Output Power (RMS) @ 14.4 VDC, THD 1%:2 Ch:55 W x 2 (4Ω)2 Ch:85 W x 2 (2Ω)1 Ch:170 W x 1 (4Ω)Output Power (RMS) @ 14.4 VDC, THD 10%:2 Ch:65 W x 2 (4Ω)2 Ch:100 W x 2 (2Ω)1 Ch:200 W x 1 (4Ω)CEA 2006-A Ratings:RMS Power (4Ω, ≤ 1 % THD + N, 14.4 V):50 W x 2 ChS/N Ratio (ref. 1 W output)82 dBATotal Power RMS400 W