UPC: 728736037397
Hosa Technology GMP-471 Reviews
Probably works
By Peter
Rated 4 out of 5
Date: 2024-07-11
I bought this for a specific device and it didn't work, BUT it may very well be the device, which is old. I haven't tried with another adapter yet to be sure.
allows cordless phone output to splitter
By Paula
Rated 5 out of 5
Date: 2020-09-30
This adapter fits into a cordless phone, allowing use of an alternate sound output, to a Bluetooth adapter and other microphones via a splitter. Though 2-ringed, in this setup it produces only mono sound via Bluetooth, but it was the only thing that worked. (A smaller version from a competitor, though not such a tight fit, produced very loud feedback, though it was not 3-ringed.) This is probably not its intended use, but it does the trick.
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