Description
The iK42 is a high-performance four-channel Class D power amplifier designed to deliver extremely high power density, advanced DSP control, and networked audio integration in a compact 2U chassis. Built as a dedicated controller amplifier for Martin Audio Wavefront Precision line arrays and XE Series stage monitors, it also provides flexible multi-channel amplification for a wide range of Martin Audio loudspeaker systems. With integrated 96kHz DSP, Dante™ networking, AES3 digital inputs, and full remote control via VU-NET™, the iK42 offers precise system optimization, exceptional audio quality, and robust performance for demanding touring and installation environments.
More Information
Key Features
- Four-channel high-power Class D amplifier
- Designed for Wavefront Precision line arrays and XE stage monitors
- Advanced 96kHz DSP with FIR filtering support
- Dante™ (AES67 compatible) network audio integration
- AES3 digital audio input support
- Ethernet-based remote monitoring and control via VU-NET™
- Extremely high power output with bridged channel operation
- Supports 25V, 70V, and 100V constant voltage systems
- Dual variable-speed cooling fans with front-to-back airflow
- High-efficiency Series Resonant power supply
- Rugged 2U rack-mount design for touring and installations
Technical Specifications
- Four-channel Class D amplifier
- 5000W into 2Ω
- 3000W into 4Ω
- 1500W into 8Ω
- 750W into 16Ω
- 10000W bridged per channel pair @ 4Ω
- 6000W bridged per channel pair @ 8Ω
- 1250W / 3500W / 5000W constant voltage outputs (25V / 70V / 100V)
- DSP sample rate: 96kHz (48kHz for FIR processing)
- Dynamic range: >113dBA (analogue), >114dBA (AES/Dante)
- Frequency response: 7Hz – 30kHz (-2.5dB, 4Ω load)
- Total harmonic distortion: <0.05% @ 1kHz, 4Ω load
- Slew rate: >60V/μs
- Damping factor: >800 @ 8Ω
- Analogue inputs: 4 x Female XLR, 4 x Male XLR link outputs
- Input impedance: 20kΩ balanced to ground
- Maximum input level: +20dBu
- AES3 input/link: 1 x Female XLR, 1 x Male XLR
- Dante™ ports: 2 x RJ45 (Primary and Secondary)
- Speaker outputs: 4 x Neutrik Speakon NL4
- Control protocol: Ethernet
- Control software: Martin Audio VU-NET™
- Cooling: Dual variable-speed fans, front-to-back airflow
- Maximum ambient temperature: 40°C
- Power supply: High-performance Series Resonant type
- AC operating range: 85–240V, 47–63Hz
- Mains inrush current: 6A @ 115V, 12A @ 230V (<10ms peak)
- Mains connector: Neutrik 32A Powercon
- Dimensions: 482 x 88 x 441mm
- Weight: 12.5kg
