Lorenz LZ-2100CDN 2Ch ×100W Class-D Power Amplifier

Lorenz LZ-2100CDN 2CH x 100W Class-D Power Amplifier

Introduction

The Lorenz LZ-2100CDN Class-D Power Amplifier is a professional audio amplification solution designed for conference rooms, classrooms, meeting spaces, and distributed public address systems. The amplifier delivers 2 × 100 watts output power with high efficiency and low distortion, ensuring clear and reliable audio performance. It supports balanced and unbalanced line-level inputs and is compatible with 70V / 100V distributed speaker systems, making it suitable for modern AV installations requiring energy-efficient and stable sound reinforcement. 

Key Features

• High-efficiency Class-D amplifier architecture
• Dual channel amplifier delivering 100W per channel output
• Supports balanced and unbalanced line-level input signals
• Compatible with 70V / 100V distributed speaker systems
• High signal clarity with low distortion audio performance
• Built-in clip limiter protection for stable audio output
• Thermal protection system for safe and reliable operation
• Short-circuit and overload protection for amplifier safety
• LED status indicators for Limiter, Protect, and Over-Temperature conditions
• Compact and energy-efficient design suitable for professional AV installations 

Technical Specifications

General

• Model: LZ-2100CDN
• Amplifier Type: Class-D Power Amplifier
• Number of Channels: 2 Channels

Output Performance

• Rated Output Power: 2 × 100 W
• Amplifier Efficiency: ≥ 90%
• Frequency Response: 20 Hz – 20 kHz (±1 dB)
• Signal-to-Noise Ratio: 102 dB
• Total Harmonic Distortion (THD): ≤ 0.05%
• Channel Separation: ≥ 60 dB
• Dynamic Range: ≥ 90 dB

Input

• Input Type: Balanced / Unbalanced line level
• Input Connectors: Phoenix / Euroblock or RCA
• Input Sensitivity: 0.775 V / 1 V
• Input Impedance: ≥ 10 kΩ

Output

• Output Type: Constant Voltage Speaker Output
• Output Voltage: 70 V / 100 V
• Speaker Connection: Euroblock connector

Protection

• Clip limiter protection
• Over-temperature protection
• Short-circuit protection
• Overload protection

Controls & Indicators

• Status Indicators: Power, Signal, Clip/Limiter, Protect
• Control Interface: Volume / gain adjustment controls

Mechanical

• Mounting Type: Rack mount installation
• Form Factor: Approx. 1U rack size
• Weight: Approx. 3–5 kg

Electrical

• Power Supply: 220 – 240 V AC, 50 / 60 Hz

Environmental

• Operating Temperature: 0°C – 45°C
• Storage Temperature: −10°C – 60°C
• Relative Humidity: 5% – 90% non-condensing

Compliance

• Certifications: CE, FCC, RoHS, LMPC