| ■ Fully isolated power supply to eliminate loop interference ■ Comprehensive circuit protection, no fear of reverse power supply connection ■ 375Wx4 ultra-high power for each of the 4 channels ■ Custom audio coupling transformers, completely isolate the front and rear stages, greatly suppress interference noise, making the sound purer ■ PBTL circuit design for strong control ■ The entire machine PCB circuit design is standardized, with reasonable grounding and minimal circuit noise ■ Built-in voltage stabilizer, internal voltage is unaffected by fluctuations in the car battery voltage *Product appearance and parameters have been on the market after the product shall prevail! |
| Model: | FH-4 Ultra |
| Type: | Class D Four Channels Amplifier |
| Max Power @ 4Ω: | 375 W x 4 ch |
| Nom Power @ 4Ω: | 250 W x 4 ch |
| Operating Voltage: | 8 - 18 VDC |
| Frequency Response: | 10 Hz - 22k Hz |
| Signal Noise Ratio: | 108 dB |
| Distortion Degree(T.H.D.): | ≤0.003% |
| Input Sensitivity: | 0.5 V - 2V RMS |
| Input Impedance: | 10k Ω |
| Net Weight: | - |
| Dimensions (LxWxH;mm): | 274 x 172 x 50.5 |
