eSynic
Portable Optical to 3.5mm Adapter-7 FT Long-192KHz DAC Converter-Metal Shell-Built in DAC Chip-Easy to Setup-For HDTV/Blu-Ray/Gaming Console to 3.5MM Audio Speaker & Headphone-Not Bidirectional
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The Portable Optical to 3.5mm Adapter-7 FT Long-192KHz DAC Converter-Metal Shell-Built in DAC Chip-Easy to Setup-For HDTV/Blu-Ray/Gaming Console to 3.5MM Audio Speaker & Headphone-Not Bidirectional is a solid pick with broad community endorsement in the display & crt accessories category, priced around $11.57, rated 4.2★ across 46 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
SpecPicks Verdict
SpecPicks classifies eSynic Portable Optical to 3.5mm Adapter-7 FT Long-192KHz DAC… as a solid pick with broad community endorsement in the display & crt accessories category, based on 46 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. eSynic's positioning sits within the broader category mid-tier. 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 display & crt accessories 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 4.2★ customer rating
- ✓ Backed by eSynic'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
- 🎧【192kHz Hi-Res Audio - Studio-Grade Clarity】----:Our eSynic Professional 192KHZ optical to 3.5mm Converter Can Unlock CD-quality sound (24-bit/192kHz PCM) from your TV/gaming console! Our DAC Converter 105dB SNR and -90dB THD - hearing subtle details like guitar picks and breath sounds that cheap converters miss.
- 📺【Universal Plug & Play - Works in 30 Sec】-----:Our eSynic Optical to AUX Converter Just Plug optical cable (included) to your HDTV/PS5 Input then Connect 3.5mm (included) to speakers/ TV Wireless headphones. Enjoy zero-lag audio - no drivers or apps needed Auto-detects 32-192kHz signals - works with Roku/Fire TV/Switch!
- 🔇【Smart Noise Cancellation - Dead Silent】----:Hate hissing between songs? Our eSynic Digital to Analog Audio Converter With auto-muting chip: Eliminates background static when idle Blocks HDMI handshake noise 94dB channel separation for crystal stereo imaging. Finally, silence when pausing Netflix!"
- 🛡️【Durable-Grade Shielding - No Interference】---:Our eSynic Portable clean audio Optical to 3.5MM Adapter With Aluminium Alloy armor + advanced circuitry prevents: Ground loop hum from power sources Signal degradation in long cable runs0Perfect for crowded entertainment centers
- 👆 + 🎯 [Pay More Attentions]---:Our DAC Converter only supports PCM audio format output and does not support Dolby (it is not compatible with 5.1-channel signals such as Dolby AC3. Remember Please set the audio output to PCM for use first). It only supports optical input and 3.5MM output. It does not support mutual conversion or RCA output. When there is noise, it is recommended to use a power supply of 5V 1A.
- ⚠️ 【Important Compatibility Guide】Key Limitations to Ensure Proper Setup----:① Audio Format: Supports PCM 2.0 ONLY (NOT compatible with Dolby/DTS 5.1/7.1)② Direction: Optical → RCA conversion ONLY (not bidirectional)③ Volume Control: Adjust output volume through your speaker/amplifier, NOT via TV remote④ Power: Requires 5V/1A USB power adapter (not included)⑤ Device Check: Confirm your source device can output PCM audio before purchase
Full Specifications
| Brand | eSynic |
|---|---|
| Model | ESY321 |
| Interface | Optical |
| Part Number | RINESY321 |
| Connectivity | Wireless, USB |
| Compatibility | PS5, Switch |
| Material Type | Aluminum Glass |
| Mounting Type | Handheld/Desktop |
| Number of Pins | 7 |
| Connection Type | Wireless |
| Compatible Devices | HDTVs/Gaming Consoles/DVD/Set top box/Blu-Ray to 3.5mm Audio Equipment |
| Number of Channels | 2 |
| Included Components | 1x 192kHz DAC Converter, 1 x User Manual ,1 x USB Power Cable |
| Maximum Supply Voltage | 5 Volts (DC) |
Ready to buy?
eSynic Portable Optical to 3.5mm Adapter-7 FT Long-192KHz DAC Converter-Metal Shell-Built in DAC Chip-Easy to Setup-For HDTV/Blu-Ray/Gaming Console to 3.5MM Audio Speaker & Headphone-Not Bidirectional 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 2026-05-26. Price and availability subject to change.
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