Martin Audio iK81 8-Ch Class D Amplifier

The Martin Audio iK81 is an eight-channel Class D amplifier delivering a total power output of 10,000W. It provides 1250W per channel into impedances ranging from 2Ω to 16Ω, with bridged modes offering 2500W at 4Ω and 8Ω. Procure.ae supplies this professional audio equipment in the UAE.

The iK81 delivers precise audio processing with a 96kHz DSP sample rate for inputs/outputs and 48kHz for FIR filters. It features dynamic range exceeding 113dBA, frequency response from 7Hz to 30kHz, and total harmonic distortion under 0.05%. The unit manages thermal performance via dual vari-speed fans with front-to-back airflow in environments up to 40°C.

This amplifier supports flexible connectivity through four analogue XLR inputs, two AES3 XLR channels, and eight Dante RJ45 inputs. Outputs are provided via four Neutrik Speakon NL4 connectors, alongside CV line outputs for 25V (625W), 70V (1250W), and 100V (1250W) configurations. Control is managed via Ethernet using Martin Audio VU-NET software.

Type

eight-channel Class D power amplifier

Weight

12.5kg (27.5lbs)

Key features

High Power Output

The amplifier provides a total output of 10,000W with individual channels delivering up to 1250W into various impedance loads.

Advanced DSP Processing

Built-in digital signal processing handles audio at 96kHz for I/O and applies FIR filters at a 48kHz sample rate.

Flexible Connectivity

Inputs include four analogue XLRs, two AES3 XLRs, and eight Dante RJ45 channels for versatile system integration.

Professional Outputs

Signal is distributed via four Neutrik Speakon NL4 connectors with optional CV line outputs for 25V, 70V, and 100V systems.

Thermal Management

Dual vari-speed fans ensure cooling through front-to-back airflow, allowing operation in ambient temperatures up to 40°C.

Specifications

General
Model	iK81
Type	eight-channel Class D power amplifier

Audio
Audio In	4x analogue XLR, 2x AES3 XLR, 8x Dante RJ45
Dynamic Range	>113dBA analogue input; >114dBA AES/Dante input
Frequency Response	7Hz-30kHz (-2.5dB points, 4Ω load)
Power Output	1250W into 2Ω/4Ω/8Ω; 625W into 16Ω; 2500W bridged per pair at 4Ω/8Ω
THD	<0.05% typical @ 1kHz, 4Ω load

Connectivity
Input Voltage	85-240V AC, 47-63Hz auto-sensing
Outputs	4x Neutrik Speakon NL4 amplifier outputs

Physical
Dimensions	482 x 88 x 441mm (18.98 x 3.46 x 17.35in)
Operating Temperature	up to 40°C (104°F)
Rack Units	2U rack height
Weight	12.5kg (27.5lbs)

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This sheet is compiled from the product data held on procure.ae. For fully accurate and up-to-date figures, always refer to the manufacturer’s own specification sheet or datasheet for this model.

Specifications are provided by the manufacturer and may change without notice.

Pricing is quote-based. Contact Procure for current pricing and availability.

Delivery across the UAE and beyond, installation on request and manufacturer-backed warranty.