However, these have to be much more compact and efficient. Depending on the subwoofer installed, you can choose between a 4 or 2 Ω version, otherwise the modules are identical. With a whopping 460 W/RMS for the 4 Ω and 475 W/RMS for the 2 Ω model, even very power-hungry subs can be powered - and with an impressively high efficiency of up to 84%.
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