| DALI PHANTOM CI AMP-4125 DSP Custom Installation Amplifier Specifications | |
| Frequency Range | 13Hz – 20kHz (±1dB, 8Ω load, 3dB below rated power) |
| Connection Inputs | 4 × Analogue Unbalanced RCA 4 × Analogue Balanced Euroblock Connector 1 × S/PDIF Digital In (RCA) |
| Output Channels | 4 × Lo-Z Loudspeaker (4–16Ω) 2 × Hi-Z Loudspeaker (70V / 100V) 1 × S/PDIF Digital Out (RCA) |
| Maximum Speaker Cable Cross Section | 2.5mm² / AWG 14 (Euroblock/"Phoenix" Standard) |
| Output Power @ 4Ω | 4 × 125W (SE) 2 × 250W (BTL) |
| Output Power @ 8Ω | 4 × 125W (SE) 2 × 250W (BTL) |
| Output Power @ 70V | 2 × 250W (BTL) |
| Output Power @ 100V | 2 × 250W (BTL) |
| Total System Power | 500W |
| Output Voltage | SE: 70Vp / 140Vpp (Unloaded) BTL: 140Vp / 280Vpp (Unloaded) 70/100V (High-Z) |
| Output Circuitry | UMAC™ Class D Full Bandwidth PWM Modulator with Ultra-Low Distortion |
| Signal-to-Noise Ratio | >106dB (A-weighted, 20Hz–20kHz, 8Ω load) |
| THD+N (Typical) | <0.05% (20Hz–20kHz, 8Ω load, 3dB below rated power) |
| Power Supply | UREC™ Universal Mains Switch Mode Power Supply with Power Factor Correction (PFC) and Standby Converter |
| Operating Temperature | 0°C – 40°C |
| Operating Voltage / Frequency | 100V–240V, 50Hz–60Hz Universal Mains |
| Power Ratings | 1% THD @ 120Vac and 230Vac |
| Standby Consumption | <0.5W |
| Dimensions (H × W × D) | 44 × 220 × 320mm 1.70 × 8.70 × 12.60 inches |
| Weight | 1.97kg (4.34lb) |
| Shipping Weight | 2.71kg (5.97lb) |