https://cablematic.com/en/products/professional-sound-amplifier-150w-110v-5-zones-with-fm-mp3-aux-mic-rack-KN054/
Professional sound amplifier 150W 110V 5 zones with FM MP3 AUX MIC rack
- Compact amplifier for sounding public spaces, companies, businesses, schools, etc.
- Model with support of two microphones, two inputs to auxiliary lines, FM radio and MP3 player.
- Operative based on microphone priority. Applies MUTE function to the other channels when the microphone is used.
- It has 5 speaker output lines that are controlled by push buttons. It is possible to activar/deactivate each of the lines separately.
- One volume control for all speaker lines.
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- Compact amplifier for sounding public spaces, companies, businesses, schools, etc.
- Model with support of two microphones, two inputs to auxiliary lines, FM radio and MP3 player.
- Operative based on microphone priority. Applies MUTE function to the other channels when the microphone is used.
- It has 5 speaker output lines that are controlled by push buttons. It is possible to activar/deactivate each of the lines separately.
- One volume control for all speaker lines.
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Amplifier specially designed for ambient sound, professional sounds of public spaces, for offices, shops, shops, and in those places where you want to listen to music or acoustic messages. Ideal for professional voicing of spaces, buildings, companies, etc. Consult our range of professional loudspeaker speakers, to combine them with this amplifier.
Specifications
- Compact amplifier for sounding public spaces, companies, businesses, schools, etc.
- Model with support of two microphones, two inputs to auxiliary lines, FM radio and MP3 player.
- Operative based on microphone priority. Applies MUTE function to the other channels when the microphone is used.
- It has 5 speaker output lines that are controlled by push buttons. It is possible to activar/deactivate each of the lines separately.
- One volume control for all speaker lines.
- Two types of speaker connection: 4-16 Ohms, 70 V and 110 V.
- Output power to speakers: 150 W.
- Response frequency: 40 Hz - 18 kHz.
- It is directly connected to the 220 VAC power network (50-60 Hz).
- Mounted in metal housing.
- Rack format 19 "of 1.5UTall. With protective front grips.
- Size: 482 x 300 x 66 mm.
- Weight: 5 Kg.
Controls
- Switch ON/OFF.
- Volume adjustment potentiometer MASTER.
- BASS and TREBLE level adjustment potentiometer.
- Volume adjustment potentiometer MP3.
- Potentiometer for volume adjustment AUX1 and AUX2.
- Volume adjustment potentiometer MIC1 and MIC2.
- Zone activated button: SP1, SP2, SP3, SP4 and PS5.
Connections
- Output for 5 loudspeaker lines 110 V (5 x terminals).
- Output for 70 V loudspeaker line (terminals).
- Output for 8 Ohms speaker line (terminals).
- Auxiliary line input (2 x RCA female).
- Input microphones (2 x jack 6.3 "female).
- Auxiliary line output (2 xRCA female).
- FM antenna connection.
- USB connector for playing MP3 sound (A-female and mini USB-5pin-female).
- Slot for SD cards for MP3 sound reproduction.
- Gross Weight: 6.0 kg
- Product size (width x depth x height): 48.0 x 30.0 x 6.5 cm
- Number of packages: 1
- Packages size: 51.0 x 35.0 x 12.5 cm
Technical terms
- Impedance
- USB
- RACK 19
- MicroUSB
- Mini USB
- Hz
- USB 3.0
- SD, MiniSD, MicroSD
- Reversible USB Type-C
- RCA
- Rack unit (U)
- VAC
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.
