https://cablematic.com/en/products/wall-speaker-with-adjustable-stand-2-5-20-w-8-ohm-4-white-KN071/
Wall speaker with adjustable stand 2-5-20 W 8 Ohm 4" white
- White wall speaker, with support that allows the orientation of the speaker. Very careful design, whiteor, and great sound quality.
- It has a potentiometer to configure the power and characteristics of the connection. It adapts to any amplifier.
- Configurable power: 2.5, 5, 10 and 20 W. Configurable line input: 70 and 100 V. Impedance of 8 Ohm. Sensitivity (1m, 1W): 89 ± 3dB. Response frequency: 100-20 kHz.
- Made of high quality ABS plastic. It incorporates 4 "speaker. Weight: 2 Kg.
- Speaker size (without the support): 135 x 120 x 220 mm.
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- White wall speaker, with support that allows the orientation of the speaker. Very careful design, whiteor, and great sound quality.
- It has a potentiometer to configure the power and characteristics of the connection. It adapts to any amplifier.
- Configurable power: 2.5, 5, 10 and 20 W. Configurable line input: 70 and 100 V. Impedance of 8 Ohm. Sensitivity (1m, 1W): 89 ± 3dB. Response frequency: 100-20 kHz.
- Made of high quality ABS plastic. It incorporates 4 "speaker. Weight: 2 Kg.
- Speaker size (without the support): 135 x 120 x 220 mm.
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White wall speaker, with support that allows the orientation of the speaker. Very careful design, white color, and great sound quality. It has a potentiometer to configure the characteristics of the connection, so it adapts to any amplifier.
Specifications
- White wall speaker, with support that allows the orientation of the speaker. Very careful design, whiteor, and great sound quality.
- It has a potentiometer to configure the power and characteristics of the connection. It adapts to any amplifier.
- Configurable power: 2.5, 5, 10 and 20 W. Configurable line input: 70 and 100 V. Impedance of 8 Ohm. Sensitivity (1m, 1W): 89 ± 3dB. Response frequency: 100-20 kHz.
- Made of high quality ABS plastic. It incorporates 4 "speaker. Weight: 2 Kg.
- Speaker size (without the support): 135 x 120 x 220 mm.
- Gross Weight: 1.79 kg
- Product size (width x depth x height): 13.5 x 12.0 x 22.0 cm
- Number of packages: 1
- Packages size: 25.0 x 16.0 x 13.5 cm
Technical terms
- Impedance
- Hz
- ABS
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.
