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The MDS Audiophile PRO APH 1DD is indeed a car audio power amplifier known for its high performance and reliability. Here are the specifications:
- **Type**: Class AB 4-Channel Power Amplifier
- **Power Output**:
- RMS Power at 4 Ohms: 100 watts x 4 channels
- RMS Power at 2 Ohms: 150 watts x 4 channels
- Bridged Power at 4 Ohms: 300 watts x 2 channels
- **Frequency Response**: 10 Hz ? 30 kHz
- **Total Harmonic Distortion (THD)**: < 0.01%
- **Signal-to-Noise Ratio (SNR)**: > 105 dB
- **Input Sensitivity**: 0.2V ? 6V
- **Crossover**:
- Low-Pass Filter: 40 Hz ? 400 Hz
- High-Pass Filter: 40 Hz ? 400 Hz
- **Bass Boost**: 0 ? 12 dB at 45 Hz
- **Dimensions**: 13.4 inches x 8.3 inches x 2.4 inches (34 cm x 21 cm x 6 cm)
- **Weight**: Approximately 9 pounds (4 kg)
- **Protection Features**: Overload, short circuit, thermal, and low voltage protection
- **Cooling System**: Forced-air cooling
- **Inputs**: RCA inputs
- **Outputs**: Speaker terminals, RCA line output
These specifications emphasize the amplifier's ability to deliver powerful and clear audio performance, suitable for high-fidelity car audio systems.