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Christmas cut off: The Christmas delivery cut-off date has passed. Delivery before Christmas is not guaranteed. For the best chance of receiving your order in time, please select Express shipping.
Please be advised that our website will undergo maintenance at 5:00 PM. We expect to be back online by 7:00 PM. During this time, the website may not function at full capacity.
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Rockford Fosgate P400X1 Mono Channel Amplifier
Mono Channel Punch Series Subwoofer Amplifier
- RMS Power Rating:
- 4 ohms: 250 watts x 1 Ch
- 2 ohms: 400 watts x 1 Ch
- Class-AB amplifier design
- Audiophile grade speaker connections
- CEA-2006 compliant
- Dynamic Thermal Management cooling system
- Tuned Bass EQ
- Variable low-pass & high-pass filter (50-250 Hz, 12 dB/octave)
- Frequency response: 20-20,000 Hz
- Captive C-clamp terminals
- Optional wired remote bass/treble boost (PLC2)
- Dimension: 6.05 x 19.71 x 28.02 (cm)




