VU3 VU meter & audio switcher box is originally designed by Douk Audio: As a VU meter, with dual 60*35mm large meter, can dynamically decorate audio environment and provide incomparably visual effects when switching audio signals. As an audio switcher, easily to switch between two amplifiers and 2 pair of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets. Powerful design and strong compatibility: all channels adopt fully isolation design, each channel's GND is independent without mutual interference. Supports all kinds of amplifier such as BTL / class A / class B / class D digital amplifier / tube amplifier etc.
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RCA AUX Audio Switcher 4 In 1 Out Stereo Audio Selector 4X1 3.5Mm Aux L/R RCA Audio Switch Box
Aliexpress UK
This 3 way stereo audio source selector from E-Audio connects up to 3 audio components to your amplifier. It allows you to quickly and easily select which audio source you wish to use, without disconnecting and reconnecting your components.
eBay
DLHiFi SA1000 HiFi Lossless Switching Audio Selector 4 in 2 out 6H3N Tube Headphone Power Front
Aliexpress UK
2-way amplifier/speaker selector: Both working modes (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel select button, convenient to compare the sound quality of 2 pairs of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio devices: Support doing comparisons between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. User-friendly design for easy use: Designed with remote control to operate from the distance; add LED display screen and channel indicators, much clearer to show the working status in real time.
eBay
2-way amp amplifier / speaker loudspeaker selector switch box, stereo audio input signal source
Aliexpress UK
VU3 Pro Amplifier/Speaker Selector: The fully upgraded version of VU3, with great improvements in size, functions and performance. 2-IN-2-OUT (Two groups of speaker jacks support output at the same time), flexible to switch and make a comparison between 2 amplifiers and 2 pairs of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets. Max. 350W Power Transmission and Super Compatibility: With the growing popularity of high-power amplifiers, the power requirements for switchers have also increased. With a maximum pass-through of 350W, the VU3Pro supports various types of high-power digital and tube amplifiers (BTL, Class A, Class B, Class AB, Class D, etc.), including 300W TPA3255 amps and floorstanding speakers. .
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Lusya Remote Preamp Volume Control Board 4-way Audio Input Signal Selector Switching Board T1188
Aliexpress UK
4-way(1-in-4 output) audio splitter, 4 channel can output at the same time, convenient for users to do contrasts among headphone, power amplifier and active speakers etc, each channel with independent volume control, easy to adjust proper volume for different audio devices.
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NEOHIPO ET30 Amplifier Speaker Selector With VU Meter Speaker Switcher with DB Panel Display Audio
Aliexpress UK
3 way audio INPUT RCA signal cable splitter selector switcher switch. SOLUPEAK U31 RCA switcher box 1. Turn the knob on front panel to switching which audio source output you need. >>Use specialized audio rotary switch, easily switch between different audio in or out.
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Rotary Switch Signal Source Selector EIZZ 3 Ways 4 Ways 3 Positions Rotary Adjust Switch HIFI Audio
Aliexpress UK
Versatile Compatibility: Fully supports a wide range of amplifiers. Crafted for Audiophiles: The LC30 was specially developed to cater to our fans' requests.
eBay
Premium 2-way stereo audio amp amplifier speaker selector switch splitter box, 2 IN 1 OUT switcher
Aliexpress UK
VU3 Pro Amplifier/Speaker Selector: The fully upgraded version of VU3, with great improvements in size, functions and performance. 2-IN-2-OUT (Two groups of speaker jacks support output at the same time), flexible to switch and make a comparison between 2 amplifiers and 2 pairs of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets. Max. 350W Power Transmission and Super Compatibility: With the growing popularity of high-power amplifiers, the power requirements for switchers have also increased. With a maximum pass-through of 350W, the VU3Pro supports various types of high-power digital and tube amplifiers (BTL, Class A, Class B, Class AB, Class D, etc.), including 300W TPA3255 amps and floorstanding speakers. .
eBay
MC103-3F Little Bear 3-IN-1-OUT 3 ways XLR Balanced Audio Converter Stereo Passive Selector Switcher
Aliexpress UK