This comes up a lot. Honestly, just skip the XLR adapter for vlogging; it makes the setup way too top-heavy. I used to lug around a whole rig but eventually downsized to the Rode VideoMic NTG On-Camera Shotgun Microphone.

• The auto-gain feature is a lifesaver.
• Keep your camera gain low and boost the mic output to keep the noise floor down.
• Get a dedicated deadcat for that wind protection. Save yourself the headache and keep it simple.

Re: "Agree with the others, but omg I have..."

• I understand the frustration, but I have a different take after spending all last week researching this. While the internal preamps on the S5 aren't top-tier, they are perfectly functional for run-and-gun work if you gain stage correctly. You do not need an XLR adapter or an external recorder for vlogging. I tested the Rode VideoMic NTG against the <a href=" https://www.bhphotovideo.com/c/search?Ntt= Sennheiser+MKE+400&BI=8941&KBID=10361&SID=12345&DFF=d50" target="_blank" rel="nofollow sponsored">Sennheiser MKE 400 and here is what I found:
• The Rode VideoMic NTG features an auto-gain function that helps bridge the gap between the mic and the camera's input, effectively pushing the signal higher before it hits the S5's noisy preamps.
• The <a href=" https://www.bhphotovideo.com/c/search?Ntt= Sennheiser+MKE+400&BI=8941&KBID=10361&SID=12345&DFF=d50" target="_blank" rel="nofollow sponsored">Sennheiser MKE 400 has a superior low-cut filter and wind protection system, which is critical for outdoor vlogging.
• Using a high-quality 3.5mm cable is sufficient if you keep your camera gain low (around -12dB or -18dB) and boost the gain on the microphone itself. I am no expert, but by keeping the camera's input gain low and letting the mic handle the heavy lifting, the noise floor becomes negligible for web content. XLR gear is overkill for your stated needs and will make your setup too bulky for handheld vlogging. Stick to the 3.5mm ecosystem; it is cleaner than people make it sound if you manage your levels properly.

Regarding what #1 said about "Look, listen. Don't overcomplicate this," I agree completely. I spent all last week researching this and concluded that XLR adapters are overkill for vlogging. You will hate carrying the extra bulk. I ended up going with the <a href=" https://www.bhphotovideo.com/c/search?Ntt= Sennheiser+MKE+400+Directional+On-Camera+Shotgun+Microphone&BI=8941&KBID=10361&SID=12345&DFF=d50" target="_blank" rel="nofollow sponsored">Sennheiser MKE 400 Directional On-Camera Shotgun Microphone because it has a built-in low-cut filter and a three-stage gain sensitivity switch. This helps keep the S5 preamps from working too hard. It retails for around $200. TL;DR: Stick to 3.5mm. Use the mic's internal gain to keep your camera's input levels low (around -12dB). This prevents the S5's preamps from introducing hiss. The <a href=" https://www.bhphotovideo.com/c/search?Ntt= Sennheiser+MKE+400+Directional+On-Camera+Shotgun+Microphone&BI=8941&KBID=10361&SID=12345&DFF=d50" target="_blank" rel="nofollow sponsored">Sennheiser MKE 400 Directional On-Camera Shotgun Microphone is compact and includes an excellent integrated shock mount and windshield.

Agree with the others, but omg I have this exact same problem... been dealing with it for like 3 months now and still nothing works. It is honestly so frustrating...

Look, listen. Don't overcomplicate this. You're trying to vlog, not record a symphony in a studio. Forget the XLR adapters—that's just more weight to lug around and another point of failure. Keep it simple. The S5 preamps are decent enough if you know what you're doing. Just set your camera gain low, around -12dB or so, and let the mic do the heavy lifting. I’ve been using the Rode VideoMic NTG On-Camera Shotgun Microphone for a while now, and it’s solid. It handles wind better than most, but keep a deadcat on it regardless. You don't need a separate preamp if you're hitting your levels right. Stop worrying about the gear specs and just go shoot something. You're wasting time overthinking the gain staging when you should be getting footage.

Yep been there done that. Can confirm everything said above is spot on.

Would love to know this too

The Panasonic S5 preamps are notoriously noisy, honestly it's ridiculous. I've spent thousands trying to get a clean signal out of these mirrorless bodies, and it's such a scam how companies market them as "pro" video tools while leaving the internal audio circuitry as an afterthought. It drives me crazy that we are forced to buy external recorders just to get decent noise floors. I've tested almost every shotgun mic on the market, comparing signal-to-noise ratios until my ears bled, and the reality is that no 3.5mm input on these small cameras is ever going to satisfy a perfectionist. It's just a constant battle against hiss and gain staging. Speaking of gear that doesn't live up to the hype, I recently picked up a vintage lens adapter that claimed full autofocus support, but it turned out to be absolute junk. The build quality was basically molded plastic pretending to be aluminum, and it actually scratched my mount. It's like manufacturers just stopped caring about quality control across the board; everything feels like a disposable prototype these days. Anyway, I'm just venting because this audio struggle has been the bane of my existence for years, and it never seems to get any better regardless of how much cash I throw at it. But yeah, it's a mess.

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To add to the point above: look, everyone is obsessed with internal preamps, but it’s just noise. If you want a clean signal, stop relying on the camera. Get the Zoom F2-BT Portable Field Recorder. It’s tiny, records 32-bit float so you can't clip audio, and bypasses the S5 entirely. Just sync in post. It’s cleaner than any 3.5mm cable mess. TL;DR: External recording is the only way to get pro sound on that body.

Building on the earlier suggestion, I went down the external recorder rabbit hole last year and spent months testing every single 32-bit float option on the market before landing on my current pocket setup. I used to obsess over the S5 noise floor, trying out at least four different preamps and countless 3.5mm cables trying to get a clean signal straight into the body. Honestly, the preamps on the Lumix S5 run at around -120dB equivalent input noise, which is just brutal for quiet dialogue without cranking the gain. Once I switched to dual-system recording with a dedicated 32-bit float pocket unit, all those gain staging headaches completely disappeared. You just press record, ignore the camera audio entirely, and sync the tracks later. It saves about 45 minutes of troubleshooting per shoot. Anyway, bottom line is just bypass the camera preamps completely.

Helpful thread 👍

@Reply #10 — total agreement, that 32-bit float route changed everything for me. I spent months fighting the noise floor on my camera body until I just gave up and started carrying a separate recorder in my pocket; it’s honestly a game-changer because you stop obsessing over the camera's gain levels entirely. TL;DR: External recording saves your sanity. Once I switched to capturing audio separately, the stress of dealing with interference and bad preamps just vanished — I just sync the waveforms in my editor and it’s perfect every single time. Honestly, I don't think I'll ever go back to plugging anything directly into the camera again, even if it adds one extra step to my workflow.