It definitely bumps and produces strong bass. Even too much for some indoor use. I have not cranked it up to the max outdoors and doubt I will (I do not provide venues, personal use only).
I have really no issues with the sub other than that the volume/sensitivity knob is absolute POS. 0 dB is at 12 o'clock. Left to that is negative infinity and right to that is +6 dB. Basically first quarter of a turn is useless. It just doesn't function at all in that range. Sub keeps cutting off randomly. Turn it up a bit from there and it is way too loud.
I know the knobs, sliders on audio gear is not linear, but this volume knob is just TRASH. Alto 4 series tops have MUCH smoother knob, but that goes from -INF to 0 dB in a full rotation - more resolution. Which is also why it is smoother, but god damn it, Alto! Is there really no option to make the sub have a nicer volume control? -INF to 0 dB being same travel as 0 db to +6 dB just doesn't feel good.
When setting up gain at the mixer so that the master is at 0 dB or barely going above that in peaks, setting the sub to 0 dB results the sub immediately hitting limiter. I don't know if my unit is faulty or what, because I have seen people do similar setup without this issue. I also don't have this issue nor the crappy knob issue on Alto 4 series tops.
Only way I've seen to set the system up is to set speakers at 0 dB and then keep output on the mixer lower (analogue mixer). This however feels counter intuitive and can result in damaging the speakers, as you cannot monitor if the speaker is hitting the limiter.
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