STANDARD   M-SERIES   HIGH POWER AMPLIFIER                   SB-15   MB-15   SB-120           - 15W(RMS) Bass amplifier.   - 15W(RMS) BassSmplifier.   - 120W(RMS) Bass amplifier.           SB-30   MB-30FX   SB-200FX           - 30W(RMS) Bass amplifier.   - 30W(RMS) Bass amplifier. (DSP)   - 200W(RMS) Bass Amplifier.(DSP)           SB-60       MB-410FX           - 60W(RMS) Bass Amplifier.       - 300W(RMS) Bass Amplifier.