This amp has been fully tested and works perfectly. The MTX Thunder 4250D Amplifier is a high-quality mono channel amplifier designed for car audio systems. With a power output of 365 RMS, this amplifier delivers powerful sound performance. Proudly made in the United States by the reputable brand MTX, this amplifier is a reliable choice for enhancing your vehicle's audio experience. Ideal for music lovers looking for a premium audio upgrade, the MTX Thunder 4250D Amplifier is a top choice for those seeking top-notch sound quality.
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