JBL CSA-2300Z Commercial Power Amplifier 2 x 300W | 70V / 100V | 2-Channel PA Amplifier

JBL CSA-2300Z Commercial Power Amplifier

The JBL CSA-2300Z is a professional 2-channel commercial power amplifier designed for reliable, high-performance audio in commercial installations. Featuring Crown DriveCore™ Technology, it combines multiple amplifier components into a single integrated chip to improve efficiency, reduce power consumption, and provide long-term reliability.

Supporting 4Ω, 70V, and 100V speaker systems, the CSA-2300Z is suitable for background music and public address applications in retail stores, offices, restaurants, schools, hotels, hospitals, houses of worship, and other commercial environments. It also supports JBL CSR-V wall volume controllers via RJ45 connection for convenient remote volume control.

Features

• 2-channel × 300W output
• Supports 4Ω, 70V & 100V speaker systems
• Crown DriveCore™ Technology
• Compact 2U rack-mount design
• Energy-efficient amplifier with GreenEdge™ Technology
• Sleep Mode Disable function
• Supports JBL CSR-V wall controller via CAT5 cable with RJ45 connectors
• Euro-block input connectors
• Barrier strip output connectors
• Independent Bass & Treble controls for each output channel
• RS232 control for volume, mute and sleep mode
• Illuminated front panel control knobs for improved visibility

Technical Specifications

• Model: JBL CSA-2300Z
• Output Channels: 2
• Rated Output Power: 2 × 300W
• Speaker Outputs: Low-Z (4Ω), 70V & 100V
• Frequency Response: 20Hz – 20kHz (±1.0dB)
• Total Harmonic Distortion (THD): <0.5%
• Signal-to-Noise Ratio: >97dB
• Insertion Loss (70V & 100V Outputs): 1dB (Maximum)

Input Specifications

• Balanced Line Input Sensitivity: 775mV RMS
• RCA Mono Sum Input Sensitivity: 300mV RMS
• Euro Block (Balanced) Input Impedance: 20kΩ
• RCA Input Impedance: 10kΩ
• Maximum Input Level: +22dBu
• Crosstalk: <-70dB

Tone Controls

• Bass: ±12dB @ 100Hz
• Treble: ±12dB @ 10kHz

Power & Load Specifications

• AC Power: 100V / 120V / 220V / 230–240V, 50/60Hz
• Minimum Load Impedance:
• Low-Z: 4Ω
• 70V: 12Ω
• 100V: 24Ω

Operating Conditions

• Operating Temperature: 0°C to 35°C (95% RH, non-condensing)
• Storage Temperature: -20°C to 85°C

Dimensions & Weight

• Dimensions (W × D × H): 432 × 274 × 89 mm
• Net Weight: 8.05 kg
• Shipping Weight: 9.35 kg

What's in the Box

• 1 × JBL CSA-2300Z Commercial Power Amplifier
• 1 × Rack Mount Kit
• User Documentation