alaTest has collected and analyzed 1 user review of Pyle Hydra PLMRA400 Marine Amplifier - - @ 2 Ohm400 W PMPO - 4 Channel - 100 Ohm - 15 Hz to 30 kHz - Water Proof from Amazon.com. The average user rating for this product is 1.0/5, compared to an average user rating of 4.0/5 for other GPS on Amazon.com.

First of all, On most amps, the wattage displayed is a "peak" wattage. So, just know your amps. This one will give you around 36 watts RMS per channel. Still, not a bad amp for the $$$$$. Mines going on my atv.

At best you will get 26 watts per channel, not 100! Pyle is right, pyle-o-crap.