Power Indicator

The power indicator lights when the power is switched on.

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the BFC switch using a small standard tip screwdriver.

LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch

Set the LPF/HPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system:

LPF/HPF Select

Audio frequency range

Speaker

Remarks

Switch

to be output

Type

 

LPF (Left)

Very Low Frequency range

Subwoofer

Connect a subwoofer.

 

 

 

 

OFF (Center)

Full range

Full range

 

 

 

 

 

HPF (Right)

Low Frequency range to

Full range

Use if you want to cut the

 

High Frequency range

 

very low frequency range

 

 

 

because it is not necessary

 

 

 

for the speakers you are

 

 

 

using.

 

 

 

 

ENGLISH ESPAÑOL DEUTSCH FRANÇAIS ITALIANO NEDERLANDS

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Pioneer GM-X574 Power Indicator, BFC Beat Frequency Control Switch, LPF Low-Pass Filter/HPF High-Pass Filter Select Switch
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GM-X574, GM-X374 specifications

The Pioneer GM-X374 and GM-X574 are distinguished amplifier models that capture the essence of dynamism and versatility in car audio systems. Both models are integral parts of the Pioneer amplifier series, designed to deliver high-performance sound amplification with advanced technological features, making them favorites among audio enthusiasts.

The GM-X374 is a 4-channel amplifier, allowing for versatile installation options in various vehicle configurations. One of its standout features is the compact, space-saving design, which facilitates easy mounting without consuming valuable real estate in the trunk or under seats. The amp boasts a power output of 50 watts per channel at 4 ohms and can deliver up to 90 watts per channel at 2 ohms. This ensures that users enjoy robust sound performance, even at higher volume levels, without distortion.

Pioneer's GM-X574 takes things up a notch with its 5-channel configuration, making it ideal for systems that require additional power for subwoofers. Its power output reaches 50 watts per channel for the four channels and a substantial 150 watts for the subwoofer channel at 4 ohms, ensuring a deep, resonant bass experience. This model is especially appealing to those who want to build a comprehensive sound system without needing multiple amplifiers.

Both amplifiers are equipped with an array of technologies that enhance their performance. The built-in crossover network allows users to tailor the sound output according to their preferences, making it easier to achieve a balanced audio experience. The adjustable high-pass and low-pass filters ensure that the right frequencies are sent to the appropriate speakers, vastly improving audio clarity.

Durability is another key characteristic of the GM-X374 and GM-X574. Both models are constructed with high-quality components designed to withstand the rigors of automotive environments. The heat sink design promotes efficient heat dissipation, allowing for extended use without overheating, thereby ensuring longevity and reliability.

The amplifiers are also equipped with RCA inputs, making them compatible with a wide array of head units. This flexibility allows for seamless integration into existing audio systems. These features, combined with easy installation options and a sleek design, make the Pioneer GM-X374 and GM-X574 excellent choices for anyone looking to elevate their car audio experience.
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