Passive subwoofer was subwoofer that needed separated amplifier to to make him functioning, Passive subwoofer only took the form of the product subwoofer without amplifier and box. If you looking for passive subwoofer, there are some tips to choose passive subwoofer :
Tips 1 - Based on your requirement
Pay attention to the concept audio that was chosen, if that was chosen for more sound quality (SQ), so you need subwoofer that could beating soft bass and usually was enough with one subwoofer that was measuring 10” or 12” that with suitable specification. Whereas if wants more Sound Pressure Level concept (SPL) pure then you needed more than one subwoofer that was powerful, generally that was measuring 12” so low frequenty that received more maximal until produce high decible value.
Tips 2 - Pay attention about response frequency
If the value of the frequency was lower, that's mean more higher quality bass voice that's produce by the subwoofeer.
Tips 3 - Pay attention about sensitivity value and decible value
If the sensitivity value and decible value was higher so the subwoofer responses to the voice will also be better.
Tips 4 - Based on the capacity amplifier that will be used to the subwoofer.
The capacity amplifer with subwoofer must be balanced, don't let subwoofer power higher from the amplifier. If it happen then subwoofer will not be maximal on produce bass voices.
Tips 1 - Based on your requirement
Pay attention to the concept audio that was chosen, if that was chosen for more sound quality (SQ), so you need subwoofer that could beating soft bass and usually was enough with one subwoofer that was measuring 10” or 12” that with suitable specification. Whereas if wants more Sound Pressure Level concept (SPL) pure then you needed more than one subwoofer that was powerful, generally that was measuring 12” so low frequenty that received more maximal until produce high decible value.
Tips 2 - Pay attention about response frequency
If the value of the frequency was lower, that's mean more higher quality bass voice that's produce by the subwoofeer.
Tips 3 - Pay attention about sensitivity value and decible value
If the sensitivity value and decible value was higher so the subwoofer responses to the voice will also be better.
Tips 4 - Based on the capacity amplifier that will be used to the subwoofer.
The capacity amplifer with subwoofer must be balanced, don't let subwoofer power higher from the amplifier. If it happen then subwoofer will not be maximal on produce bass voices.
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