TOA DA-500FH 4-Channel 500W Digital Power Amplifier

The TOA DA-500FH is a 4-channel digital power amplifier delivering 4 x 500W output into 100V line or 20Ω impedance. Designed for professional audio installations, it features Class D technology, 85% efficiency, and independent per-channel power sections. Procure.ae supplies this unit across the UAE and MEA with quotation-based pricing.

This 4-channel digital power amplifier delivers a rated output of 4 x 500W with a frequency response of 20 Hz to 20 kHz. It utilizes Class D design and a switching power supply for 85% efficiency, consuming 460W under EN standards. The unit supports 100V line high-impedance or 20Ω channel impedance, with independent power sections per channel for reliable operation.

Built for EIA Standard 2U rack mounting, the DA-500FH measures 482 x 88.4 x 404.2 mm and weighs 9 kg. It includes forced-air cooling, removable dust filters, and Control/Monitor terminals for ON/OFF status. Ideal for stadiums, auditoriums, shopping centers, and houses of worship, it operates on 220-240V AC at 50/60 Hz.

Type

4-Channel Digital Power Amplifier

Weight

9 kg

Key features

High Power Output

Delivers 4 x 500W rated output for strong audio reinforcement in large venues.

Class D Efficiency

Utilizes Class D architecture and a switching power supply to achieve 85% energy efficiency.

Rack Mount Design

Fits standard EIA racks with a compact 2U height and dimensions of 482 x 88.4 x 404.2 mm.

Independent Channels

Features independent power sections per channel to ensure stable performance for each output.

Status Monitoring

Provides visual indicators for power, input, output, peak, and protection status via LED lights.

Specifications

General
Model	DA-500FH
Type	4-Channel Digital Power Amplifier

Audio
Channels	4
Frequency Response	20 Hz - 20 kHz
Power Output	4 x 500 W (100 V, 20 Ω)

Connectivity
Input Voltage	220 - 240 V AC, 50 / 60 Hz

Power
Power Consumption	460 W (EN standards)

Physical
Dimensions	482 x 88.4 x 404.2 mm (W x H x D)
Finish	Aluminium, Steel plate, black
Mounting	EIA Standard equipment rack
Operating Temperature	-10°C to +40°C
Rack Units	2 U
Weight	9 kg

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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.