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<blockquote data-quote="Deiimos" data-source="post: 8745777" data-attributes="member: 682903">So is the amp in protect with the sub connected?I would also suggest measuring for DC voltage at the amps subwoofer channel, subwoofer unhooked, set volt meter to DC volts and measure at the speaker terminals +/-. If one of the outputs failed in the amp or other similar issue leaking DC, it may cause the amp to shut down when connected to a sub. I’ve seen amps and repaired them that died and sent DC to the subs and or speakers.Did you try one voice coil at a time? That amp should play at low volume even at 1-ohm, and 4-ohm should play fine.As for other subs, in the event you need one, you’ll have to find one suitable for that enclosure if you’re trying to keep that Pioneer box, I don’t know what the air space is and not going to recommend anything. But I’d also make certain that the Pioneer sub is the issue, and that the amp is functioning properly. That Pioneer sub seems fine for that Kenwood amp, but could have blown from clipping, maybe cranked too high, or too much bass boost, that will surely kill subs. Without going over all the settings in person, hard to say.</blockquote>

[QUOTE="Deiimos, post: 8745777, member: 682903"] So is the amp in protect with the sub connected? I would also suggest measuring for DC voltage at the amps subwoofer channel, subwoofer unhooked, set volt meter to DC volts and measure at the speaker terminals +/-. If one of the outputs failed in the amp or other similar issue leaking DC, it may cause the amp to shut down when connected to a sub. I’ve seen amps and repaired them that died and sent DC to the subs and or speakers. Did you try one voice coil at a time? That amp should play at low volume even at 1-ohm, and 4-ohm should play fine. As for other subs, in the event you need one, you’ll have to find one suitable for that enclosure if you’re trying to keep that Pioneer box, I don’t know what the air space is and not going to recommend anything. But I’d also make certain that the Pioneer sub is the issue, and that the amp is functioning properly. That Pioneer sub seems fine for that Kenwood amp, but could have blown from clipping, maybe cranked too high, or too much bass boost, that will surely kill subs. Without going over all the settings in person, hard to say. [/QUOTE]

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