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need much more info to help. $300 amplifier made in china with stamped surface mount components. Have fuse and transformer thermal cutout tested, if these work then throw the amp out as it is darn near impossible to repair these things.
The 600 watt rating is FAKE like most of our advertising and will be either 600 watts PEAK or 600 watts PROGRAM. If it is Peak, use an amplifier with no more than 100 watts a side RMS... If it is program rating use an amp with no more than 150 watts a side RMS but that is pushing it for speaker safety. Also pay attention to the spec of the amp as to what it will output at the impedance of the speakers. I read the spec on the speakers... they are rated 150 watts RMS, NOT 600 watts... Use an amp rated at 150 watts RMS MAXIMUM at 4 ohms per side. Also don't turn up the bass excessively or you be buying new speakers. Twelve inch speakers would be adequate for a 20 by 20 room at SAFE listening levels. If you want driving bass, you need to get an 18 inch subwoofer.
this bandpass enclosure is rated peak power at 1200 watts . what this means is that each subwoofer in the is peaked at 600watts to make 1200 watts . what your looking for is to power up the subs with rms continuous wattage . you need an amp that will put out 400 to 500 rms a channel to run this sub enclosure at 800 to 1000 watts rms to keep the speaker from blowing
this amp will give you
1 channel @ 4 ohm x1 350 watts
1 channel @ 2 ohm x1 900 wats
1 channel @ 1 ohm x1 1800 watts
you would have extra power for better subs with more power later but you get 900 watts which when connected right would mean 450 watts per sub be perfect for you .
i sell this for $320.99 in my store can shipp any where in usa
to contact me firstname.lastname@example.org
Unless you want the same speakers for cosmetic reasons, you can get a pair of speakers from any Hi-Fi outlet. All you need to know is the max power output of the amp in watts for each channel, and the ohms it puts out. For instance if it says 8ohm 15 watts. You can get a speaker of 8ohms or higher, but not lower. And any speaker above 15 watts.
Actually you can get better quality sound from the speakers as the speakers they often put with these systems are rubbish in terms of hi-fi quality!
Just had a look around the net and the output power in watts is just 8. Couldn't find the ohm rating but most are 8ohm. So any speaker higher than 8 watts will do the job.
First of all the EXA-3940 is rated at 350watts per channel in to 8 ohms. The 1400 watts is bridged into a 4 ohm load. Second, the speakers can handle 1000Wats peak with an average of 600 continuous (i'm guessing). That tells me that the amp is underpowered for the speakers. The sensitivity of the amp is such that the mixer is overdriving the input stage. That is what is causing the clipping. If you are looking for more volume, you are probably better off purchasing another amp and running them in bridge mode, 1 per speaker cab. Be careful though, not to overdrive the speaker cabinets either.