Heinrich DPA2250 Power Amplifier

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2×250W RMS powerful dual-channel output
Supports 100V line & 4–16Ω speakers
Energy-efficient Class-D amplifier
20Hz–20kHz wide frequency response
Balanced phoenix inputs for noise-free audio
Ultra-low THD <0.1%
High S/N ratio >80dB
Advanced protection: short circuit, overload, heat, DC, clip
115V/230V AC power + optional 24V DC backup
Durable 24/7 commercial-grade construction

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Description
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The Heinrich DPA2250 Class-D Power Amplifier is a premium professional audio amplifier engineered for modern public address and background music systems across India. With dual-channel 250W output, provides exceptional audio clarity and long-distance coverage, making it suitable for commercial buildings, retail outlets, hotels, hospitals, corporate offices, educational institutions, and large public spaces. Designed with advanced technology, this amplifier supports 100V line systems for distributed speakers and low-impedance 4–16Ω loads for high-fidelity audio setups. Its Class-D circuitry enhances efficiency while minimizing heat production, ensuring long-term reliability even in continuous operation. The built-in high-pass filter, auto-standby, and comprehensive protection system guarantee maximum safety and performance stability.

Specification

Description	Class-D Two Channel 250W Power Amplifier
Rated Power	2 × 250W
Speaker Output	4–16Ω & 100V
Frequency Response	L/H Cut Off 20Hz – 20kHz (±2dB)
Input	0.775V, 0dBu, balanced phoenix connector
Input Impedance	10kΩ
THD	<0.1% (1kHz / –3dBv, 100W)
S/N Ratio	>80dB
Crosstalk	<–60dB, 1kHz, Max Output
Power Consumption	550W
Power Supply	AC 115V / 230V switchable, 50–60Hz; 24V DC (optional)
Dimensions	482(W) × 372(D) × 44(H) mm
Weight	7.5 kg