Can this work on a home stereo.

Yes, it works both in car audio and home audio application

Have yamaha rx-750. Rca bose bookshelf speakers. If I place a unit for each speaker wire directly will this stop ground loop hum?

Depends , what I have noticed with my system is the hum has more to do with how your system is wired. To be honest it actually killed some of my bass. Hope this helps.

Are the female connectors the input or output? Or maybe direction doesn't matter?

The female connectors are usually used as the input because the RCA cables are already run from the head unit to the amplifier using a male to male cable. And then you find out there is hum that needs to be eliminated. The female side allows the existing cable to be used by unplugging the RCA cable from the amplifier and plugging into this noise filter and then the noise filter male connectors plug into the amplifier. Electronically it should work with either side as the input because it is a passive filter. But I've never needed to use male connector as the input because I always put the noise filer as close to the amplifier as possible. I don't think either side is labeled as "input" so you should be able to use it with the male connector as the input.

will this work if I'm getting some hissing noise when connecting a digital piano to a stereo receiver?

Well it filtred out ac from Mixer to powered speakers

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Description

🔊 Elevate your sound game—ditch the buzz, keep the beat!

SLEEK DURABLE DESIGN - Compact cylindrical metal casing with heat shrink tube for long-lasting protection and style.
PLUG PLAY CONVENIENCE - 28cm interconnect cables included for easy integration with your car or home stereo setup.
POWER PACKED PERFORMANCE - Handles up to 20 Amps and 60 Watts to keep your audio signal strong and stable.
GOLD PLATED RCA CONNECTORS - Premium 2 male + 2 female RCA connectors ensure flawless, corrosion-resistant connections.
CRYSTAL CLEAR AUDIO ZERO NOISE - Say goodbye to annoying ground loop hums and buzzes disrupting your vibe.

The Conext Link RCA Stereo 2 Channel Ground Loop Isolator is engineered to eliminate humming and buzzing caused by ground loop issues in car and home audio systems. Featuring a robust 20 Amp, 60 Watt capacity and a wide 20-30K Hz frequency range, it filters out DC current to deliver clean, uninterrupted sound. Its durable cylindrical metal case with heat shrink tubing and gold-plated RCA connectors ensure reliable, corrosion-resistant connections. With 28cm interconnect cables included, this isolator offers a seamless plug-and-play solution to upgrade your audio experience.

Specifications

Brand	Conext Link
Connector Type	RCA
Cable Type	Composite
Compatible Devices	PC
Special Feature	Low Voltage
Recommended Uses For Product	improving audio signal quality in car audio and home stereo systems
Colour	Gold
Connector Gender	Male-to-Female
Shape	Round
Number of Pins	1
Frequency	3E+1 KHz
AC Adapter Current	20 Amps
Net Quantity	1 Count
Model Name	Conext Link AD104
Specification Met	No
Indoor/Outdoor Usage	Outdoor
Number of Items	2
Customer Package Type	Standard Packaging
Wattage	60 Watts
Maximum Voltage	12 Volts
Outer Material	Metal
Manufacturer	Conext Link
UPC	713001601861
Model	AD104
Package Dimensions	10.39 x 6.5 x 3.4 cm; 91 g
Item model number	AD104
Special Features	Low Voltage
Batteries Included	No
Batteries Required	No
Item Weight	91 g

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