I swear everything about this makes perfect sense and serves a purpose.pic.twitter.com/GWAhaoeSig
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Basically I'd consider them a small room tool, though that might be improvable by hacking the antennas. Underlying tech is this: http://www.ti.com/lit/ml/swab002/swab002.pdf … and here's the innards (+DAC on rear side, also testpoints for output pins).pic.twitter.com/lkvQhcMUxo
One SS pair (I didn't pay attention to which) has the two channels (in connection order, the two mics are dynamically allocated to a channel). The other pair has RST in (active low) & status (active high = at least one mic is connected).
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Probably wouldn’t even need the status pin for my application, so long as an inactive (d/c or off) channel is quiet; somewhat surprised “status” doesn’t indicate which channel(s) are connected. Thanks for the info, may end up picking those up if the need arises.
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Yeah, inactive channels are quiet. FYI, here's a test (first at 10cm, then at 90°, then right up to it): https://mrcn.st/t/ulm200test.ogg … … This is at max mic volume. Lowering the volume just digitally pads down, it still saturates at the same input level.
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