JBL Libra 300 Mixer Amplifier with USB & Bluetooth

The JBL Libra 300 Mixer Amplifier with USB & Bluetooth is a high-performance 300W commercial PA amplifier engineered for clarity, reliability, and versatility in demanding audio environments. Designed with a sleek industrial finish and built using Crown DriveCore technology, this amplifier delivers exceptional power efficiency, reduced weight, and robust performance suitable for continuous operation.

JBL Libra 300 Mixer Amplifier with USB & Bluetooth Ideal for auditoriums, retail stores, schools, worship spaces, hotels, outdoor events, and transport hubs, the Libra 300 offers both AC and DC power support, ensuring uninterrupted operation even during power outages. The DC mode makes it suitable for portable and outdoor installations where backup power sources are required.

The JBL Libra 300 Mixer Amplifier with USB & Bluetooth includes multiple inputs for microphones, music sources, and paging devices, making it a flexible solution for mixed-use PA systems. USB playback and wireless Bluetooth connectivity allow seamless streaming of music or announcements from phones, laptops, and media devices.

JBL Libra 300 Mixer Amplifier with USB & Bluetooth With its preamp/line output, the JBL Libra 300 can be easily expanded by connecting external Crown amplifiers for large-scale PA systems. Tone controls for bass adjustment, built-in overload protection, and low-voltage protection ensure safe and stable operation in any environment.

KEY FEATURES 

🔊 300W High-Power Output

Delivers clear, distortion-free sound for medium to large venues.

🎶 USB & Bluetooth Connectivity

Play music or announcements via USB drive or stream wirelessly through Bluetooth.

⚙️ Crown DriveCore Technology

Ensures high efficiency, reduced heat, low weight, and reliable long-term performance.

🏢 Flexible Installation

Suitable for tabletop, portable, indoor, and outdoor applications.

🔄 Expandable System

Preamp/line output enables easy integration with additional Crown amplifiers for large venues.

🛡️ Protection Circuitry

Built-in overload and low-voltage protection for uninterrupted operation.

🔌 Dual Power Supply Mode (AC & DC)

AC mode for indoor facilities and DC mode for outdoor/backup power usage.

🎤 Multiple Input Options

Supports microphones, paging systems, background music sources, and auxiliary inputs.

🔊 Wide Output Compatibility

4Ω / 8Ω / 70V / 100V outputs with touch-proof barrier strip terminals.

TECHNICAL SPECIFICATIONS

• Rated Power (AC 240V, 1kHz, 4Ω): 250W

• Total Power Output: Up to 300W

• DC Output Power: ≥ 50% of rated power

• Frequency Response: 50Hz – 15kHz (±3dB)

• Tone Controls (Bass): ±10 dB at 100 Hz

• Signal-to-Noise Ratio: ≥ 70 dB

• Output Regulation: ≤ 3 dB (no load to full load at 1kHz)

• Outputs: 4Ω / 8Ω / 70V / 100V

• Connectivity: USB, Bluetooth, RCA, Mic Inputs, Preamp/Line Output