Question about Sony XM-2150GSX Car Audio Amplifier
That burping noise may in fact be down to the sound leads from the head unit to the amp being slightly (about 0.5 mm) loose on the connection. Try cleaning the connections and push them on good. They sometimes come loose over time or when your fiddling with the wires sliding the head unit in! If that doesn't solve it check the earth lead as if it's not in direct contact with metal or loosely fitted, it will cause feedback to some form. My subs moved when I closed the doors for example!
Posted on Dec 06, 2009
This amplifier can only be bridged for a single subwoofer with an output rating of 380 watts bridged. The amp is not rated for 1000 watts.
The burping noise you here is the electronic switch discharging power off on the large capacitor that are used in high performance amplifiers. Regards, rcampsr
Posted on Feb 21, 2009
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Posted on Jan 02, 2017
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This will allow 2 channels to run 100 watts each @ 4ohms with an additional single channel with 250 watts @ 4 ohms.
The single sub channel is created by bridging channels 3 & 4
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