DC Audio 9.0k 9000 watt Mono Block Amplifier Woofer There is a plastic spacer

There is a plastic spacer between the motor and frame

Variable subsonic filter

and tighter control

Laminated Nomex Spiders

Frequency Response 10hz-250

DC Audio 9.0k 9000 watt Mono Block Amplifier Woofer There is a plastic spacerAbout the Product DC Audio 9. 0k Amplifier The 9. 0k competition series amplifier is rated as a 9000 watt mono block. It is a linkable amp and designed to run a 1 ohm per amp or 2 ohms when linked for up to 22,000 watts from a pair. It comes with a bass knob. Output Power (RMS): 2,400x1 @ 4 ohms 14. 4 volts 4,800x1 @ 2 ohms 14. 4 volts 9,000x1 @ 1 ohms 14. 4 volts 18,000x1 @ 2 ohm 14. 4 volts LINKED 9,800x1 @ 1 ohm 16. 0 volts 19,600x1 @ 2 ohm 16. 0