The Sp Audio Sp-300x4d car amplifier is a four-channel Class D model. At 14.4 V, it delivers 4 × 300 W RMS at 1 Ω, 4 × 150 W RMS at 2 Ω, and 4 × 100 W RMS at 4 Ω. In bridged mode, it delivers 2 × 600 W RMS at 2 Ω and 2 × 1,200 W RMS at 4 Ω.
The smart cooling system controls the fan according to the temperature or audio signal. It features protection against output short circuits, high or low supply voltage, and overheating.
- Channels: 4
- Amplifier class: D
- RMS power at 14.4 V: 4 × 300 W at 1 Ω, 4 × 150 W at 2 Ω, 4 × 100 W at 4 Ω
- Bridged RMS power at 14.4 V: 2 × 600 W at 2 Ω, 2 × 1,200 W at 4 Ω
- Input sensitivity: 200 mV
- Signal-to-noise ratio: 100 dB
- Frequency response: 10 Hz–20 kHz (±3 dB)
- High-pass filter: 15 Hz–6 kHz
- Low-pass filter: 50 Hz–2 kHz
- Bass boost: 0–12 dB at 50 Hz
- Cooling system: Smart, with a fan activated according to the temperature or audio signal
- Input impedance: 56 kΩ
- Protection: Against output short circuits, high or low supply voltage, and overheating
- Supply voltage: 9–16 V
- Product Number
- SP-300.4D
- Number of Channels
- 4 Channels
- Output Power (4 Ohm)
- -
- Amplifier class
- D
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.