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Pioneer GM Series Amplifiers

A Solid Foundation
Adding an amplifier to your vehicle redefines your in-car experience, and can completely change the way you listen to your favorite music. The Pioneer GM series amplifiers are designed to add loads of much-needed volume, chest-thumping power, and heightened clarity.

Solid Value
GM series amplifiers provide exceptional value. Get more watts-per-dollar compared to competing brands, and save money to build other components in your system.

Bridgeable Operation
These bridgeable amplifiers also allow for more power as your needs grow. By combining the power of multiple channels to drive different system configurations, you can take your system to a whole new level of sound.

GM-6400F Features

600-Watt Max Power
Anybody have a problem with more power? We didn't think so. The GM-6400F packs an impressive wallop despite its small size, with 760-watt max power capability. It can run 60 watts x 4 at 4 ohms, 150 watts x 2 at 4 ohms, or 75 watts x 4 at 2 ohms--whichever best fits your system configuration.

Built-In Crossover (80Hz Low-Pass Filter)
Built into the GM-6400F is a very smart crossover network. It works like a gateway, routing the big bass signals (80Hz or lower, at -12dB/octave) to the speaker that handles them best, filtering out higher-frequency signals to that speaker. This optimizes your system's efficiency and delivers the best possible sound quality.

Speaker Level Inputs
The GM-6400F's speaker level inputs allow you to connect your OEM unit (or any unit that doesn't have the typical RCA-type inputs) without having to buy add-on adapters. The install goes faster, you save money, and you've got a Pioneer amp in your vehicle.

Gain Control
What is power without 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. 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.

Bass Boost
Selectable 50Hz Bass Boost gives you more control over how your music sounds. It lets you set the optimal bass level for each speaker/sub connected to the GM-6400F, so the tone controls from your headunit can do what they do best. And because this is selectable bass boost, you can set the level at 0dB, 6dB, or 12dB, whichever sounds best to you.