Subwoofer Reviews

Monoprice Monolith 12" and 15" THX Ultra Subwoofers Review Test Bench

Test Bench

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Monolith 12” (red) Close-miked response in Extended mode with both ports open, normalized to level @ 80 Hz: lower –3 dB @ 19 Hz, –6 dB @ 17 Hz, upper –3 dB @ 161 Hz w Crossover switch set to Off.

Monolith 15” (blue) Close-miked response in Extended mode with two ports open, normalized to level @ 80 Hz: lower –3 dB @ 16 Hz, –6 dB @ 14 Hz, upper –3 dB @ 236 Hz w Crossover switch set to Off.—MJP

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