JBL Stage GT80021 2-Channel Car Amplifier | 800W Peak | 260W RMS Bridged | 130W RMS x2 @ 2 Ohm | Compact Class-D Amplifier

Take your in-car audio system to the next level with the JBL Stage GT80021 2-Channel Car Amplifier. Designed for powerful, clean, and efficient performance, this compact Class-D amplifier delivers up to 800W peak power, 130W RMS x2 at 2 Ohms, or 260W RMS x1 in bridged mode at 4 Ohms, making it an excellent choice for powering door speakers or a subwoofer.

Its space-saving design allows installation in tight locations without compromising performance, while advanced crossover controls and built-in protection circuitry ensure reliable operation and premium sound quality for every drive.

⭐ Key Features

⚡ Powerful 800W Peak Output

• Delivers up to 800 Watts Peak Power for dynamic and impactful audio performance.
• Produces 130W RMS x2 @ 2 Ohms for full-range speaker systems.
• Supports 260W RMS x1 Bridged @ 4 Ohms for driving a compatible subwoofer.
• Also provides 80W RMS x2 @ 4 Ohms for everyday speaker upgrades.

🎵 Efficient Class-D Amplifier Technology

• Compact Class-D design provides high efficiency with reduced heat generation.
• Delivers clean, distortion-controlled power while consuming less electrical current.
• Ideal for upgrading factory or aftermarket audio systems.

🔊 Adjustable Crossovers

• Variable High-Pass and Low-Pass Filters adjustable from 32Hz to 320Hz.
• Enables precise tuning for speakers or subwoofers.
• Helps achieve balanced and optimized sound performance.

🎚 Variable Bass EQ

• Adjustable Bass EQ (0–12dB @ 45Hz).
• Enhance low-frequency response according to your listening preference.

📦 Compact Installation Design

• Slim and compact chassis allows installation in limited spaces.
• Suitable for cars where amplifier mounting space is restricted.
• Ideal for clean and professional audio installations.

🛡 Advanced Protection Circuitry

Built-in protection systems help ensure reliable long-term operation, including:

• DC Protection (DCP)
• Over Voltage Protection (OVP)
• Under Voltage Protection (UVP)
• Over Current Protection (OCP)
• Over Temperature Protection (OTP)

These safety features help protect both the amplifier and connected audio equipment.

🔌 Wide Compatibility

• Supports Low-Level (RCA) and High-Level inputs.
• Compatible with factory and aftermarket head units.
• Operating voltage: 9V–16V, making it suitable for most passenger vehicles.

⭐ Why Choose JBL Stage GT80021?

The JBL Stage GT80021 is engineered for drivers who want premium JBL sound without sacrificing installation space. Its efficient Class-D architecture, compact footprint, flexible crossover controls, and multiple power configurations make it an excellent amplifier for upgrading speakers or powering a bridged subwoofer.

Whether you're building your first car audio system or improving an existing setup, the Stage GT80021 delivers the clean power, reliability, and performance expected from JBL.

📦 Package Includes

• JBL Stage GT80021 2-Channel Amplifier
• High-Level Input Cable
• Mounting Screws & Washers
• Spare Fuse
• QR Code Owner's Manual
• JBL Stickers
• Safety Sheet

🔧 Installation & Compatibility Notes

• Suitable for powering compatible full-range speakers or a bridged subwoofer.
• Supports both RCA and High-Level input connections.
• Professional installation is recommended for optimal performance and system tuning.

📋 Technical Specifications

• Brand: JBL
• Model: Stage GT80021
• Amplifier Type: 2-Channel Class-D
• Peak Power: 800W
• Power Output @ 4Ω: 80W RMS × 2
• Power Output @ 2Ω: 130W RMS × 2
• Bridged Output: 260W RMS × 1 @ 4Ω
• Frequency Response: 20Hz – 20kHz (±1dB)
• High/Low Pass Filter: Variable 32Hz–320Hz
• Bass EQ: 0–12dB @ 45Hz
• Low-Level Input Sensitivity: 0.2V–5V
• High-Level Input Sensitivity: 1V–25V
• Operating Voltage: 9V–16V
• Fuse Rating: 25A
• Protection: DCP, OVP, UVP, OCP, OTP

❓ Frequently Asked Questions (FAQ)

✅ Is the JBL Stage GT80021 a 2-channel amplifier?

Yes. It is a 2-channel Class-D amplifier designed for speakers or bridged subwoofer applications.

✅ How much RMS power does it deliver?

The amplifier delivers:

• 80W RMS ×2 @ 4Ω
• 130W RMS ×2 @ 2Ω
• 260W RMS ×1 Bridged @ 4Ω

✅ Can it power a subwoofer?

Yes. In bridged mode, it provides 260W RMS @ 4Ω, making it suitable for compatible subwoofers.

✅ Does it include adjustable crossover controls?

Yes. It features variable High-Pass and Low-Pass filters ranging from 32Hz to 320Hz, along with adjustable Bass EQ.

✅ Does the amplifier include protection features?

Yes. It includes protection against over-voltage, under-voltage, over-current, overheating, and DC faults for reliable long-term performance.