Hypex FusionAmp FA503

Description

The Hypex FusionAmp FA503 is the flagship of the Fusion range—a DSP‑enabled NCORE® powerhouse built for uncompromising active loudspeakers. With two 500 W RMS channels (bridgeable to 1000 W) and a dedicated 100 W tweeter channel, the FA503 delivers effortless dynamics, precision, and control across the full spectrum, ensuring that every note is reproduced with authority and finesse.

But the FA503 isn’t just about raw output—it’s about transforming the listening experience. At its heart lies Hypex’s renowned NCORE® technology, celebrated for its ultra‑low distortion, neutral voicing, and musical transparency. Combined with advanced DSP capability, including both IIR and FIR filters, the FA503 gives you the freedom to sculpt crossovers, fine‑tune frequency response, and adapt your system to any acoustic environment with surgical accuracy.

This amplifier empowers builders and audiophiles alike to create systems that feel alive—whether you’re designing a high‑end 3‑way monitor, a studio reference loudspeaker, or a powerful home setup. The FA503 provides not just power, but a foundation for perfection, enabling you to unlock the full potential of your drivers and bring music to life with clarity, depth, and emotional impact. It’s the ultimate choice for those who demand both technical excellence and an inspiring connection to sound.

The FusionAmp FA503 delivers comprehensive connectivity with balanced XLR in/out, unbalanced RCA, plus digital AES, S/PDIF, and optical Toslink inputs. This wide selection ensures seamless integration with virtually any analog or digital audio source or system.

For added convenience, pair the FA503 with the Fusion Remote Kit or Fusion OLED Display to enable full remote‑control functionality. Manage and fine‑tune your audio setup effortlessly from across the room

The FA503 has two 500 Wrms hypex Ncore amplifiers which can also be bridged to form one powerful 1000 Wrms amplifier. Additionally, a 100 Wrms Ncore tweeter channel is added.

Dimensions: 420 * 150 x 90 mm

Weight: 2275 gram

Specifications

Electrical

• Output Power (4Ω): 2 x 500W + 1 x 100W (1 x 1000W + 1 x 100W in BTL)
• Output Power (8Ω): 2 x 350W + 1 x 100W (1 x 1200W + 1 x 100W in BTL)
• Inputs: AES/EBU, Optical, RCA, SPDIF, XLR
• Mains voltage input: 100-120Vac / 200-240Vac ±10%

Connections

• Analogue balanced XLR in and through
• Analogue unbalanced RCA input
• Digital AES in and through
• Digital S/PDIF in and through
• Digital Optical TosLink input
• USB 2.0 configuration interface

Features

• 1 channel / 3-way
• FIR filters now included 4500 taps for the input channel and 1500 taps per output channel
• 15 biquads per amplifier
• Three selectable presets for filters
• Source selection
• Signal detect
• Auto shutdown
• BTL capable
• Clip protect
• Thermal protect
• Filter protection

What is included in the box:

• The Hypex FusionAmp FA503
• A printed copy of the user guide
• Speaker connection cables

Available Accessories

• Fusion Remote kit
• OLED display
• Remote control

Hypex Filter Design (HFD) is also available for free download at the Hypex website along with up to date manuals and firmware.