Description
The iK41 is a professional four-channel Class D amplifier designed to deliver high efficiency, advanced DSP processing, and full network control in a compact 2U rack format. It is purpose-built as a controller amplifier for Martin Audio WPM line arrays, TORUS 8 systems, and selected Martin Audio loudspeakers, while also supporting flexible multi-channel amplification across a wide range of professional applications. With integrated 96kHz DSP, Dante™ and AES3 connectivity, and remote management via VU-NET™, the iK41 ensures precise system tuning, reliable performance, and excellent audio quality for both touring and installed sound environments.
More Information
Key Features
- Four-channel Class D power amplifier
- Designed for WPM line arrays and TORUS 8 systems
- Advanced 96kHz DSP with FIR filtering capability
- Dante™ (AES67 compatible) network audio support
- AES3 digital audio input and link capability
- Ethernet-based remote control via Martin Audio VU-NET™
- High-efficiency Series Resonant power supply
- Flexible bridged-channel operation
- Supports 25V, 70V, and 100V constant voltage outputs
- Dual variable-speed cooling fans with front-to-back airflow
- Compact and rugged 2U rack-mounted design
- Optimized for touring and installed sound systems
Technical Specifications
- Four-channel Class D amplifier
- 1500W per channel @ 2Ω
- 1500W per channel @ 4Ω
- 750W per channel @ 8Ω
- 325W per channel @ 16Ω
- 3000W bridged per channel pair @ 4Ω
- 3000W bridged per channel pair @ 8Ω
- 685W / 1500W / 1163W 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
