DAP SI-2.1800 Amplifier

DAP SI-2.1800 2-channel Digital Amplifier

The DAP SI-2.1800 is an extremely powerful 1U high digital amplifier, designed for demanding permanent sound installations and professional integration. This device delivers an impressive 2 x 1800 W RMS power at 4 ohms, featuring an enormous power reserve and maximum efficiency. This is professional audio equipment, designed for rack mounting, where high power is required with minimal space.

Thanks to advanced Class D technology and a powerful switched-mode power supply (SMPS), this amplifier efficiently manages heat and operates stably even at full capacity. The SI-2.1800 model includes both standard XLR inputs and Euroblock connectors, which are essential for professional integration. Integrated protections against short circuits, overload, and DC offset ensure safety and equipment longevity.

Key Features

• System Integration series: adapted for permanent systems with convenient Euroblock terminals for quick installation.
• Compact 1U format: immense power in just one rack unit, saving space in the equipment cabinet.
• Extreme power: 3600 W RMS in Bridge mode allows driving even the most powerful subwoofers.
• Smart cooling: temperature-controlled fan ensures quiet operation at low loads and maximum efficiency during events.
• Versatility: supports stereo, parallel, and bridge operating modes.

Technical Specifications

• Manufacturer: DAP
• Model: SI-2.1800
• Product code D4232
• Output Power (4 Ohm): 2 x 1800 W RMS
• Output Power (8 Ohm): 2 x 1000 W RMS
• Output Power (Bridge 8 Ohm): 3600 W RMS
• Amplifier Class: Class D
• Frequency Response: 20 Hz - 20 kHz
• S/N Ratio: > 90 dB
• THD: < 0.1 %
• Inputs: 2 x XLR, Euroblock terminal
• Outputs: 2 x Speakon, Euroblock terminal
• Dimensions: 483 x 400 x 44 mm (19", 1U)
• Weight: 8.4 kg

Included in the box

• 1 x DAP SI-2.1800 amplifier
• 1 x Phoenix (Euroblock) connector set
• 1 x Power cable
• 1 x User manual

Intended for:

• Large-scale installations in nightclubs, sports arenas, or concert halls.
• Audio system integration specialists looking for maximum power density in a 1U chassis.
• Commercial spaces requiring uncompromising reliability and a powerful public address system.

Can't find the DAP product you're looking for? Contact us: info@stageiq.lt or +370 636 55536