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Car Stereos/subwoofer and amplifier

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Question
Hi Brian.  Will a Powerbass ASA 1500.1DX mono subwoofer amp set at 325 rms x 1 channel 4ohms, power 2 Pioneer Premier TS-SW 1241D 12 inch shallow mount subwoofers. The subwoofers are rated at 350 rms at 4ohms. How much power would each subwoofer receive. Or do I need a different amplifier. Thanks George

Answer
Hi George,

Keep in mind that when you combine two 4-ohm, single voice coil subwoofers like the TS-SW1241D, you'll end up with a 2-ohm load.  The relevant amplifier power rating isn't the 325-watt, 4-ohm rating.  When used with a 2-ohm load, your amplifier is rated for 750 watts RMS.  

The power produced by the amp will be evenly divided between the two subs; at the maximum RMS output, each sub gets 375 watts.  This makes your amplifier a fairly good match for the 350-watt Pioneer subs.  I think you could certainly blow the subs with this amp, if you're not careful; so be sure to set the gains with care, and don't abuse the system.  For normal music listening, it should be fine.

Hope this helps!

Brian

Car Stereos

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Brian

Expertise

I can answer questions about car audio installation, including head units, amplifiers, speakers, subwoofers, mobile video systems, GPS navigation, hands-free kits, alarm/remote start, troubleshooting, OEM integration, installation tools and methods, and more.

Experience

I have been a professional car audio installer for several years.

Education/Credentials
I currently hold a Master Installer certificate from the Mobile Electronics Certified Professional (MECP) program. This is the highest level of certification. I have been MECP-certified at various levels since 2001.

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