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For D&B Q-SUB with the original part reference QSUB, our listed replacement is B&C 18TBX100 - 18" 1200W 8 Ohm Loudspeaker. Check the markings and connections on your existing part before ordering.

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For D&B Q-SUB with the original part reference QSUB, our listed replacement is B&C 18TBX100 - 18" 1200W 8 Ohm Loudspeaker. Check the markings and connections on your existing part before ordering.