Solved! have an ONKYO TX NR646 7.1 i want to use another external amplifier for the FRONT L and R to power up my 2 DS18 PRO10", total

Jan 1, 2019
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have an ONKYO TX NR646 7.1 i want to use another external amplifier for the FRONT L and R to power up my 2 DS18 PRO10"/channel(300W each), total of around 700watts (plus the tweeter)/rms /channel.since ONKYO only offers about around 120Watts/channel.any suggestion....i can use the PRE OUTS for this, but does it also offers the same sound quality compare to FRONT L and R speaker terminal?
 
Solution
Theoretically, specially if you are playing high volume, the extra power should give you more headroom. Ultimately it will depend whether the ext amp is a nice Emotiva or one of those cheapy 300w for $80 boxes.