Fostex PM-SUBmini2 5" Subwoofer. The PM-SUBmini from Fostex is a very compact, active subwoofer in a closed design. With its 5" diaphragm, it is ideal as an addition to the PM0.1 and PM0.3d, but also to any other desktop monitor. Its 50W digital amplifier module provides plenty of sound in the smallest space and thanks to the flexibly adjustable crossover frequency (40Hz to 150Hz), it can be easily combined with a variety of speakers. Features: 5 inch woofer made of fibreglass wood housing for best audio performance. Highly efficient digital amplifier with 50 W input side RCA (L/R) crossover from 40 Hz to 150 Hz adjustable phase reversal RCA thru for signal passage even when switched off. Matte finish in black. 3 year Music Store guarantee. !!!! 30 days money back guarantee. MS-ID: REC0011633-000, Manufacturer: Fostex, Space Adjustment: Yes, Separation Frequency (Hz): 150, Width (mm): 200, Depth (mm): 233, Height (mm): 185, Weight (kg): 7.4, Weight Range (kg): 5 - 7.5 Pro Audio, Studio Monitors, Studio Subwoofer