A smaller model than the Polk Monitor XT12, the Polk Monitor XT10 subwoofer nevertheless offers the same peak power, 100 watts. However, in addition to the size, there is another major difference, the Polk Monitor XT10 incorporates Class D amplification and not Class AB as on the Polk Monitor XT12.
Polk Monitor XT10, acoustic and connectivity package The Polk Monitor XT10 subwoofer features a 25.4 cm (10'') woofer loaded with bass-reflex in downfire configuration. The connectors include a stereo RCA line input and/or an LFE RCA input. Its performance is worthy of the reputation of Polk Audio equipment with bass that goes down to 24 hertz.
Polk Monitor XT10, settings Of course, we find the classic settings of a subwoofer with in the first place an adjustment of the output level directly on the rear panel of the subwoofer. Also present, the setting of the low-pass filter and the phase. 
Availability announced for this month of December. Indicative price: 329 euros. 