Overview

The JBL ST400 BLK is a high-performance super tweeter designed to deliver exceptional detail and clarity in high-frequency reproduction without harshness. Ideal for professional audio applications such as PA systems, stage monitors, and various sound reinforcement setups, the ST400 BLK can be used individually in lower power systems or arrayed for increased coverage and sound pressure levels in higher power configurations.

Features

• High Power Handling: 150 Watts RMS and 300 Watts peak, suitable for demanding audio environments.
• Impedance: Standard 8 Ω for broad compatibility with audio equipment.
• Frequency Response: 3,000 Hz – 20,000 Hz for crisp and detailed high frequencies.
• High Sensitivity: 111 dB (1W/1m) delivers loud and clear sound with minimal power input.
• Durable Construction: Phenolic diaphragm in a robust plastic enclosure ensures longevity and consistent performance.
• Controlled Dispersion: 40° x 40° conical dispersion pattern provides focused high-frequency coverage.

Technical Specifications

• Nominal Impedance: 8 Ω
• Power Handling: RMS: 150 W; Peak: 300 W
• Frequency Response: 3,000 Hz – 20,000 Hz
• Sensitivity: 111 dB (1W/1m)
• Diaphragm Material: Phenolic
• Voice Coil Diameter: 1.7 inches (42 mm)
• Sound Dispersion (HxV): 40° x 40°
• Magnet Weight: 15 oz (430 g)
• Housing Material: Plastic
• Net Weight: Approximately 3.13 lbs (1.69 kg)