Earthquake's FF subwoofer system was designed to offer consumers budget and volume optimized subwoofer system solutions.
With built-in 150-Watt Class "A/B" high effiency power amplifier, auto signal sensing, 0 - 180° phase shift and 40 - 180Hz crossover, the FF6.5 is your go to sub when both budget and space are limited.
But don't let its price nor size fool you, this small sub can produce over 100dB peak SPL (includes room gain) from 40Hz to 135Hz.
2727 McCone Ave
Hayward, CA 94545