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The PowerBass GTX-14000.4 is a budget-friendly 4-channel car audio amplifier designed to boost the power going to your vehicle’s speakers and small subwoofers. It uses a Class AB topology for balanced performance with relatively low distortion, making it suitable for powering full-range speakers or bridging channels for higher output. The amp can handle up to 14 000 W max power (4 × 80 W @ 4 Ω RMS, 4 × 120 W @ 2 Ω RMS, or 240 W × 2 bridged) and includes adjustable bass boost and crossover controls, giving you flexibility in tuning your system. It’s a popular choice for entry-level sound upgrades where affordability and basic power are priorities.
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