








🎶 Elevate your on-the-go sound game with HIDIZS SD2 — where power meets portability!
The HIDIZS SD2 is a compact, high-resolution portable headphone amplifier and DAC featuring the ESS ES9270 chip, supporting up to 32 Bit/384 kHz PCM and native DSD128 decoding. It offers universal Type-C compatibility with plug-and-play convenience, powerful 70mW+70mW output for driving demanding headphones, and enhanced audio features including HD mic support and inline controls. Its sleek aluminum alloy design weighs just 6 grams, making it the perfect travel companion for audiophiles seeking premium sound quality and stylish portability.




| ASIN | B0CS2YS6YH |
| Best Sellers Rank | 183 in Headphone Amplifiers |
| Guaranteed software updates until | unknown |
| Item model number | SD2 |
| Manufacturer | HIDIZS |
| Product Dimensions | 3.45 x 2 x 1 cm; 59.82 g |
N**I
Genuinely 5 star
I have probably 20 dongles dacs and many iems also many hires players . But this one on the go style and very handy easy operation. Firstly I tell what's I liked about this one . 1. Very low battery consumption 2. Very small actually I like the design 3. quite power enough to drive any iems even planar one . 4. Doesn't get very hot only warm 5. Nice sounding better than alc5686 dongles even better with not bass heavy iems also good detail. 5. Excellent mic support if you have earphones with mics very clear conversation also remote support volume up and down play pause. 6. No crackling or digital scratchy sound I'm very happy so far. Only nit picking if you try big ohms impedance headphones like 300ohms you might get struggling. But otherwise best solution on the go . 100 percent recommend.
S**H
Amazing audio quality.
I tried with lossless flac source and audio quality is amazing.
O**W
DO NOT BUY!
Biggest waste of time and money. Very loose usb-c connection that doesn’t even fit if you have a phone case on! The headphone jack is beyond fiddly and doesn’t even work with other Hidizs IEMs. Very unhappy with my purchase and I wouldn’t recommend it to anyone else!
L**Y
It works and it's loud
It gets louder than anything I've used even the other S9 hidiz dac. It's really good
W**Z
Doesn’t fit with my case. iPhone 16 pro max usb C Port
The device requires me to take off my case which is a non starter. It’s a decent DAC for what it is but be warned it may not fit. There is only 1mm clearance. The usb c iPhone 16 pro max has usb C port so should have been a direct connection
M**L
Lot's of punch - but awkward fit
The DAC certainly boosted the output of my phone - but not 100% sure that it massively improved the audio quality, and the DAC doesn't fit well if you have a phone case. Also used it with a laptop but it wasn't as good an audio quality as my desktop DAC/Headphone amp that I normally use (Cambridge Audio dacmagic 200M).
A**R
Absolutely amazing:)
I was pleasantly surprised to hear the built quality from such a tiny dac converter and amplifier. Just amazing. Highly recommended
N**E
Little but strong DAC!
Realy like this dac amp. very small in size but very large in performance, manages wired headphones remote controls, noticed many details in music. 1st time purchaser for any kind of dac amp, I recommend this! Running amazon hd music. Everything works great no problems right out of box.
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