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🎧 Unlock cinematic surround sound—because your ears deserve the VIP treatment.
The SOUTHSKY 5.1/2.1 Audio Rush Digital Sound Decoder converts digital optical (Toslink, SPDIF) and coaxial audio signals into 5.1 or 2.1 channel analog outputs via 6 RCA connectors. Supporting Dolby AC-3, DTS, LPCM, and more, it offers one-key switching between surround modes and inputs, with LED indicators and signal memory for seamless use. Compact and compatible with a wide range of devices, it transforms your home theater or gaming setup into an immersive audio experience.








| ASIN | B08KD9NVXY |
| Best Sellers Rank | 249,637 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 575 in Digital-Analog Converters |
| Brand | SOUTHSKY |
| Customer Reviews | 3.6 out of 5 stars 196 Reviews |
| Interface | Coaxial, Optical, RCA |
| Interface type | Coaxial, Optical, RCA |
| Manufacturer | SOUTHSKY |
| Manufacturer Part Number | US42 |
| Maximum Supply Voltage | 5 Volts |
| Maximum supply voltage | 5 Volts |
| Minimum Supply Voltage | 5 Volts |
| Minimum supply voltage | 5 Volts |
| Model Number | US42 |
| Mounting Type | Coaxial |
| Mounting type | Coaxial |
| Number of Channels | 6 |
| Number of Pins | 14 |
| Number of pins | 14 |
| UPC | 788424416316 |
D**A
It works well.
Needed to connect a new tv to an old stereo receiver. It was very easy to setup. No issues getting 5.1 vs 2 channel as some noted. I thought this would be the best connection method, take advantage of the 6 channel input on my stereo. There is one aspect I didn’t think of. there is no method to tune or balance the frequencies of each channel. The cut off to the center and fronts is quite high and thus without a subwoofer connected there is very little bass. Perhaps the alternate method to buy a digital to analog converter and use the stereo’s surround options and settings to get the best sound is a better option for my scenario. But I can’t reduce the rating based that.
C**S
Works great, be aware of volume control limitations.
This worked well out of the box but I missed that it did not have an HDMI in. The optical connection worked but it's basically full volume--TV volume control ignored. I bought this to run powered PA speakers off an an older LG TV with ARC and optical out, a hacked together surround sound with equipment on hand. I did have some buzzing on on the rear channel but I think that was from a substandard cable.
B**N
Not a great product
Was trying to use a set of computer speakers for my home theatre setup. The sound floor is awful, the speakers buzz quite a bit at anything more than half volume and they’ll be there a lot because it made the speakers really quiet. While the surround sound effect was really good with great locational audio (sound stage)
J**.
Stopped working out the box
It stopped working within 10 to 15 minutes of connection! There was a slight static that increased. After powering on/off, all functionality ceased. All I get now is the power light. That said, for the brief 10 to 15 minutes that it worked…it worked. Buyer beware!
C**A
Decodes surround channels 5.1 with switchable 5.1 or 2.1 output
The SOUTHSKY 5.1/2.1 Audio Rush Digital Sound Decoder works great for connecting my stereo Sennheiser headphones. I'm taking 5.1 surround sound from a gofanco extractor and decoding to analog RCA outs. This unit has a switch that combines the 5 surround channels making left front and right front mixed stereo outputs plus subwoofer out. I am finally able to keep surround sound playback in the room and provide headphone audio for my wife. Other splitters I have tried always switched my Receiver from 5.1 surround encoding to PCM stereo when I connected to use the left and right RCA outputs. This unit connected to a gofanco HDMI to HDMI extractor set to 5.1 surround makes my Receiver stay in surround mode so all my devices ( Firetv, Blu-ray player & Dish TV) play out surround sound.
Trustpilot
5 days ago
3 weeks ago