---
product_id: 57340949
title: "Punch PBR400X4D 400-Watt 4-Channel Amplifier | Class-BR, Ultra Compact Chassis, Easy on Vehicle Electrical System"
brand: "rockford fosgate"
price: "$648.66"
currency: USD
in_stock: true
category: "Rockford Fosgate"
url: https://www.desertcart.us/products/57340949-punch-pbr400x4d-400-watt-4-channel-amplifier-class-br-ultra
store_origin: US
region: United States of America
---

# 400 Watts RMS power Ultra-compact 1.5" x 4.25" x 6.75" chassis Class-D efficiency, easy on vehicle electrical system Punch PBR400X4D 400-Watt 4-Channel Amplifier | Class-BR, Ultra Compact Chassis, Easy on Vehicle Electrical System

**Brand:** rockford fosgate
**Price:** $648.66
**Availability:** ✅ In Stock

## Summary

> 🎵 Compact Powerhouse, Big Sound Impact!

## Quick Answers

- **What is this?** Punch PBR400X4D 400-Watt 4-Channel Amplifier | Class-BR, Ultra Compact Chassis, Easy on Vehicle Electrical System by rockford fosgate
- **How much does it cost?** $648.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/57340949-punch-pbr400x4d-400-watt-4-channel-amplifier-class-br-ultra)

## Best For

- rockford fosgate enthusiasts

## Why This Product

- Trusted rockford fosgate brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Efficiency:** Class-D amplifier maximizes power output while minimizing battery drain and heat generation.
- • **Flexible Installation:** Supports 2 or 4 channel configurations with selectable Butterworth crossovers for tailored audio tuning.
- • **Power That Packs a Punch:** Delivers up to 400 Watts RMS across 4 channels for crystal-clear, high-impact sound.
- • **Built to Last, Backed to Trust:** Rockford Fosgate’s legendary build quality with a 1-year parts and labor warranty ensures reliability on every ride.
- • **Fits Anywhere, Plays Everywhere:** Ultra-compact design fits seamlessly into any vehicle, motorcycle, or RV without compromise.

## Overview

The Rockford Fosgate Punch PBR400X4D is a 400-Watt RMS 4-channel Class-D amplifier featuring an ultra-compact chassis designed for versatile vehicle installations. It delivers efficient, high-quality sound with flexible channel configurations and advanced crossover options, all while being gentle on your vehicle’s electrical system. Trusted for durability and backed by a 1-year warranty, it’s the perfect upgrade for audiophiles seeking powerful sound in tight spaces.

## Description

Buy Rockford Fosgate Punch PBR400X4D 400-Watt 4-Channel Amplifier | Class-BR, Ultra Compact Chassis, Easy on Vehicle Electrical System: Multichannel Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Our compact (1.5" x 4.25" x 6.75") PBR400X4D is small enough to fit in just about any application but packs a Punch with 400 Watts RMS of power!
- Versatile design can be used in either 2 or 4 channel configurations (RMS Power Output: 50 Watts x 4 @ 4-Ohm or 100 Watts x 4 @ 2-Ohm or 200 Watts x 2 @ 4-Ohm Bridged)
- Ultra efficient Class D full range design produces maximum power with minimal strain on the vehicle's electrical system. A great choice for both mobile installs as well as motorcycles and recreational vehicles
- High level inputs with auto-on feature as well as differential RCA inputs along with selectable fixed 12dbB/Octave Butterworth Crossovers make the PBR400X4D amp compatible with just about any installation
- Famous Rockford Fosgate build quality insures that the PBR400X4D will handle everything you throw at it! Full 1-year parts and labor warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07894Y4KP |
| Best Sellers Rank | #67,235 in Electronics ( See Top 100 in Electronics ) #141 in Car Multichannel Amplifiers |
| Brand Name | Rockford Fosgate |
| Customer Reviews | 4.6 4.6 out of 5 stars (511) |
| Included Components | PBR400X4D |
| Manufacturer | Rockford Fosgate |
| Maximum Output Power | 200 watts |
| Model | PBR400X4D |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Output Power | 400 watts |
| Part Number | PBR400X4D |
| Specification Met | Cea-2006 |
| UPC | 780687351427 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | 1-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller |

## Product Details

- **Brand:** Rockford Fosgate
- **Manufacturer:** Rockford Fosgate
- **Mounting Type:** Surface Mount
- **Number of Channels:** 4
- **Voltage:** 12 volts

## Images

![Punch PBR400X4D 400-Watt 4-Channel Amplifier | Class-BR, Ultra Compact Chassis, Easy on Vehicle Electrical System - Image 1](https://m.media-amazon.com/images/I/717JKXiU76L.jpg)

## Frequently Bought Together

- Rockford Fosgate Punch PBR400X4D Compact Chassis 400-Watt Full-Range 4-Channel Amplifier
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals
- Amp Mount is Compatible with Harley Davidson 2006 to 2013 Batwing Bikes with aftermarket & Stock radios Compatible with Rockford Fosgate PBR400X4D, PBR300x2 or PBR300x4 amplifiers. Will NOT FIT 2014+

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-08*