There is no better feeling than getting exactly what you paid for. This will always be the case with Rockford Fosgate's R400-4D 4-channel amplifier. This CEA-2006 compliant amplifier will give you the rated power output each and every single time, making you feel like your money was well spent. The variable high-pass crossover and variable bass boost will allow for more control of your music to be set at your personal preferences. Rockford Fosgate is well known for making great products and this amplifier is no exception. The heavy duty cast aluminum alloy heatsink will help reduce heat and lower distortion levels or possible thermal overload. This will keep your amplifier running smooth and safely during any listening session. So if you are looking for a reliable, and efficient 4-channel amplifier without breaking the bank, then the R400-4D is the perfect amplifier for you.

Features:

General Features:

• Prime Series Full Range Class D 4-Channel Car Amplifier
• RMS Power Rating:
  • 4 ohms: 75 watts x 4 chan.
  • 2 ohms: 100 watts x 4 chan.
  • Bridged, 4 ohms: 200 watts x 2 chan.
• MOSFET power supply
• LED power (green) and protect (red) indicators
• Variable Bass Boost (0 to +18 dB bass boost at 45 Hz)
• Soft Start Turn-on
• 4/2 channel switch
• 40 Amp In-line fuse is highly recommended
• Heavy duty cast aluminum alloy heatsink for extreme heat dissipation
• Nickel-plated RCA level inputs
• Nickel-plated screw terminals
• Variable high-pass filter (50-250 Hz, 12 dB/octave)
• Variable low-pass filter (50-250 Hz, 12 dB/octave)
• CEA-2006 compliant amplifier
• Dimensions: 6-11/16 Inch L x 11 Inch W x 2 Inch H
• 4-gauge power and ground wiring is required for installation.

Specifications:

Power Specifications: Full Range

• RMS Power @ 4 ohms: 75 watts x 4 channels
• RMS Power @ 2 ohms: 100 watts x 4 channels
• RMS Power @ 1 ohm: Not Stable
• Bridged RMS Power: 200 watts x 2 channels

Amplifier Specifications:

• Amplifier Class: D
• Number of Channels: 4
• Total RMS Power Output: 400 watts
• Maximum Input Gauge Size: 4 AWG
• Minimum Impedance Unbridged: 2 ohms
• Minimum Impedance Bridged: 4 ohms
• THD at Rated RMS Power: 1.0%
• Speaker Level Inputs: No
• Preamp Outputs: No
• Built-in Crossover: LP/HP/AP
• High-Pass Crossover Frequency: 50 - 250 Hz
• Low-Pass Crossover Frequency: 50 - 250 Hz
• Signal-to-Noise Ratio: 90 dB
• Bass Boost: 0 - 18 dB
• Bass/Gain Remote: No
• Fan Cooled: No
• Fuse Rating: 40A x 1
• CEA-2006 Compliant: Yes