https://cablematic.com/en/products/logitech-z213-21-7-watt-speakers-980-000942-KF183/
Logitech Z213 2.1 7 Watt Speakers 980-000942
- Audio output channels: 2.1 channels.
- RMS Rated Power: 7W
- Recommended use: PC.
- THD, total harmonic distortion: 10%.
- RMS power of satellite speakers: 1.5 W.
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- Audio output channels: 2.1 channels.
- RMS Rated Power: 7W
- Recommended use: PC.
- THD, total harmonic distortion: 10%.
- RMS power of satellite speakers: 1.5 W.
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Logitech Z213 multimedia speakers offer 2.1 channel audio output with a rated RMS power of 7 watts. They are recommended for use with PCs, with a THD, total harmonic distortion of 10%. Satellite speakers have an RMS power of 1.5 watts, a frequency range of 65-20,000 Hz, and an impedance of 4 ohms. The subwoofer has an RMS power of 4 watts, a frequency range of 65-20000 Hz, and an impedance of 4 ohms. It is powered by alternating current and has a type C plug. Manufactured by logitech, with reference 980-000942.
Specifications
- Audio output channels: 2.1 channels.
- RMS Rated Power: 7W
- Recommended use: PC.
- THD, total harmonic distortion: 10%.
- RMS power of satellite speakers: 1.5 W.
- Subwoofer RMS Power: 4W
- Subwoofer frequency range: 65 - 20000 Hz.
- Subwoofer Impedance: 4Ω
- Power source: Alternating current.
- Plug Type: Type C
- Colour: Black
- High-quality sound technology
- Gross Weight: 10 g
- Number of packages: 1
Technical terms
- Impedance
- Hz
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
