Rythmik Audio F15 Direct Servo Subwoofer body-style-flying-v Operating Time: 7 hours

Operating Time: 7 hours

switches simultaneously

Presence control adjusts a high-frequency filter

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Made in Finland

Rythmik Audio F15 Direct Servo Subwoofer body-style-flying-v Operating Time: 7 hoursRythmik Audio F15 F15HP Direct Servo Subwoofer Overview: Finesse meets brute force We've introduced our HP series to satisfy the needs of customers with larger rooms and those who want greater bass impact. Our HP subs offer two advantages when compared to our other subs. The first is 2 dB higher output. At bass frequencies, every 6 to 10 dB increase sounds twice as loud (the actual number varies with listeners). So the 2 dB increase with our HP series