Zoom H4N Pro - Line out to speakers

Discuss the Zoom H6, H5, H4, H4n, H2, H2n, and H1. Please don't "post and run". Participate in the discussion. Thanks.
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Bharat123
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Zoom H4N Pro - Line out to speakers

Post by Bharat123 » Sun Oct 14, 2018 8:14 pm

I tried to use my Zoom H4N as a mini sound system during a rehearsal using 4CH mode. I did not use the built in stereo mics. However, I had a clip on condenser mic connected from the sitar (string instrument) to the stereo input (mini TRS pin) on the zoom. Input 1 was connected to SM58 (vocal) and Input 2 was connected to SM57 (tabla - percussion instrument). The headphone output of Zoom was connected to a powered speaker. The inputs on the speaker were RCA so I used a TRS to RCA cable to connect the Zoom to the speakers. The sound from the stereo mic and Input 1 came perfectly but the there was no sound of input 2 on the speaker. From the level indicator, I could make out that input 2 was reaching zoom h4n but there was some problem for the sound to be transferred from zoom to the speakers. When I pulled out the TRS pin on the Zoom H4N headphone output very slightly, I could get a weak sound of Input 2 on the speaker but then the sound from Input 1 stopped completely. Can anyone tell what could be the problem? Are there any compatibility issues with the TRS to RCA connection? Thanks for your replies.
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Wulfraed
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Re: Zoom H4N Pro - Line out to speakers

Post by Wulfraed » Mon Oct 15, 2018 2:39 am

Difficult to tell...

RCA phono jacks are mono. The odds are good that your adapter is really a TS<>RCA, and you were grounding the R. I'd expect a proper TRS<>RCA to have TWO RCA plugs (red and white) with one TRS connector.

While I do own at least one RCA<>Dual RCA, the usage is really meant as a splitter, not as a combiner (cross feed mismatches when combining two signals; splitting just attenuates by 3dB).
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