SIUNIMAS
4-in 1-Out RCA and 3.5mm Aux Audio Receiver Switching Box 4 Channels Audio Converter Passive Audio Selector Switch Box 1-in 4-Out (S401-RCA AUX)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies 4-in 1-Out RCA and 3.5mm Aux Audio Receiver Switching Box 4 Channels… as a solid pick with broad community endorsement in the audio & midi category, based on 17 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. SIUNIMAS'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
- ✓ Solid 4.4★ customer rating
- ✓ Quality Metallic Design with Non-Slip Feet Audio Receiver Selector Box
- ✓ Backed by SIUNIMAS's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ 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
- SIUNIMAS 4-in 1-Out RCA and 3.5mm Aux Audio Receiver Switching Box 4 Channels Audio Converter Passive Audio Selector Switch Box 1-in 4-Out
- SIUNIMAS Gold Coating RCA AUX audio switcher both working for 4-in 1-output and 1-in 4-out reversible, compatible with most of the RCA Aux Audio playing devices.(Notes: 1-IN 4-OUT is not meaning 4 sets of output working simultaneously).
- RCA 3.5mm Aux speaker switch box is well designed with metallic shell with EVA anti-slip mat make it very durable and convenient in using, quality RCA connector with gold coating make it no any signal loss in transmission.
- Passive audio selector design, plug&play. No need extra power supply and no worrying about using the right power supply as this is a very basic passive unit, ABS quality switching button, easy to setup and requires no DC/AC adapter.
- Quality Metallic Design with Non-Slip Feet Audio Receiver Selector Box
Full Specifications
| Brand | SIUNIMAS |
|---|---|
| Color | Black |
| Cable Type | Auxiliary |
| Model Number | S401-RCA AUX |
| Compatibility | Switch |
| Connector Type | 3.5mm Jack, RCA |
| Number of Ports | 4 |
| Compatible Devices | DVD Player, Laptop, Projector, Smartphone, Tablet |
| Warranty Description | ONE YEAR WARRANTY |
| Item Dimensions D x W x H | 3.55"D x 5.5"W x 1.6"H |
| Connector Type Used on Cable | 3.5mm Jack, RCA |
Ready to buy?
4-in 1-Out RCA and 3.5mm Aux Audio Receiver Switching Box 4 Channels Audio Converter Passive Audio Selector Switch Box 1-in 4-Out (S401-RCA AUX) 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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