| Model | HD-480D |
| RMS Output Power @4Ω | 80W x4 |
| RMS Power Output @2Ω | 120W x4 |
| RMS Power Output @4Ω Bridged | 260W x2 |
| Total Harmonic Distortionc | 0.06% |
| S/N Ratio (A WTG)Ref 1W @4Ω | 96dB |
| Gain Range | 0.2V-5V |
| Crossover Range | High 120Hz-3kHz, Low 50Hz-250Hz |
| Frequency Range | 20-22kHz |
| Bass Boost | +12dB |
| Dimensions(DxWxH) | 280x160x51mm |
| Chasis Material | Aluminum |
| PCB | Double side FR-4 PCB |
| Circuit Design | Full MOSFET, Super noise rejection |
| Components | High quality SMD components, high accuracy resistors and capacitors |
| Protective Function | Overload, shortcircuit, thermal, low voltage protection |
| Certification | RoHS, E-mark certification |