car amplifier(PIN Series) PWM Mos-Fet Power Supply wide range input level 4ohm stable/mono bridged operation

car amplifier                                                                                    4CH
SPECIFICATION	PIN4050	PIN4075	PIN4120	PIN4150
RMS Power at 4 ohm-13.8v	50W	75W	120W	150W
RMS Power at 2 ohm-13.8v	75W	115W	180W	225W
RMS Power Bridged at 4 ohm-13.8v	140W	220W	350W	440W
RMS Power Bridged at 2 ohm-13.8v	/	/	/	/
Total Harmonic Distortion	0.03%	0.03%	0.03%	0.03%
Signal to Noise Ratio	>90dB	>90dB	>90dB	>90dB
Freq.Response	10Hz-30KHz	10Hz-30KHz	10Hz-30KHz	10Hz-30KHz
High-pass filter,variable	50hz-250hz	50hz-250hz	50hz-250hz	50hz-250hz
Low-pass filter,variable	50hz-250hz	50hz-250hz	50hz-250hz	50hz-250hz
Bass-boost variable	18dB at 40Hz	18dB at 40Hz	18dB at 40Hz	18dB at 40Hz
DimensionW*H*L(mm)	250x52x270	250x52x350	250x53x440	250x52x470

High Performance Car Amplifier(PIN Series)