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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🎧 Switch Smart, Stay Connected — Your Audio Hub Awaits!

MUTE ON DEMAND - Instantly silence your audio with a dedicated red mute button—perfect for quick breaks or private moments.
COMPACT LIGHTWEIGHT - At just 115x65x45mm and 100g, it fits perfectly into any modern minimalist setup without clutter.
POWER FREE CONVENIENCE - Completely passive design means zero cables, zero power adapters—just pure plug-and-play simplicity.
UNIVERSAL COMPATIBILITY - Works flawlessly with all RCA-equipped devices—CD players, TVs, amplifiers, and more for ultimate versatility.
SEAMLESS 3 IN 1 AUDIO SWITCHING - Effortlessly toggle between 3 audio sources or distribute 1 source to 3 outputs with a smooth rotary switch.

The SOLUPEAK 3-in-1 RCA Audio Source Switcher is a compact, passive device that allows seamless switching between three audio inputs or distribution to three outputs without any power supply. Featuring a smooth rotary selector and a handy mute button, it simplifies managing multiple audio devices like CD players, TVs, and amplifiers, making it an essential tool for streamlined, clutter-free audio setups.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

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Cable Type	RCA
Number of Ports	3
Compatible Devices	Television, DVD Player
Connector Type	RCA
Item Dimensions D x W x H	2.36"D x 4.25"W x 1.77"H
Color	3 ports RCA switch(3 IN 1 OUT)

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

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