Box has been opened but amplifier has not been used. mono subwoofer amplifier. Class D amplifier design. variable bass boost (0-18 dB at 45 Hz). High Level Input Capable. Auto-Sense bypass switch for vehicles with RAP (Retained Accessory Power).
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Outsanding Old School Amp.
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Up for sale is a rare old school Rockford Fosgate Punch 200a4 4-channel amplifier. I have just found the original instructions and birth certificate stating 392watts This is my second, please view my other listings for more Rockford Fosgate ✅ Condition: • Used, in very good condition for its age • Fully tested and working perfectly • Cosmetically clean with only light signs of use (see photos) ✅ Details: • Classic Rockford Fosgate “Old School” build quality • 4-channel design – flexible for mids, highs, or bridging to subs • Known for legendary power, reliability, and sound quality • Collectible model for serious car audio enthusiasts
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• Punch Verification Certificate. • MOSFET & DSM construction: Enhances efficiency and durability through discrete surface-mount components and modern transistor technology. Key Features.
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• Rockford Fosgate Punch 4040 DSM amplifier. • The amplifier powers up fine. • Rear channels: sound clean, powerful, and work beautifully. • Front channels: currently produce poor sound – likely in need of repair/servicing.
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Rockford Fosgate Power 250.2 2-Channel Amplifier – Boxed, Sealed Bass Knob, Fully Tested. Up for sale is a genuine Rockford Fosgate Power 250.2 amplifier in excellent condition. • Old-school Rockford build quality — designed in the golden era of USA car audio.
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Rockford Fosgate's R2 amplifiers are the building blocks for great audio systems, powerful enough to even DRIVE our Punch speakers and subwoofers. Best of all, they are designed and engineered here in Tempe, Arizona.
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Rockford Fosgate's R2 amplifiers are the building blocks for great audio systems, powerful enough to even DRIVE our Punch speakers and subwoofers. Best of all, they are designed and engineered here in Tempe, Arizona.
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