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Subs, Speakers and Electronics with an RMS Power Rating of 45-Watts

The RMS rating of any speaker or subwoofer driver is the continuous power rating that the driver is designed to handle at a maximum volume rating. The RMS rating is one of two numbers to go by when pairing your speakers with an amplifier. As an example, a speaker with a 45-Watt, or 45W for short, RMS rating should be paired with a forty-five-watt RMS amp. We usually recommend a power-plant to be over powered by 10 – 20% RMS so that the amplifier does not have to work at 100% capacity to get 100% efficiency from your speakers.

1 product

Save $30.00Sold Out

Alpine S2-S40 : 4" 45W RMS Coaxial Speakers

Sale price$109.99 USDRegular price $139.99 USD