Kopul CMX-2-V2 Two-Channel Passive DSLR XLR Adapter

Kopul CMX-2-V2 Two-Channel Passive DSLR XLR Adapter

Kopul CMX-2-V2 Two-Channel Passive DSLR XLR Adapter

B&H # KOCMX2V2 MFR # CMX-2-V2
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Product Highlights

  • Record High-Quality Audio on DSLR
  • Connect Professional Mics and Mixers
  • Two Mic/Line XLR Inputs
  • Left and Right Trim Controls
  • Mono/Stereo Output Mode Switch
  • 3.5mm Stereo Aux Input
  • 3.5mm Mic-Level Stereo Output
  • Passive Design Requires No Power Source
  • Mounts on Camera and Tripod
  • Includes Coiled Output Cable
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Kopul CMX-2-V2 overview

  • 1Description

The Kopul CMX-2-V2 is a passive, two-channel adapter that enables you to connect professional microphones or audio mixers via XLR connectors to camcorders and DSLR cameras equipped with an 3.5mm stereo mic input. It captures high-quality sound, which is in perfect sync with your picture—since the audio is recorded directly to the camera—eliminating the need for any post production processing.

Featuring a passive design, the CMX-2-V2 does not require batteries or power for operation and delivers excellent sound quality without coloration. Each channel is equipped with a stepped, rubber trim knob, which allows you to precisely adjust and balance the input signals to ensure optimum recording levels. The stereo aux input is ideal for connecting devices with 3.5mm audio output, such as smartphones, tablets, MP3 players, and more. Connect the unit's mic-level output to the mic input of your camera using the included coiled output cable. Additionally, a mono/stereo selector switch sends the audio signals to two separate channels when set to stereo, or combines the two channels when set to mono.

Compact, lightweight (at 5.3 oz), and with a rugged construction, the CMX-2-V2 easily mounts on a tripod or under a camera and can withstand the rigors of travel and field use.

XLR Inputs with Switchable Mic/Line Level
  • Two balanced XLR inputs with mic/line switches are ideal for connecting a wide variety of professional mic- and line-level sources such as microphones or audio mixers
  • Capture high-quality sound, superior to onboard mics built into your camera or camcorder
  • Sound is in perfect sync with your picture since the audio is recorded directly to the camera
Trim Knobs
  • Stepped, rubber trim knobs allow you to adjust and balance the input signals and ensure optimum recording levels
Mono and Stereo Modes
  • Mono/stereo switch sends audio signals to two discrete channels when in mono mode or combines the signals in stereo mode
3.5mm Stereo Aux Input
  • Auxiliary 3.5mm jack provides a stereo input for devices like smartphones, tablets, mixer, or MP3 player
3.5mm Mic-Level Stereo Output
  • Use the included coiled cable to connect the output of the unit to the 3.5mm stereo mic input of any DSLR or camcorder
Ground Switch
  • Helps eliminate unwanted hum and buzz caused by ground loops in your signal chain
  • Two-position switch
Passive Design
  • Passive electronics means that the unit does not add noise or coloration to your audio signal
  • No power required
Rugged Construction
  • The rugged chassis can withstand the rigors of travel and field use
Camera- and Tripod-Mountable
  • 1/4"-20 threaded post to easily attach the unit to the base of a camera or camcorder
  • 1/4"-20 threaded socket at the base of the unit for mounting on a tripod
UPC: 847628002852
In the Box
Kopul CMX-2-V2 Two-Channel Passive DSLR XLR Adapter
  • Coiled Output Cable
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Kopul CMX-2-V2 specs

    Input Level Mic (XLR): -20 dB
    Line (XLR): 0 dB
    Aux (1/8" / 3.5 mm): -20 dB
    Output Level -20.5 dB, mic level
    Frequency Response 30 Hz to 20 kHz
    Connectors 2 x 3-pin XLR female inputs
    1 x 1/8" / 3.5 mm stereo aux input
    1 x 1/8" / 3.5 mm stereo output
    Controls Line/mic left-channel switch
    Line/mic right-channel switch
    Mono/stereo switch
    Ground 1/Ground 2 switch
    2 x trim control knobs
    Power Supply Passive, no battery required
    Mounting Options 1/4"-20 mounting socket
    1/4"-20 camera mount
    Certifications CE, FCC, RoHS
    Dimensions (H x W x D) 3.4 2.8 2" / 8.7 7.1 5.2 cm
    Weight 5.3 oz / 150 g
    Packaging Info
    Package Weight 0.6 lb
    Box Dimensions (LxWxH) 4.7 x 4.5 x 4.1"

    Kopul CMX-2-V2 reviews

    CMX-2-V2 Two-Channel Passive DSLR XLR Adapter is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from AUX INPUT UPDATE*** I just wrote a review but realized why the aux input would not work for me. I usually lower the in camera input volume really low to keep a clean signal but if you have it too low you will not receive audio from your mp3 via aux input no matter how loud you have it set from the audio source as the input of the camera is not allowing enough signal to pass through if the cameras volume is set too low. I do not have to do this with the other inputs as I can raise those signal levels high enough to keep the cameras input levels really low. I hope that makes sense and helps someone else out!
    Date published: 2018-08-02
    Rated 5 out of 5 by from No mixer/recorder? No problem! Okay, so I have the CMX-1-V2 two channel mini mixer and just got my hands on this one last night. I used it as soon as it came in for a low/no budget shoot for a dance instructor. I did not use my recorder and did not use my full size mixer either. I used a Sennheiser Lav system into the left channel with a Rode XLR to 3.5 jack. The speaker used for the dance was a wireless speaker with a daisy chain option via XLR. I used a XLR cable and ran it from the speaker to this mixer on the right channel. I had to adjust the balance of the speaker signal as its not a true output but a shared signal for stereo options but it still worked (to make this work I had to set it to mic instead of line). I opened it in Final Cut Pro X this morning and hit dual mono for the audio and it panned the audio correctly. You can also adjust each channel individually. This is an inexpensive tool for a quick mix or dual mix on the go especially if you do not have access to a recorder or a full size mixer. It worked out great for the circumstances. As far as the unit itself, It has a 1/4 20 mount on the top and bottom. If your set up is a little heavier I would not recommend mounting your heavier gear on top of this unit as it is mainly built of plastic. I did that at first but then just used a cold shoe to 1/4 20 adaptor and placed it on top of my camera instead. The CMX-1-V2 is built solid. This version is not as heavy duty but it has a few different features if you need them. I have never personally ran across a ground issue but if you do there is a switch to help eliminate those issues. This version also has XLR inputs and line switches for mixer inputs. You can still switch in between mono and stereo for both channels or left or right channels. You still get the option to use the aux input too. I have to figure that one out as I thought I could input an mp3 player but had no luck no matter what settings I set the mixer to. Maybe I misunderstood that function. If you are using a mixer and no recorder you can still use the stereo outputs on the mixer to go into the XLR inputs. This would be a nice in the box solution while being able to use more reliable cables and not having it affect the sound from your mixer. This also means you will have all the audio embedded in the footage ready to go with no need to sync audio later if you record the audio directly into your camera. Keep in mind that all of these units are passive and will not pass any sort of power. If you require Phantom power, plug in power ie; some lavs, rode micro then this will not do anything for you.
    Date published: 2018-08-02
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