HIFIMAN, EF-5 with Burson V5i upgrade

Replaced stock op-amp OP275 and LME49720. Improved stereo separation and clarity. Stereo-imaging improved. Recomended!
Audinst HUD-DX1 with dual Burson V5i

Still need to listen it …
Xduoo Xd-05 with Burson V5i Opamp Mod

Significant improvement in detail and control, punchy upper bass. Better SOUND!
Walnut V2 with Burson V5i Opamp upgrade

Gone is the rawness and crunch of the Walnut amp, but hello bass, warmth, soundstage and details everywhere. a really worth it upgrade
Burson V5i-D Opamp in XDUOO XD-05

It’s good for my XDUOO XD-05!
FX Audio DAC-SQ5 with Burson V5i Opamp Mod

Replaced stock op-amps OPA2604 and LME49720. First impression was full of surprises. Very much improved stereo separation and crystal clarity. Soundstage widened by an arm’s length in both channels. Stereo-imaging improved. Vocal moves backward a tad bit. Sibilant and grain gone! Top-end more open and airy. Low-end tighter and controlled without being forceful. Improved bass […]
Little Dot 1+ with Burson V5i Opamp Mod
Read about your product as a good upgrade and decided to try it have not listened to it yet.
Little Dot I+ with Burson V5i Opamp Mod

Easy installation Increased sound transparency in my Little Dot.
XDuoo XD-05 with Burson V5i Opamp Mod

Easy install. Noticeable improvement in smoothness and stage, voice tracks much better
Asus ESTX II with Burson V5i Opamp upgrade

I am very pleased. Best ones in the market! A review on head-fi will shortly be up (I go by killerline there).
Marchand Electronics , XM44-3way Electronic Crossover with Burson V5i opamp upgrade

Hand made 3 way speakers with Marchand xm44-3 way crossover , original with 24x opa2134 which was replaced with 12 pairs of burson V5i – improved resolution and soundstage coherence , V5i is an excellent upgrade for sonic performance of XM44. Thank you burson.
ALO The National with Burson V5i opamp upgrade

Good sound
Xduoo XD05 Headamp & DAC with V5i opamp upgrade

Details details, the seperation instruments seperation, punchy upper bass, great clarity on vocals, sparkly treble
Objective 2 headphone amplifier with Burson V5i opamp

Can’t provide any feedback regarding sound without letting it burn it, but it works perfectly.
XDuoo XD-05 with Burson V5i Opamp

Just installed. Surrounding capacitors had to be pushed outwards slightly. Significant improvement in detail and control. Tested with Sennheiser HD800.
Firestone, Fubar IV with V5i Opamp upgrade

Easy to install and fuller & richer Sound
Firestone, Spitfire MK 2 with V5i Opamp upgrade

Easy to install and richer fuller sound. Thank you!
AIM SC808 (updated from 3x JRC 4850D to 3x Burson SS V5i)

General changes: The first one went to flac, but usually poorly executed rock songs from the years 60/70s, where recording techniques strongly differ from today. To my surprise, the biggest change was a significant difference of noise in these songs. It really is a huge plus. Bass: Here, the changes are very clear. There is […]
xDuoo XD-05 with Burson V5i Opamp upgrade

Easy installation. Sounds great out of the box. Looking forward until break-in process is done.
L.K.S Audio MH-DA003 with Burson V5i opamp upgrade

Filled with sound, solid, very good bass control, super price!!!