2ch amp or 4ch amp bridged?

[darrenwang 10+ year member]

I am choosing an amplifier for only front components (CDT-HD62),

For better Sound Quality and Power Handling,

should I choose a strong 2ch amp, or just bridge a 4ch amp?

Is there any disadventage in bridged mode?

For example, the following 2ch and 4ch PG amps have nearly same price, but the outputs power has huge difference.

4CH : Phoenix Gold TI 500.4 $450

75W x 4

250W x 2 BRIDGED

^^^^

2CH : Phoenix Gold TI 600.2 $430

150W x 2

^^^^

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[helotaxi 5,000+ posts]

Bridging an amp causes it to run at a lower perceived impedance and thus flow more current and run hotter. It also adds distortion (though still usually inaudible) and is more sensitive to speaker impedance. If you only need 2 channels, get a two channel amp.

 

[desi_daru 10+ year member]

if it was me i would grab the 4ch its 100 more watts for 20bux more

 

[theoriginal15]

The real deal, and helotaxi said it, is that if you only need two, why would you get a 4-channel amp? Makes perfect sense. Besides, you get more power bridging a 2-channel amp anyway