Can this device simultaneously play audio from two different inputs or does it only switch in between the two audio inputs?

It only switches between the two audio inputs. It cannot mix or play two inputs together. I use it in reverse, with the audio from my computer connected to the OUT jack, with computer speakers connected to A, and headphones connected to B. Works great!

Can I turn off switch and hear or overlap all three input devices (computers) at the same time?

There is no off position on the knob, you can only switch between the 4 inputs, just one at a time, you cannot overlap or channel more than one at a time. This is a very solid high quality audio switch, I use it for my turntables setup.

Does this support 4 pole? Specifically can a headset with a mic be plugged in to an output and transmit to an input computer?

I am fairly but not absolutely certain the answer is no. I don't particularly want to disassemble mine to check for sure but it's open construction gives some visibility into how many solder connections there are to the input and output jacks. Between that and what people say about it comments, and the product description -- pretty sure, no. That could be a nice product, though.

Can this be used for a phono signal (not line)?

If the phono signal is already at line level (amplified though a preamp with the required R.I.A.A. curve, the answer is yes. Otherwise, no.

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3 in 1 Out RCA Stereo Audio Source switcher Switch Signal selector Splitter schalter Connector Distributor Box

Product ID: 496329242

Details

Brand
SOLUPEAK
Cable type
RCA
Colour
3 ports RCA IN
Compatible devices
DVD Player
Connector type
RCA

⚡No power supply needed

🔄3-in-1 input & 1-out or vice versa

🔇Instant mute with one click

€ 48.57

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Switch Smart, Stay Connected, and Never Miss a Beat!

ONE CLICK MUTE CONTROL - Silence your audio instantly with the convenient red mute button—perfect for quick breaks or private moments.
PLUG PLAY SIMPLICITY - No technical hassle—just connect your devices and switch sources with ease, saving time and eliminating cable chaos.
UNIVERSAL COMPATIBILITY - Works flawlessly with CD players, TVs, computers, amplifiers, and more, making your audio ecosystem effortlessly connected.
COMPACT POWER FREE DESIGN - Ultra-portable and completely passive—no batteries or external power required, ideal for minimalist setups.
SEAMLESS MULTI SOURCE SWITCHING - Effortlessly toggle between 3 audio inputs or distribute 1 input to 3 outputs with a smooth rotary switch.

The SOLUPEAK 3-in-1 RCA Stereo Audio Source Switcher is a compact, passive signal selector that allows seamless switching between three audio inputs or distribution from one input to three outputs. Featuring a smooth rotary switch and a handy mute button, it requires no external power and supports a wide range of devices including CD players, TVs, and amplifiers. Perfect for professionals seeking a clutter-free, efficient audio setup.

Specifications

ASIN	B085Y96LHZ
Audio Output Mode	Stereo
Best Sellers Rank	41,190 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 768 in RCA Cables
Brand Name	SOLUPEAK
Cable Type	RCA
Color	3 ports RCA switch(3 IN 1 OUT)
Compatible Devices	DVD Player, Laptop, Television
Connector Type Used on Cable	RCA
Country of Origin	China
Customer Reviews	4.1 4.1 out of 5 stars (177)
Item Dimensions D x W x H	6D x 10.8W x 4.5H centimetres
Item Weight	0.1 Kilograms
Manufacturer	Zhuogang
Model Number	AS31
Number of Items	1
Number of Ports	3
UPC	659438712261

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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1 month ago

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€ 48.57

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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