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Pioneer GM-3400T 2-channel car amplifier — 60 watts RMS x 2

Item # 130GM3400T

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Item # 130GM3400T

About the Pioneer GM-3400T

Buck Pomerantz

Upgrade your in-car listening experience with a Pioneer GM Series amplifier — it'll provide the power and sound quality you're looking for, all in a reliable package you can count on. Under the hood, solid construction eliminates resonant vibrations that can cause distortion, while an efficient cooling system keeps the amp running clean when it's working hard.

The GM-3400T 2-channel amplifier produces 60 watts RMS per channel — just the ticket for powering a set of speakers. Or bridge the amp to mono operation for a potent 175 watts on tap — plenty of power for most subs. The built-in low-pass filter sends everything below 80 Hz to your sub, while high- and low-level inputs allow you to add the GM-3400T to almost any system, even a factory stereo.

Product highlights:

  • 2-channel car amplifier
  • 60 watts RMS x 2 at 4 ohms (85 watts RMS x 4 at 2 ohms)
  • 175 watts RMS x 1 in bridged mode (4-ohm stable in bridged mode)
  • CEA-2006 compliant
  • selectable low-pass filter (80 Hz, 12 dB per octave)
  • MOSFET power supply
  • preamp- and speaker-level inputs
  • fuse rating: 25A x 1
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 10-3/8"W x 2-7/16"H x 8-5/8"D
  • warranty: 1 year
  • MFR # GM-3400T

What's in the box:

  • 2-Channel amplifier
  • 25A fuse (installed)
  • 4.5" Speaker-level input harness
  • Four 3/4" Self-tapping screws
  • Owner's Manual (Eng/Spa/Fre)
  • Warranty sheet (Eng/Fre)

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Product Research



CEA 2006 Compliant: The Pioneer GM-3400T Two-Channel Power Amplifier power ratings are measured according to the strict standards dictated by the Consumer Electronics Association (CEA). These standards allow you to accurately compare the rated power output of all CEA 2006-compliant amplifiers, even if they come from different brands. Manufacturers who adhere to the standards can display the CEA 2006 logo on their products and packaging. CEA2006 Specifications:

  • Two-Channel: 60 watts x 2 at 4-ohms with 1% THD+N (85 watts x 2 at 2-ohms with 1% THD+N)
  • Bridged: 175 Watts x 1 at 4-ohms with 1% THD+N

H-Shaped Chassis: The H-shaped bottom chassis utilizes Pioneer's expertise and exclusive technologies to eliminate resonant vibrations. The H-shaped bottom chassis ensures that your music is reproduced as intended, loud and clear.

Superior Ground Parts: High levels of electric current can easily create noise within an amplifier; especially ground noise. To avoid this, Pioneer made careful consideration when designing and selecting components for use within this amplifier. Only the best, most efficient parts were selected after repeated testing to provide a superior noise-free listening experience.

Efficient Sub-Heatsink: When designing the amplifier chassis Pioneer utilized a main heatsink and a sub-heatsink to dissipate heat. These efficient heatsink structures ensure that the amplifier stay their optimal temperature and keep cool.


Gain Control: To accommodate the varying range of signal levels coming from today's factory and aftermarket radios, all of Pioneer's GM-series amplifiers feature adjustable gain controls (0.2-6.5V). This means that no matter what kind of radio is connected to this amplifier, the appropriate gain control adjustment can be made to ensure loud, clear, distortion-free music. And even if the gain control level is set improperly, Pioneer's Gain Control Caution feature will automatically reduce the amplifier's output until the headunit volume is decreased to acceptable levels. This added layer of protection helps to prevent damage from occurring to the amplifier and the speakers connected to it due to improper gain control adjustments.

Low-Pass Crossover: Built into the GM-3400T is a very smart low-pass crossover network. The fixed low-pass crossover routes the big bass signals (80Hz or lower, at -12dB/octave) to the speaker that handles them best, and filters out higher-frequency signals to that speaker. This optimizes your system's efficiency and delivers the best possible sound quality.


Power Connections: The power and ground connections are 0.5625" wide screw terminals that will accommodate up to 4-gauge wire. The remote turn-on terminal is 0.3125" wide and will accept up to 8-gauge wire. A Phillips-head or flat blade screw driver (not supplied) is required to tighten/loosen the terminals. Spade connectors are recommended for the power, ground, and remote wires.

Speaker Connections: The speaker terminals are also 0.3125" wide and will accommodate up to 8-gauge wire. A Phillips-head or flat blade screw driver (not supplied) is required to tighten/loosen the terminals. Spade connectors are recommended for the speaker wires.

RCA Input: The amplifier features a pair of gold-plated stereo RCA outputs (left/right).

Speaker Input: The GM-3400T's speaker level inputs and harness allow you to connect your OEM unit (or any unit that does not have the typical RCA-type inputs) without having to buy add-on adapters.

Fuses: The GM-3400T features one 25-amp ATC blade fuses.

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