Arv5150(made with CE certificate) - rms power @ 4ohm:50wx4ch+50w(center)+150w(sub) - bridge mode power@4ohm:150wx2ch+50w(center)+150w(sub) - thd@4ohm: - s/n(a-weighted): >95db - input sensitivity:0.15 - 6v - frequence response:20hz - 40khz - dimension:252(w)x450(l)x50(d) Arx5.1& arg5.1: - rms power @ 4ohm:70wx4ch+70w(center)+230w(sub) - bridge mode power@4ohm:200wx2ch+70w(center)+230w(sub) - thd@4ohm: - s/n(a-weighted): >95db - input sensitivity:0.25 - 6v - frequence response:20hz - 40khz - dimension:252(w)x450(l)x50(d) Quotation and samples will be sent upon receipt of your specific inquires. P. S.: We will be present at carton fair during october 15 - 20 and our booth number is 23.2b08 at bazhou, welcome your visiting!!