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Your cart is empty.We took the sound of our Krypton car amps and we added top of the line marine grade parts so that they will last forever and withstand even the harshest conditions on the water. We went a little overboard (no pun intended) to make this amp marine ready. We conformal coated the PCB board with a waterproof glue that is painted on to protect the circuitry. The heat sink, including the bottom plate, is made of aluminum which is rustproof. The end panels, internal mounting screws and hardware of the amp are made of stainless steel and are rustproof. Even after many years of use the amp will be rust free and operate like new! This amp has a very cool fully adjustable 12dB/Octave crossover. What is cool about it is that our crossover supports low pass, high pass, bandpass, and subsonic. This makes our amp ideal for subwoofers (sealed and vented), full range speakers, and midrange speakers. In high pass mode we allow you to filter out frequencies between 15Hz - 4K Hz. In full mode you will not be filtering any frequencies. The really cool part is in low pass mode you can use the high pass and low pass mode. So for example you can set the low pass mode to 50 hz, and then you can set the high pass to 15 Hz. In this case you would be playing frequencies in the range of 15-50 Hz on this channel. This would be an example of using the subsonic filter. Another option you have is for midrange speakers, you can use our low pass filter and set it really high. Lets say to 3Khz and then you can set the high pass to 150Hz and your midrange speakers will only play that frequency range. Our advanced crossover technology will allow you to really fine tune each speaker to get the sound you desire. The KRYPTON MF3 is protected by a fully IC controlled circuit which includes mute, delay and soft start technology so that the amplifier will turn on safely every time and protect your speakers from popping. You will also notice we decided to add a cool battery voltage display meter which looks great but also serves as a tool for you to know if your battery voltage is dropping which would affect your systems performance. We designed the amps to be able to last for many years even if you are playing them at max volume before clipping for extended periods of time. This is a class A/B amplifier which is what we recommend to get the best sound quality out of full range speakers. One other cool features about this amp is the marine public address system. Simply plug the microphone into the 3.5mm jack and you are ready to go. The amplifier features talk-over functionality. When the microphone is being used the music will fade to the background until you stop talking into the mic
David Snipelisky
2025-08-03 18:59:20
Bought this amp. Worked phenomenally for 2-3 months then started to have a noise coming through the speakers that worsened over a few weeks to the point in which you could not hear the music. Contacted Rockville and was told it was likely a wiring issue. Re-wired everything with no change. Then was told amp is under warranty but I’d have to pay for packaging/shipping back. Ended up buying a second amp (same amp) and it worked perfectly. 2-3 months later had the exact same issue. Purchased a different brand and no issues since. Although Rockville is inexpensive and initially sounds great, would spend more on a brand name.
David Snipelisky
2025-01-15 10:24:54
Bought this amp. Worked phenomenally for 2-3 months then started to have a noise coming through the speakers that worsened over a few weeks to the point in which you could not hear the music. Contacted Rockville and was told it was likely a wiring issue. Re-wired everything with no change. Then was told amp is under warranty but I’d have to pay for packaging/shipping back. Ended up buying a second amp (same amp) and it worked perfectly. 2-3 months later had the exact same issue. Purchased a different brand and no issues since. Although Rockville is inexpensive and initially sounds great, would spend more on a brand name.
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