Nano Bundle
JBL Stage GT80021 Audio Amplifier
The JBL Stage GT 80021 is a powerful Class-D mono car amplifier designed to deliver deep, clean, and impactful bass. Compact yet high-performing, it’s built to drive subwoofers with precision while maintaining stable power output, even in demanding conditions. Its advanced features, solid design, and efficient circuitry make it ideal for upgrading your car audio system with JBL’s signature sound.
Key Features
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Power Output
• 300 W RMS × 1 channel @ 4 ohms
• 550 W RMS × 1 channel @ 2 ohms
• Peak power up to ~800 W -
Bass Control & Tuning
• Adjustable low-pass crossover (32 Hz – 320 Hz) for accurate subwoofer integration
• Bass EQ boost up to +12 dB at 45 Hz for enhanced low-end punch
• Subsonic filter to protect subwoofers from ultra-low frequencies -
Sound Performance
• Frequency response: 10 Hz – 320 Hz
• Signal-to-Noise Ratio: >80 dB
• Low Total Harmonic Distortion for clean sound -
Protection & Reliability
• Advanced protection circuitry against overheating, short circuits, over-voltage, and under-voltage
• Compatible with start-stop vehicle systems for consistent performance -
Size & Build
• Dimensions: approx. 220 × 145 × 50 mm (L × W × H)
• Net weight: ~1.5 kg
• Compact design allows flexible installation, even in tight spaces
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