Profile Amps Baja vs Cali

what's the diff b/w the California AP1040 and Baja HA1040? the Baja is $20 cheaper at the same retailer, so i'm guessing the Cali is better in some way? cuz the specs are the same xcept size, THD and S/N Ratio, which is almost the same:

Profile California AP1040
o Peak Output Power (4 Ohms): 150W x 4
o RMS Output Power (4 Ohms): 75W x 4
o Peak Output Power (2 Ohms): 250W x 4
o RMS Output Power (2 Ohms): 125W x 4
o Bridged RMS Output Power (4 Ohms): 225W x 2
o MOSFET Power Supply : Yes
o Total Harmonic Distortion: <0.05%
o Signal / Noise Ratio: 103 dB
o High/Low Level Converter (Male RCA): Yes (Dual)
o Pre-Amp (RCA) Outputs: Yes
o Variable Bass Boost at 45Hz 0-12 dB
o 12dB/Octave Crossover (High Pass/Full/Low Pass) HP/Full/LP
o Variable LP Crossover Frequency: 50 - 250 Hz
o Variable HP Crossover Frequency: 80 Hz -1.2 kHz
o Fuses: 2 x 30A
o Dimensions:
o (2" H x 10 1/4" D) 13 1/16" W
o Power/Speaker Terminal Size (Gauge): 4 / 6


Profile Baja HA1040
o Peak Output Power (4 Ohms) 160W x 4
o RMS Output Power (4 Ohms) 80W x 4
o Peak Output Power (2 Ohms) 250W x 4
o RMS Output Power (2 Ohms) 125W x 4
o Bridged RMS Output Power (4 Ohms) 225W x 2
o MOSFET Power Supply Yes
o Total Harmonic Distortion <0.07%
o Signal / Noise Ratio 100 dB
o Pre-Amp (RCA) Outputs Yes
o Variable Bass Boost at 45Hz 0/6/12 dB (Ch 3 & 4)
o Treble Boost at 8kHz 0/6/12 dB (Ch 1 & 2)
o 12dB/Octave Crossover(High Pass/Full/Low Pass) HP/Full (Ch 1 & 2) Full/LP (Ch 3 & 4)
o Variable LP Crossover Frequency 50 - 250 Hz
o Variable HP Crossover Frequency 80 Hz - 1.2 kHz
o Fuse 2x30A
o Dimensions (2 1/4" H x 9 11/16" D) 14 3/16" W


thnx ahead