Need advice from PRO pls.
I got 1 pegasus 4 chn wif spec : 4 ohm Stereo: 50W X 4, 2 ohm Stereo: 75W X 4, 4 ohm Mono: 150W X 2.
And I got 1 pegasus component set wif spec : 70 Watts RMS, 140 Watts Peak.
If I bridge the amp to 2chn which 150W X 2 to play the component set, will it overpush the component set or any better setup can be made.

Bridging will loss sound quality but if I use a amp wif 50rms x 2 to play my 70rms component set is a waste of my speaker?
Usually they say use the amp which more rms than the speaker, is this correct?

Sifu, if i using this 4chn amp to play 1 set component set and 1 subwoofer. should i use dual 2ohm or dual 4ohm subwoofer which with 350rms? the details of the amp as below:
SOUNDSTREAM PCX4.540 PICASSO SERIES 4 Channel Amplifier


•No. of channel: 4Channel
•RMS @ 4 ohm: 80W x 4
•RMS @ 2 ohm: 135W x 4
•RMS @ 4 ohm mono: 270W x 2
•THD: 0.10%
•FREQ. response (Hz): 10 – 35k
•S/N ratio: >95
•Damping factor: >200
•Input Sensitivity: 200mV-8V
•Crossover slopes: 12dB
•Low pass filter (Hz): 50 – 150
•High pass filter (Hz): 50 – 500
•Bass boost (60Hz fixed): 0 – 18dB
•Phase (degree): 0 – 180
•Fuse: 20A x 1
•Dimensions: 19.4” x 2.5” x 10”

Sifu-Sifu,
In case, my HU have only 2 pre-out. I got 1 electronic crossover, 4 channel amp, monoblock amp, 1 component set, 1 subwoofer. How should I connect them? I thinking to use the 4 channel amp which 2 channel for mid-bass and 2 channel for tweeter ( not using the crossover included at component set ).

For 2 channel amp with the same brand and same spec, which class should I choose to play my component sets at front? AB or D? What the differences between them?

But as I understand the class D amp is more efficient than class AB, so the output will better or not? I ady read the spec of the amp, both can play the same frequencies more than 200hz (250hz).

Now I using alpine HU with 2 pre-out, 1 for 2 channel amp to play the front component set and another 1 for monoblock to play subwoofer. all sound settings is nice for me now just the subwoofer is abit low although the HU subwoofer setting is max, should i adjust the gain level on the monoblock to get louder? adjusting the gain level will spoil the sq?