MillSO
MillSO USB to Dual 3.5mm Audio Jack Adapter, Sapphire Blue TRRS External Stereo Sound Card Headphone Stereo Jack Splitter for Two Headphones, Speakers to a PC, Laptop, Desktop, PS4, PS5-1 Feet
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies MillSO USB to Dual 3.5mm Audio Jack Adapter, Sapphire Blue TRRS Exter… as a solid pick with broad community endorsement in the audio & midi category, based on 151 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. MillSO's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ Backed by MillSO's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- [MillSO USB Sound Card Adapter] - USB to dual 3.5mm female ports, both are TRRS 3.5mm standard. Allows two sets of headphones or speakers to one computer USB port. Great for sharing music, movies with your family, or learn together with your friend, work together with your partner... It's a perfect replacement to bypasses the computer 3.5mm audio port, supports clearer and richer stereo sound. (NOTICE: NOT for TS, TRS mic. NOT for TV, amplifier, CD player, PS3, Xbox, car, or truck)
- [Wide Compatibility] - The USB port of this USB audio adapter compatible with Windows 10/8.1/8/7/Vista/XP, Surface 3 pro, Linux, Raspberry Pi, IOS 8.6 or above, PS5, PS4, etc. Two 3.5mm ports of this headphone jack adapter compatible with two headsets, speakers, or microphones. When using the mic function, please make sure both two plugs connect to 3.5mm ports are TRRS. TRRS plug has 3 black rings. (NOTICE: For any compatibility issues, please contact our warm 24-hour customer support team.)
- [Built-in smart Chipset] - Built-in smart DAC Chip for high-speed audio signal decoding and offers a full and delicate tone, highly restored quality sound, users can enjoy a quality speaker sound system in your headphones. Driver Free, simply Plug and Play. USB bus-powered, no external power required.
- [Premium Materials] - Built-in smart Chipset for high-speed audio signal decoding and offer a full and delicate tone, highly restored quality sound. Robust Sapphire Blue Metal Housing ensures a wear-resistant, anti-corrosion, solid protection, and charming out looking. This aux to USB adapter tightly combined 20 Strands of three Cores, enameled copper, soft, and durable PVC covers. Its high-density shielding protection ensures high stability sound transmission and a soft touch.
- [Reliable Warranty] - MillSO offers an unconditional Warranty for our USB External Stereo Sound Adapter to guard against any quality trouble. Just contact us for MillSO 24-hour warm customer support team. We will solve any problem for you!
Full Specifications
| Brand | MillSO |
|---|---|
| Platform | Windows |
| Connectivity | USB |
| Model Number | MUSB352FHY-30U |
| Compatibility | PC, PS5, PS4, PS3, Xbox, iOS, Linux |
| Built-In Media | PVC |
| Mfr Part Number | PB-MUSB352FHY-30U |
| Audio Output Mode | Stereo |
| Hardware Platform | Computer, Laptop, Desktop, PS4, PS5 |
| Compatible Devices | Personal Computer, Laptop, Gaming Console, Headphone, Microphone |
| Hardware Interface | USB 2.0 |
| Maximum Sample Rate | 48 KHz |
| Hardware Connectivity | USB 2.0 |
| Signal-to-Noise Ratio | 120 dB |
Ready to buy?
MillSO USB to Dual 3.5mm Audio Jack Adapter, Sapphire Blue TRRS External Stereo Sound Card Headphone Stereo Jack Splitter for Two Headphones, Speakers to a PC, Laptop, Desktop, PS4, PS5-1 Feet is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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