ROCKFORD PBR400X4D – Compact 4-channel amplifier – 400W RMS – 2/4 Ohms
Produit disponible sous 6 jours.
SKU: PBR400X4D
Category: 4 Channel Amplifiers - Power and Clarity, Amplifiers and DSP, Home Page, Rockford Fosgate
Vendeur:Rockford

ROCKFORD PBR400X4D – Compact 4-channel amplifier – 400W RMS – 2/4 Ohms
The ROCKFORD PBR400X4D amplifier is a true technological feat. Thanks to the patented BRT (Boosted Rail Technology) , it offers impressive power in an ultra-compact format . Perfect for vehicles with limited space , motorcycles or motorhomes , this Class D amplifier guarantees excellent energy efficiency while maintaining a discreet installation. With its CLEAN system, differential inputs and advanced thermal management, it delivers powerful and clear sound , even in the most demanding environments.
Main features
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Model : ROCKFORD PBR400X4D 4-Channel Amplifier
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Technology : Class D with BRT (Boosted Rail Technology) system
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CLEAN feature : Clip detection with LEDs
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Differential inputs : low level RCA and high level beam
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Filters : High-pass (60/80 Hz) and low-pass (80 Hz) – 12 dB/octave
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Cooling : Extruded aluminum radiator with natural convection
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Installation : Compact and lightweight format, ideal for motorcycles or small spaces
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Built-in protection : Overload, overheating, short circuit
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Progressive power-up (soft start)
Pack contents
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ROCKFORD PBR400X4D Amplifier
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Speaker Wiring Harnesses
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Power connectors
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Installation Manual
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Mounting screws
Technical specifications
Data | Value |
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RMS power @ 4 Ohms | 4 x 50 W |
RMS power @ 2 Ohms | 4 x 100 W |
Bridged @ 4 Ohms | 2 x 200 W |
Dynamic power | 4 x 75 W (4 Ohms), 4 x 130 W (2 Ohms), 2 x 270 W (4 Ohms bridged) |
Frequency response | 20 Hz – 20 kHz ±1 dB |
Input sensitivity | 150 mV – 12 V |
Efficiency | > 75% |
Hi-Level | Beam with DC offset detection |
RCA inputs | 2 pairs (4 channels) |
High-pass filters | 60 Hz or 80 Hz – 12 dB/oct |
Low-pass filter | 80 Hz – 12 dB/oct |
Power cable diameter | 8 mm² |
HP cables | 1.5 mm² |
HP outputs | 4-pin harnesses (front/rear) |
Food | 9 – 16 VDC |
Recommended fuse | 60 A |
Average consumption @ 13.8V (music) | 27 A |
Max. consumption @ 13.8V (sine) | 50 A |
Recessed dimensions
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Height : 3.9 cm
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Width : 10.79 cm
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Depth : 17.16 cm
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Weight : 1.4 kg
Why choose this product?
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🔹 Ultra-compact format for discreet installation in any type of vehicle
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🔹 Exclusive BRT technology for high performance without switching power supplies
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🔹 Impressive power for such a small amp
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🔹 Ideal for motorcycles, recreational vehicles and stealth installations
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🔹 Universal inputs : OEM and aftermarket compatibility
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🔹 Built-in filters to refine audio rendering
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🔹 CLEAN System : optimized and protected sound quality
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🔹 Rockford Fosgate reliability : robustness and professional finish
Shipping Policy
At Multison, we are committed to providing you with a fast, reliable and secure delivery service for all your in-car audio, video and multimedia products.
Delivery Zones
We deliver to mainland France and several European countries, directly from our warehouse in France.
Delivery Times
Delivery times vary depending on the product and destination:
- Metropolitan France : Generally, 4 to 8 working days after order processing.
- Europe : Approximately 5-15 business days depending on destination and local shipping conditions.
Please note that delivery times are indicative and may vary depending on periods of high demand, such as holidays or sales.
Order Tracking
As soon as your order is shipped, you will receive a confirmation email containing a tracking number allowing you to follow your package in real time.
Shipping Costs
Shipping costs are automatically calculated at checkout based on the size, weight and destination of your package. Free shipping options may be available for certain purchase amounts or during special promotions.
Delays and Incidents
In case of any delay or problem related to the delivery, our customer service is at your disposal to assist you. You can contact us via our "We are here to help you" page for any questions or follow-ups.
Returns
We want you to be completely satisfied with your purchases. If you are not completely satisfied, here is our return policy:
- Return Period : You have 14 days from receipt of your order to make a return.
- Return Conditions : Items must be in their original condition, unused, and in their original packaging.
- Return Procedure : Please contact our customer service via our "We're here to help" page for return instructions. Return fees may apply depending on the circumstances.
We are here to support you in your shopping experience and ensure your satisfaction.
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Installation guides
Access detailed tutorials and tips for simple and successful installation of your equipment.
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Care instructions
Follow our recommendations to keep your equipment in perfect condition and extend its lifespan.
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Specific Services
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