Hifonics Brutus BRZ1200.1D D-Class Mono Block 1 x 450 @ 4 OHMS, 1 x 900 @ 2 OHMS, 1 x 1200 @ 1 OHM by Hifonics (5)Buy new: $649.95 $171.99 13 used & new from $171.99(Visit the Most Gifted in Amplifiers list for authoritative information on this product's current rank.)Review & DescriptionHifonics Brutus BRZ D-Class Mono Block 1 x 450 @ 4 OHMS, 1 x 900 @ 2 OHMS, 1 x 1200 @ 1 OHM Read moreFind