Sure Electronics 2 x 250 watt Class D Amplifier

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Sure is much nicer than a norwegian would expect...

Sure sounds trustworthy in english but means sour or bad in norwegian he he.

Sure is soon ending a 40%-off campain and I think I'll buy the 250Wx2 amp. Its only 41$ now. The 125wx2-same chip similar-looking model is 37$. I already bought a Tripath-TK2050 based board 2x100w/4Ohm 29$ now, sounds better than all my other amps! Very detailed. I have also another non-Sure TK2050 board but it sems unstable (went up in smoke) LT-50 TK2050 Digital Amplifier 50W+50W BTL 100W Amplifier Board LCM-1 $17.19 Free Shipping @GoodLuckBuy.com

The 125wx2-same chip similar-looking model as the one in this thread is probably a non-bridged version. Or what is the difference (both needs ca 60V 7,5 A x2, cant be right?).

Anybody knows how to reduce power on the 250Wx2-model ie use lower voltage, maybe 40vx2?
 
BTW Sure prints a low $-value on package. Sale is good: 40% off on many models- I think Tripath-chip-models sounds really good.

Can I just replace some Zener diodes to have this 250wx2 amp work (well but with less wattage) on maybe 38vx2? I guess I only need the 125w version but the 250w is only a few $ more and if it could be downgraded only with less power supply...
 
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