DAP SI-4.450 Amplifier

DAP SI-4.450 4-Channel Digital Amplifier

The DAP SI-4.450 is an ultra-compact 1U high 4-channel digital amplifier, specifically designed for fixed sound systems and professional integration. This device delivers 4 x 450 W RMS power at 4 ohms, featuring high efficiency and minimal weight. It is professional audio equipment, focused on maximizing space saving in equipment racks and flexible multi-channel control.

Thanks to Class D technology and a switched-mode power supply (SMPS), this amplifier efficiently manages temperature and occupies only one rack unit. The SI-4.450 model includes both standard XLR/Speakon connectors and Euroblock (Phoenix) terminals, ensuring secure and robust wiring in fixed installations. Integrated protection systems against overload, overheating, and short circuits guarantee safe operation in commercial spaces.

Key Features

• 4 independent channels: allows for controlling four different audio zones or a stereo system with additional monitors using a single device.
• System Integration series: adapted for fixed installation with convenient Phoenix (Euroblock) connectors.
• Compact 1U format: efficiently utilizes space when mounted in standard equipment racks.
• Class D efficiency: high power with low power consumption and minimal heat dissipation.
• Flexible operating modes: supports stereo, parallel, and bridge connection modes (2 x 900 W @ 8 Ohm).

Technical Specifications

• Manufacturer: DAP
• Model: SI-4.450
• Product Code: D4243
• Output Power (4 Ohm): 4 x 450 W RMS
• Output Power (8 Ohm): 4 x 250 W RMS
• Output Power (Bridge 8 Ohm): 2 x 900 W RMS
• Amplifier Class: Class D
• Frequency Response: 20 Hz - 20 kHz
• Signal-to-Noise Ratio (S/N Ratio): > 90 dB
• Distortion (THD): < 0.1 %
• Inputs: 4 x XLR, 4 x Euroblock terminal
• Outputs: 4 x Speakon, 4 x Euroblock terminal
• Dimensions: 483 x 235 x 44 mm (19", 1U)
• Weight: 4.7 kg

Included in the Package

• 1 x DAP SI-4.450 amplifier
• 1 x Phoenix (Euroblock) connector set
• 1 x Power cable
• 1 x User manual

Intended for:

• Restaurants, bars, and shopping centers requiring independent sound for different zones.
• Conference halls and educational institutions as a reliable multi-channel public address system.
• Installation projects where space in the equipment cabinet is limited, but a high number of channels is required.

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