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Pioneer GM-D1004 400 Watt Class FD 4-Channel Car Amplifier

Pioneer GM-D1004 400 Watt Class FD 4-Channel Car Amplifier

Pioneer GM-D1004 4 Channel car amplifier - Main


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Overall Rating 5 (Based on 1 reviews)

Pioneer GM-D1004 Product Highlights

  • 4-Channel Car Amplifier
  • 45 Watt x 4 at 4 ohms
  • Super compact design
  • Class FD Design Offers Efficiency and High-Quality Sound
  • High and low level inputs with auto turn on
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Unit includes: Power Car Amplifier, and Instruction manual

Pioneer GM-D1004 400 Watt Class FD 4-Channel Car Amplifier
  • 400 Watts Max Power
  • Pulse Width Modulated MOSFET Power supply
  • Ultra Compact Design for installation nearly anywhere without compromising sound quality, Efficient Class-D digital Car Amplifiers are 50% smaller that the Pioneer GM-Series Car Amplifiers.
  • The easiest amplifier to install, the GM-D1004 offers low and high level inputs and doesn't require a remote turn-on connection as it has auto signal sensing to turn on. Making it perfect for factory head units with databus system that do not have remote turn on's
  • Fixed Low Pass filters and high pass filters allow you to optimize your front stage to subwoofer. The crossover has fixed frequency of 80 Hz with 12dB per octave slope
  • Bridge mode allows to run this as a three channel or two channel amplifier
  • 4 channel RCA inputs accepts up to 6.5 volt input signals
  • Gold plated screw terminal connections for Power Inputs and Speaker level outputs
  • Continuous Power Output (2 Ω, ≤ 1% THD+N): 45 W x 4
  • Continuous Power Output (4 Ω, ≤ 1% THD+N): 45 W x 4
  • Continuous Power Output Bridged (4 Ω): 90 W x 2
  • Frequency Response: 10Hz to 40kHz
  • Total Harmonic Distortion (4 Ω): < 0.05% (1kHz)
  • Signal-to-Noise Ratio (IHF-A Weighted, at 1 kHz): >75dB
  • Dimensions: 7-1/8" (W) x 1-1/2" (H) x 2-1/2" (D)

Power Output Max:

  • 100 Watts x 4 @ 4-Ohm
  • 100 Watts x 4 @ 2-Ohm
  • 100 Watts x 2 @ 4-Ohm

Power Output RMS:

  • 45 Watts x 4 @ 4-Ohm
  • 45 Watts x 4 @ 2-Ohm
  • 90 Watts x 2 @ 4-Ohm

Quick Specs:

  • Signal Input: High Level: 4-pin harness
  • Signal Input: Low Level: RCA inputs
  • Power Input connector: 3-pin harness up to 12 gauge wire
  • Frequency Response: 10Hz - 40 kHz +/-3dB
  • Circuit topology Class: Class FD
  • Operating Voltage: 9-16 VDC
  • Average Current Draw: 10 Amp
  • Recommended Fuse 15 Amp


  • 1-1/2" (H) x 7-1/8" (W) x 2-1/2" (L)

Technical Specifications

Manufacturer Pioneer
Part Number GM-D1004
Amplifier Topology Class Class FD
Number of Channels 4 Channel
Total Peak Power Output 400 watts
Total RMS Power Output 400 watts
Amplifier Bridging Bridgable @ 4 ohms
Minimum Impedance in Bridged Mode 4 ohm
Minimum Impedance in Un-Bridged Mode 2 ohm
Strappable Amplifier No
Strappable Power Output No
RCA Pre-amp Audio inputs No
RCA Pre-amp Audio outputs 2 Pairs (Front, Rear)
Preamp voltage 6 volts
Speaker level inputs Yes
Gain Control Yes
Bass Knob / Remote Gain No
Built in Crossover High-pass, Low-pass
Cooling Fan No
Color Black
Warranty 1 Year
Recommended Power Wire Gauge No
UPC Code 884938265652

Customer Reviews

Awesome amp
Review by
Install (5 star for easy)
Great amp for the money. Brought my speakers to life and I was able to connect it behind the radio using the power line to the radio for this amp. It made installation super easy and has helped my speakers so much. (Posted on 2/22/2016)

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