Description
The Hypex FusionAmp FA251 is the compact mono amplifier in the Fusion range—a DSP‑enabled NCORE® plate amplifier delivering 250 W RMS of clean, controlled power. Purpose‑built for active subwoofers yet versatile enough for powered loudspeakers, the FA251 is the ideal solution for builders who want compact efficiency without compromising performance.
Driven by Hypex’s acclaimed NCORE® technology, the FA251 offers ultra‑low distortion, neutral voicing, and transparent sound reproduction. Combined with advanced DSP capability—including both IIR and FIR filters—it gives you the precision tools to design crossovers, fine‑tune low‑frequency response, and adapt your system to any acoustic environment.
The FA251 provides versatile input options, including balanced XLR in/out, unbalanced RCA, and a high‑level input, ensuring seamless compatibility with a wide range of audio sources and system setups.
Its front panel features a dedicated gain control knob, allowing quick and precise volume adjustments to match your requirements and optimize listening performance. For added convenience, the FA251 can be paired with the Fusion Remote Kit or Fusion OLED Display, enabling full remote‑control functionality so you can manage and fine‑tune your audio system effortlessly from a distance.
Compact in size but powerful in output, the FA251 is about more than watts—it’s about bringing bass and clarity to life. Whether you’re building a discreet home cinema subwoofer, a studio monitor with extended low‑end, or a compact powered speaker, the FA251 provides the depth, control, and accuracy needed to elevate your design.
The FA251 has one powerful 250 Wrms Ncore® Class-d amplifier with full DSP capabilities.
Dimensions: 280 * 120 x 55 mm
Weight: 725 gram
Specifications
Electrical
- Output Power (4Ω): 1 x 250W
- Output Power (8Ω): 1 x 130W
- Inputs: High Level, RCA, XLR
- Mains voltage input: 100-120Vac / 200-240Vac ±10%
Connections
- Analogue balanced XLR in and through
- Analogue unbalanced RCA input
- High level input
- USB 2.0 configuration interface
Features
- 1 channel / 1-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
- Clip protect
- Thermal protect
- Filter protection
What is included in the box:
- The Hypex FusionAmp FA251
- A printed copy of the user guide
- Speaker connection cables
- High-level input connector
.Available Accessories
Hypex Filter Design (HFD) is also available for free download at the Hypex website along with up to date manuals and firmware.
Take a look at this cool customer subwoofer project here
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