X2
Arc900.1d is $389.95, and its underpowered atleast %10
450W x 1 @ 4 ohms
750W x 1 @ 2 ohms
900W x 1 @ 1 ohm
Zapco 500.1 is$369.00, i think its underpowered to, dont know by how much.
500W x 1 at 2 ohm RMS
800W x 1 at 2 ohm Peak
Based on price and power, i go with Arc900.1D . its only $20 more
but you cant go wrong with either. do a coin toss lol, heads ARC, tail ZAPCO lol
i got the price from, here
http://acaraudio.com/product_info.php?manufacturers_id=58&products_id=1672
PS: i dont think the Zpco 500.1 is 1 ohm stable, at least thats what the tech guy at Zapco told me.