When designing a car audio system, impedance matching is the key point: you only need to know the nominal impedance and RMS power of each speaker to determine the correct amplifier for your sound system.
📌 Basic Principle
Impedance in parallel: when you connect several speakers of the same impedance in parallel, the equivalent impedance decreases.
Always respect the minimum impedance per channel (as specified by the manufacturer) to avoid overload, overheating, and distortion.
It is essential that your speaker can handle equal to or greater RMS power than the amplifier delivers.
Models and Their Capacities
| Model | Channels | Power per Channel | Minimum Impedance | Connection Possibilities |
|---|---|---|---|---|
| MD 1200 | 1 | 1200 W @ 1 Ω | 1 Ω | 8×8 Ω • 6×6 Ω • 4×4 Ω • 2×2 Ω • 6×8 Ω • 3×4 Ω |
| MD 1200 | 1 | 1200 W @ 2 Ω | 2 Ω | 1×2 Ω • 8×4 Ω • 2×4 Ω • 1×2 Ω • 3×8 Ω |
| MD 1200 | 1 | 1200 W @ 4 Ω | 4 Ω | 2×2 Ω • 2×8 Ω • 6×4 Ω • 1×4 Ω |
| MD 3000 | 1 | 3000 W @ 1 Ω | 1 Ω | 8×8 Ω • 6×6 Ω • 4×4 Ω • 2×2 Ω • 6×8 Ω • 3×4 Ω |
| MD 3000 | 1 | 3000 W @ 2 Ω | 2 Ω | 1×2 Ω • 8×4 Ω • 2×4 Ω • 1×2 Ω • 3×8 Ω |
| MD 3000 | 1 | 3000 W @ 4 Ω | 4 Ω | 2×2 Ω • 2×8 Ω • 6×4 Ω • 1×4 Ω |
| MD 5000 | 1 | 5000 W @ 1 Ω | 1 Ω | 8×8 Ω • 6×6 Ω • 4×4 Ω • 2×2 Ω • 6×8 Ω • 3×4 Ω |
| MD 5000 | 1 | 5000 W @ 2 Ω | 2 Ω | 1×2 Ω • 8×4 Ω • 2×4 Ω • 1×2 Ω • 3×8 Ω |
| MD 8000 | 1 | 8000 W @ 1 Ω | 1 Ω | 8×8 Ω • 6×6 Ω • 4×4 Ω • 2×2 Ω • 6×8 Ω • 3×4 Ω |
| MD 8000 | 1 | 8000 W @ 2 Ω | 2 Ω | 1×2 Ω • 8×4 Ω • 2×4 Ω • 1×2 Ω • 3×8 Ω |
| MD 12.000 | 1 | 12,000 W @ 0.5 Ω | 0.5 Ω | 4×2 Ω • 8×4 Ω • 5×4 Ω • 12×8 Ω • 8×6 Ω |
✅ Always check your speakers’ impedance before connecting them to the amplifier. This prevents incompatibilities and possible damage to both the speakers and the amplifier.
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