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Sony XLR-K3M Dual-Channel Digital XLR Audio Adapter Kit with Shotgun Microphone

BH #SOXLRK3M • MFR #XLR-K3M
Sony XLR-K3M Dual-Channel Digital XLR Audio Adapter Kit with Shotgun Microphone
Key Features
  • For DSLR, Mirrorless Cameras
  • 2 x XLR-1/4" Mic/Line & 1 x 3.5mm Input
  • ECM-XM1 Shotgun Mic with Fur Windscreen
  • Selectable Digital/Analog Output
The Sony XLR-K3M is a dual-channel digital XLR audio adapter that allows you to connect microphones and other audio sources to cameras equipped with a Multi Interface Shoe. Released alongside the a7R IV, which benefits from its built-in digital audio interface, the adapter is able to produce its best quality by delivering a digital audio stream directly to the camera through the Multi Interface Shoe. Other Sony cameras with the standard MI Shoe can still make use of the microphone as there is a selectable digital/analog output.
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Sony XLR-K3M Overview

  • 1Description
  • 2Digital Sound with Low Noise
  • 3Effective Controls for Clear Sound
  • 4Mechanical Noise Suppression
  • 5Cable-Free Connection
  • 6Flexible Setup
  • 7ECM-XM1 Shotgun Microphone

The Sony XLR-K3M is a dual-channel digital XLR audio adapter that allows you to connect microphones and other audio sources to cameras equipped with a Multi Interface Shoe. Released alongside the a7R IV, which benefits from its built-in digital audio interface, the adapter is able to produce its best quality by delivering a digital audio stream directly to the camera through the Multi Interface Shoe. Other Sony cameras with the standard MI Shoe can still make use of the microphone as there is a selectable digital/analog output.

The XLR-K3M features two XLR-1/4" combo mic/line inputs with 48V phantom power, and a 3.5mm stereo input with plug-in power, all with individual level controls. Intuitive controls make the adapter easy to use right out of the box. An ECM-XM1 shotgun is included so you can immediately start recording your YouTube videos, Facebook Live streams, and interviews, at home, in the studio, or on the go.

Digital Sound with Low Noise
When connected via the Multi Interface Shoe of a compatible camera that features a built-in digital audio interface, the audio signal is directly transferred to the camera in digital form so that no degradation can occur. A simple switch also provides compatibility with a wide range of cameras using an analog interface.
Effective Controls for Clear Sound
Controls Include: Record level (Auto/Manual), record level link (Input 1-Input 2), attenuator, and low-cut filter (100/300 Hz).
Mechanical Noise Suppression
An advanced shock and vibration suppressing design effectively minimizes low-frequency and handling noise, which can degrade audio quality. The absence of connecting cables, when used with a compatible MI Shoe, also means that no noise can be transmitted to the microphone mechanically via cables and connectors.
Cable-Free Connection
Simply clip the microphone into the Multi Interface Shoe on a compatible camera for direct power and audio connections without the need for extra cables or batteries. Sony's Multi Interface Shoe offers intelligent connectivity and control for a variety of accessories, providing maximum flexibility and mobility.
Flexible Setup
An MI Shoe extension cable is supplied, giving you the flexibility to position the XLR-K3M to accommodate professional rigs and camera cages.
ECM-XM1 Shotgun Microphone
An ECM-XM1 supercardioid monaural microphone and a fur windscreen for wind-noise reduction are supplied.
UPC: 027242916494

Sony XLR-K3M Specs

CompatibilityDigital Audio: Sony Cameras Equipped with Digital Multi Interface Shoe

Analog Audio: Sony Cameras Equipped with Either Multi Interface Shoe or Digital Multi Interface Shoe

Input Connections2 x XLR / TRS Combos, with 48 V Phantom Power, Switchable Mic/Line
1 x 1/8" / 3.5mm Stereo, with Plug-In Power
Output ConnectionMulti Interface Shoe
ControlsInput Levels
Inputs Link
Auto/Manual Gain
FiltersLow-Cut Filter: 300, 100 Hz
Weight6.6 oz / 187 g
Packaging Info
Package Weight1.695 lb
Box Dimensions (LxWxH)9.9 x 8.7 x 4"

Sony XLR-K3M Reviews

Good product with a few flaws

By Spencer
Rated 4 out of 5
Date: 2023-01-04

Overall, this is a good product and nearly essential if XLR inputs are needed so all gripes about the KLM are kind of moot but here are mine: The dead cat doesn't provide much protection against wind. The gain knobs are a little hard to adjust - you're probably not going to be riding the gain while filming. I am also getting a very loud interference noise from my Sennheiser AVX wireless receiver. This also happened with the K2M which uses the same microphone. It could be due to lack of mic shielding. There are work arounds - like using a different shotgun. Even with these shortcomings, I much prefer the K3M to other solutions that require batteries and cables. Getting the 24bit audio a theoretical bonus for me.

why no headphones output

By Wizner
Rated 4 out of 5
Date: 2022-10-17

I can hardly understand why Sony did not put a headphones output on this. If I plug my headphones jack in the camera output (Sony A7IV) then I cannot use (turn) properly the LCD screen. K3M would be an appropriate solution for this problem if it had a headphone output. Pitty that Sony didn't care of this. :(

XLR input for A7S3

By Justin
Rated 5 out of 5
Date: 2022-08-25

Probably already made back what this cost me in time savings from Embedded audio. Works great!

Interview style shooting

By Jesse
Rated 5 out of 5
Date: 2022-06-28

I use a Rode NTG3B mic as opposed to the one the unit came with but it's great for getting xlr inputs into my Sony a7 iv

Huge Audio Upgrade But All Plastic

By Sky
Rated 4 out of 5
Date: 2022-06-17

I'm really happy with the XLR-K3M. It adds professional audio to my Sony A7SIII and it looks great atop the camera. Just the wow-factor of how the camera looks with the K3M on top is sure to impress clients. And, the mic sounds quite good! Setup was a bit confusing. The instructions are lacking. I figured out that by default, without using the Link feature, Channel 1 will send a safety channel to Channel 2 in the camera. The build feels a bit flimsy, too. I'm worried the cable clamps on the underside, as well as the mic clamp will break. The hot shoe is also just plastic, which I worry will break easily. No 'run and gun' filming with this on the camera... studio only. Lastly, It doesn't seem that the mic clamp can be removed, so there's always that extra heigh and bulk.

Outstanding piece of gear. Takes the a7siii into Fx6 territory.

By Michael
Rated 5 out of 5
Date: 2021-12-10

I've used it with the shotgun mic that comes with it (and it's not bad). I've used it with the Rode wireless go. I've used it with the Sennheiser G3 wireless setup and with the MC46 using phantom. Interviews, weddings etc. Solid every time. If you opt for the 24 bit sound make sure you or your clients have pro level editing software or it may not fly too well. Love the cable that allows you to move the unit to a different part of your rig and out of the way of a top handle. The one drawback is it's a little clumsy feeling/looking. It does take a lot of space. Would be great if i could remove the mic mount to trim it up a little.

Good but overpriced, IMO

By William
Rated 4 out of 5
Date: 2022-12-16

Sound is good (not great) and reasonably clean with my in-camera gain at plus 2 on my A74, and a -50 noise floor (room tone) using my Sennheiser 416 shotgun. My 4 star rating is because of the price, which I think is too high. I didn't test the microphone included, but again, for my purposes, it's not needed. My preference would be to offer the unit at a better (lower) price without the microphone. Also, the mic holder should be removable and there should be the ability to monitor the sound on the K3m unit. Finally, the looks of the unit is a bit conspicuous for run and gun video.

Sony digital audio for newer e-mount cameras

By Gordon
Rated 4 out of 5
Date: 2022-10-19

Compact mic and mixer system to get high quality audio onto your video clips. I'm using it with an A7S3. I need stereo so I'm not using the mic that came with it. I'm using a Sony ECM-MS2, the same mic I'm using with my FX6.

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What are the digital encoding specs of this ...

What are the digital encoding specs of this adapter (for use with A7R IV etc)? Anything beyond 16 bit 48KHz PCM? Such as, 24 bit or 32 bit floating point, 96 or 192 KHz?
Asked by: Alexander
https://helpguide.sony.net/ilc/1920/v1/en/contents/TP0002394930.html Sampling frequency/the number of quantization bits 48 kHz/16 bit, 48 kHz/24 bit* *Provided that your camera supports 24-bit audio recording.
Answered by: Jacob Nephi
Date published: 2021-12-03

When first released the files from this device ...

When first released the files from this device and the A7siii (mp4 24 bit) were not compatible with the major NLEs. Is the 24 bit mp4 files now compatible with Davinci and Final Cut?
Asked by: Ben
Da Vinci is compatible but Final Cut Pro is not.
Answered by: David
Date published: 2022-04-26

I read through all the Qs and still feel I'm ...

I read through all the Qs and still feel I'm getting conflicting answers, so I'll ask my specific question here. Can I input TWO mics into the XLR channels, and then a stereo mic into the 3.5mm input, and record all of them at the same time (with the 24bit 4 channel option in the a7s iii)??? Thank you!!
Asked by: Alexander
Yes, you can connect microphones to all three inputs on the XLR-K3M and record them simultaneously onto four channels of audio with the a7S III. Here are instructions based on information provided by Sony which apply to the a7S III and any of the Sony cameras that support 4-channel audio recording: To record the input audio from the INPUT1 jack(XLR) to the CH1 channel on the attached camera; the input audio from the INPUT2 jack (XLR) to the CH2 channel; and the input audio from the INPUT3 jack (3.5mm) to the CH3 and CH4 channels, set the switch to “IN1·IN2.” To record the input audio from the INPUT3 (3.5mm) jack to the CH1 and CH2 channels on the attached camera; the input audio from the INPUT1 jack (XLR) to the CH3 channel; and the input audio from the INPUT2 jack (XLR) to the CH4 channel, set the switch to “IN3.”
Answered by: Lisa
Date published: 2021-04-22

Just to set this straight: can you record four ...

Just to set this straight: can you record four channels (XLR 1, XLR 2 & 3.5 mm stereo) with the A7S III?
Asked by: Ignacio
No, the XLR-K3M is a two-channel adapter kit designed for Sony cameras that use their Multi Interface Shoe. The kit includes the XLR-A3M two-channel mixer/adapter and ECM-XM1 shotgun microphone. Only two microphones can be connected to the XLR-A3M - one on each of the XLR-1/4" combo jack inputs or one single stereo mic connected to the stereo 3.5mm mini jack input. Here is a link to the user manual for additional information: https://www.bhphotovideo.com/lit_files/615688.pdf
Answered by: Lisa
Date published: 2020-10-18

Does Sony offer anything similar to this, but ...

Does Sony offer anything similar to this, but simply a multi-interface shoe connection to xlr adapter? I would like to see a simple multi-interface shoe adapter to 1, 2, or 3 XLR inputs, and instead of being a box, it's a dongle cable. Does Sony have any plans for something like this?
Asked by: Nathan
Unfortunately, there are no dongle-style adapters to connect to the Sony cameras with Multi Interface Shoes.
Answered by: Steve
Date published: 2020-08-14

The Sony a6000 does not have any audio jacks on ...

The Sony a6000 does not have any audio jacks on board. Would this allow external audio to be recorded to that body?
Asked by: Ian
https://support.d-imaging.sony.co.jp/www/cscs/accessories/compatibility.php?area=gb&lang=en&mdl=XLR-K3M&cat=3 According to this page, the XLR-K3M is compatible, in analog mode, with several cameras in the A6000 line, but the A6000 itself is not listed as compatible. It may lack even the analog signaling interface in its multi-interface smart shoe, or perhaps it does work but Sony didn’t test cameras that old when it came out with the K3M.
Answered by: Ronald
Date published: 2020-12-24

Is this compatible with the Sony A1 camera?

Is this compatible with the Sony A1 camera?
Asked by: Mark
Yes, the Sony XLR-K3M Dual-Channel Digital XLR Audio Adapter Kit with Shotgun Microphone is compatible for use with the Multi Interface Shoe connection on the Sony a1 Mirrorless Camera.
Answered by: Matt Z
Date published: 2022-08-05

Is this compatible with the Sony A7C for digital ...

Is this compatible with the Sony A7C for digital audio?
Asked by: Davis
Yes Tha A7C works in digital mode, however you can select Channels 1&2 OR 3&4 exclusively. I have switched back and forth between the 2 selections during recording and the is only a brief audio interruption. The output file is 2 Audio Channels with the video only.
Answered by: Larry
Date published: 2022-05-19
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