TRF SMD 5000.1D TRF SMD 5000.1D RMS 1X2100 4ohm RMS 1X3800 2ohm RMS 1X6800 1ohm TEST VOLTAGE & THD:14.4V -10%THD RMS 1X1580 4ohm RMS 1X2850 2ohm RMS 1X5300 1ohm TEST VOLTAGE & THD:12.6V -10%THD MAX 1X4200 4ohm MAX 1X7600 2ohm MAX 1X13600 1ohm TOTAL 13600WMAX TEST VOLTAGE & THD:14.4V -1%THD