JBL Stage GT50011 – Mono Class-D Subwoofer Amplifier (1220W Peak)

The JBL Stage GT50011 is a compact mono Class-D amplifier built to drive your subwoofer with clean, controllable power. Tune your low end precisely with adjustable low-pass filtering, a flexible Bass EQ (frequency and width), and variable phase. High- and low-level inputs make integration easy with factory or aftermarket head units, while full protection circuitry keeps the system safe. If you want tight, musical bass from a small footprint, this JBL Stage GT mono is ready—buy now at TGM Tools.

Key specifications:

• Maximum power: 1220 W peak

• RMS power: 500 W @ 2Ω; 300 W @ 4Ω

• Frequency response: 10 Hz – 320 Hz ±1 dB

• Bass EQ: 0–12 dB adjustable

• Bass EQ frequency: 30–100 Hz

• Bass EQ width: narrow – wide

• Phase adjustment: 0° – 180° adjustable

• Low-pass filter: 32 – 320 Hz

• Input sensitivity: 0.2 – 5 V (low); 1 – 25 V (high)

• Protection: short circuit, overvoltage, undervoltage, overheating

• Supply voltage: 9 – 16 V

• Fuses: 2 × 30 A

• Dimensions (W × L × H): 132.5 × 246.9 × 49.5 mm

• Weight: 1.63 kg

What’s in the box:

• 1 × JBL Stage GT50011 amplifier

• 1 × remote bass control

• 1 × remote bass control cable

• 2 × spare fuses

• 1 × high-level input cable

• 4 × mounting screws with washers