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HYPEX FA503
3-channel amplifier module with integrated DSP.
Power: 2 × 500 W + 1 × 100 W (up to 1200 W in bridge)
Ncore® technology in Class D with 92% efficiency
DSP with 15 biquads per channel and 3 configurable presets (HFD)
Frequency response: 10 Hz – 50 kHz | SNR: 124 dB | THD+N: 0.0018%
Inputs/outputs: RCA, XLR, S/PDIF, AES/EBU, coaxial
USB only for configuration (does not transmit audio)
Functions: auto-off, signal detection, BTL, thermal protection and clip
Compatible with Hypex Filter Design software (Windows only)
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Hypex FA503 FusionAmp. 3-Channel DSP Plate Amplifier with 2 × 500 W + 1 × 100 W Ncore® Power
Overview
The Hypex FA503 is a high-performance 3-channel plate amplifier featuring two 500 W channels and one 100 W channel, driven by Ncore® Class D technology. Integrated with a powerful DSP and an efficient switch-mode power supply (SMPS), the FA503 is an all-in-one solution for active 2- or 3-way speaker systems that demand uncompromising sonic accuracy and control.
Key Features
2 × 500 W + 1 × 100 W Ncore® amplification
Built-in high-resolution DSP and DAC
Transparent, neutral, and highly detailed sound
Ideal for active 3-way loudspeakers or high-powered 2-way designs
Extensive analog and digital input compatibility
BTL (bridged) operation for up to 1200 W
Attention
Note: DSP comes with no default filter loaded. A filter must be configured using Hypex Filter Design (HFD) software before the amplifier will output sound.
Power Output
2 × 500 W + 1 × 100 W @ 4 Ω
2 × 270 W + 1 × 100 W @ 8 Ω
2 × 400 W @ 2 Ω + 1 × 100 W @ 4 Ω
Bridged (BTL) Mode Output:
1 × 1000 W @ 4 Ω
1 × 1200 W @ 8 Ω
Amplifier Section
Amplifier Class: Class D
Circuit Topology: Ncore®
Efficiency: 92% at full output
THD+N: 0.0018% (10–20,000 Hz @ 0.5 × rated output)
SNR: 124 dB
Frequency Response: 10 Hz – 50,000 Hz
Input Characteristics
Input Impedance:
54 kΩ (RCA)
44 kΩ (XLR, differential)
2.2 MΩ (XLR, common mode)
Input Sensitivity: 2.35 Vrms for rated output
DSP & Connectivity
DSP/DAC Integrated
Sample Rate:
Up to 192 kHz (optical limited to 96 kHz)
USB: Configuration only (not for audio playback)
Inputs / Outputs
Analog I/O: 1 input / 1 output
RCA: 1 input
XLR: 2 inputs / 2 outputs
S/PDIF: 2 inputs / 1 output
AES/EBU: 1 input / 1 output
Coaxial: 1 input / 1 output
Subwoofer Output: Not available
Bluetooth / Network: Not available
DSP Functionality
15 biquads per output channel
3 user-selectable filter presets
Signal detection and auto standby
BTL mode
Clip, thermal, and filter protection
Software: Hypex Filter Design (HFD) – Windows compatible only
Remote Control: Optional (sold separately)
Power Supply
Mains Input Voltage: 200–240 VAC ±10%
Connector: IEC C14
Current Limit: 27 A
Protection: Under-voltage and over-voltage
Mechanical
Dimensions (H × W × D): 420 × 150 × 90 mm
Mounting Cutout: 396 × 126 mm
Box Contents
1 × FA503 FusionAmp Module
1 × Printed User Manual
1 × Speaker Connection Cable Set
1 × Power Cable (C13 – EU or UK)
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