![]() You’ll need to be sure to avoid connecting a speaker impedance (Ohms, speaker load) that’s too low to a home stereo amp or receiver. Why can’t I use a 4 or 2 ohm car subwoofer with a home stereo? (Some car subwoofers are even 2 ohms, in fact). It’s 2x lower than the 8 Ohm minimum most require. The single biggest obstacle is that most home stereos, home theater receivers, and home amplifiers can’t handle the 4 ohm speaker load of many car subwoofers. The good news is that for casual listening you don’t need a ton of power like you do for cars and truck use. (Don’t worry – I’ll share these in detail below)Įven if you have the right car subwoofer(s) your amp needs to have enough power available to drive the subwoofer box. Using workarounds: this includes using a small 4-ohm capable amp between the receiver and sub or an inline resistor to bring up the speaker load.Your home stereo or amp can handle 4 ohm speakers (most can’t so let’s ignore this).This can be two 4 ohm subwoofers or a 4 ohm dual voice coil (DVC) subwoofer. You have a subwoofer or more than one subwoofer that can be wired for at least 8 ohms total. ![]() You can hook up a car subwoofer to a home stereo directly if: These are important, too…so don’t be careless or you could damage your home receiver or amplifier. There are several basic things you need to understand first before you try.
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