Earthquake's FF subwoofer system was designed to offer consumers budget and volume optimized subwoofer system solutions.

The FF6.5 is your go to sub when both budget and space are limited

• built-in 150-Watt Class &A/B& high effiencypower amplifier
• Auto signal sensing
• 0 - 180° phase shift and 40 - 180Hz crossover
• Produce over 100dB peak SPL (includes room gain) from 40Hz to 135Hz.

Specifications

• Front wiring design with small footprint
• Transmission line construction and single slot port for optimized bass output
• Buit-in 150-Watt Class A/B high efficientcy power amplifier
• 12dB/Octave variable filter from 40Hz to 180Hz
• Automatic signal detection circuitry
• Status LED Indicators
• Low level(RCA) audio inputs
• 6.5'' high power subwoofer