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The Kopul CMX-2 Two-Channel Passive Camcorder XLR Adapter is a lightweight compact mixer with XLR inputs for taking professional-quality audio signals from two sources, and then mixing them together for output to a camera with a stereo 1/8" (3.5mm) microphone input. It is suitable for filmmakers who use camcorders, DSLR, and mirrorless cameras, and need extra mic- or line-level inputs and the ability to control the output levels.
The unit features two balanced XLR input jacks that accept a range of microphone- or line-level sources such as from balanced XLR microphones, wireless microphones, preamplifiers, and external audio mixers. An auxiliary input allows for connecting wireless devices with an 1/8" (3.5mm) output, such as a smartphone or an MP3 player.
The fully passive circuit design does not require batteries or external power for operation while keeping the signal clear from unwanted noise. A ground switch (GND) can be engaged to prevent unwanted noise and hum from affecting the sound. A mono/stereo selector switch allows for audio signals to be sent to two separate channels (in stereo mode) or combined into one channel (when set to mono). The input levels of each channel can be controlled using the dual stepped trim control knobs.
For attaching to a camera or camcorder, the unit features a 1/4"-20 threaded post with a wheel for convenient and secure connection. A threaded socket on the base of the unit allows for mounting the adapter on a tripod. The rugged chassis is designed to withstand the challenges of field use, and both amateurs and pros can utilize the adapter to achieve professional audio quality that can later be synced to picture.
1/4"-20 Threaded Post
Allows for easy and secure attachment of the adapter to the base of a camera or camcorder, as well as mounting the device on a tripod
Includes two balanced XLR inputs for connecting professional-quality microphones
Works with cameras and devices that include an 1/8" (3.5mm) microphone input
Mono and Stereo Mode Selector Switch
Sends audio signals to two separate channels when in mono mode or combines the signals in stereo mode
Mic or Line Level
Accepts a wide variety of microphone-level or line-level sources such as balanced XLR microphones, wireless microphones, preamplifiers, and external recorders
Auxiliary Mini-Jack Input
Provides an 1/8" (3.5mm) mini-jack input for devices such as a smartphone or MP3 player
Eliminates unwanted hum and buzz that can be caused by ground loops
Passive Circuit Design
Operates without the need for batteries or a power cord, which prevents unwanted noise from influencing the signal
Uses stepped rubber trim knobs which allow users to adjust and balance the input signals from their devices
Allows the device to withstand continued use in the field
Coiled Output Cable
Includes an 1/8" (3.5mm) coiled cable that can connect the unit's 1/8" mic-level output to any DSLR or camcorder with an 1/8" mic input