Kramer Electronics PA-120Z Power Amplifier 120W

The Kramer Electronics PA-120Z is a professional-grade single-channel power amplifier designed for commercial audio installations. With 120W output power at 70V/100V and 60W at 4Ω/8Ω, this Class D amplifier delivers efficient, high-quality sound reinforcement for a variety of applications. Its fanless convection cooling ensures silent operation, making it ideal for noise-sensitive environments.

Advantages

Energy-efficient Class D topology with low heat dissipation; compact and versatile mounting options (tabletop, under-table, or rack with optional adapter); comprehensive DSP features including EQ, limiter, delay, and mixer for precise audio control; multiple input options (balanced, unbalanced, line) for flexible connectivity; Energy Star compliant for reduced power consumption.

Suitable for

• Commercial sound systems in retail stores, restaurants, and offices
• Background music and paging applications
• Conference rooms and lecture halls
• House of worship audio systems
• Public address (PA) installations

Key specifications

• Amplifier Class: Class D
• Output Power (Low-Z): 1 x 60W @ 4Ω/8Ω
• Output Power (High-Z): 1 x 120W @ 70V/100V
• Output Channels: 1
• Frequency Response: 20Hz - 20kHz (±1dB)
• Signal-to-Noise Ratio: >90dB
• Total Harmonic Distortion: <0.1% @ 1kHz, 1W
• Audio Inputs: 1x Balanced (3-pin terminal block), 1x Unbalanced (RCA), 1x Line (3.5mm jack)
• Speaker Outputs: 1x (4-pin terminal block)
• Control Ports: 1x RS-232, 1x Ethernet (RJ-45), 1x USB (Type A)
• Power Supply: 24V DC, 2.7A (external adapter)
• Cooling: Fanless (Convection)
• Mounting Options: Tabletop, Under-table, Rack (with optional adapter)
• DSP Features: EQ, Limiter, Delay, Mixer
• Input Sensitivity: 0.7V RMS (2.2dBu)
• Energy Star Compliance: Yes

Recommendations

For optimal performance, use with Kramer's optional rack-mount adapter for standard 19-inch racks. Pair with Kramer speakers and audio sources for a complete, reliable system. The PA-120Z is an excellent choice for integrators seeking a compact, powerful, and feature-rich amplifier for commercial audio projects.