4 канальный усилитель мощности для продажи 500 Вт караоке микшер громкой связи школы магазина домашнего театра
- Категория: >>>
- Поставщик: Guangzhou Kusheng Audio Co. Ltd.
Сохранить в закладки 1601264709830:
Описание и отзывы
Характеристики
Features:
● Standard chassis design with a 2U aluminum alloy panel and a user-friendly handle design, which is both aesthetically pleasing and practical.
● Four audio input channels, including 2 standard line signals and 2 standard microphone signals.
● Each input's volume can be independently controlled, and a two-band parametric equalizer improves sound quality.
● MIC1 has the highest priority, with automatic muting when a signal is detected, and comes with muting adjustment features.
● Professional noise gate control of output signals ensures silent background music.
● Safe operation protection for line working areas ensures safe operation under short-circuit, overload, or other adverse
conditions.
● Peak negative feedback protection effectively prevents signal and line voltage distortion or overvoltage in any load environment.
● Equipped with self-excitation, overheating, short-circuit, overcurrent, overload, and power-on/off impact protection, along with LED warnings.
● Standard chassis design with a 2U aluminum alloy panel and a user-friendly handle design, which is both aesthetically pleasing and practical.
● Four audio input channels, including 2 standard line signals and 2 standard microphone signals.
● Each input's volume can be independently controlled, and a two-band parametric equalizer improves sound quality.
● MIC1 has the highest priority, with automatic muting when a signal is detected, and comes with muting adjustment features.
● Professional noise gate control of output signals ensures silent background music.
● Safe operation protection for line working areas ensures safe operation under short-circuit, overload, or other adverse
conditions.
● Peak negative feedback protection effectively prevents signal and line voltage distortion or overvoltage in any load environment.
● Equipped with self-excitation, overheating, short-circuit, overcurrent, overload, and power-on/off impact protection, along with LED warnings.
Specifications | ||
Rated Power | 500W | |
Output Options | 70V, 100V, 4-16Ω | |
Microphone Input Sensitivity & Impedance | 8mV/600Ω, unbalanced TS terminal input | |
Line Input Sensitivity & Impedance | 250mV/10KΩ, unbalanced RCA terminal input | |
Line Output Sensitivity & Impedance | 1V/600Ω, unbalanced RCA terminal output | |
Tone Control (Bass) | ±10dB at 100Hz | |
Tone Control (Treble) | ±10dB at 10KHz | |
Frequency Response | 60Hz-18KHz (±2dB) | |
Signal-to-Noise Ratio | MIC: >68dB; AUX: >82dB | |
Total Harmonic Distortion | 0.1% at 1KHz, 1/3 output power | |
Mute Adjustment | 0-38dB | |
Channel Crosstalk Attenuation | ≤50dB | |
Cooling | Forced air cooling from front to back, internal fan at 55°C heatsink | |
Protection | Overheat, overload, and short-circuit protection | |
Power Supply | AC220V/50Hz | |
Power Consumption | 10-650W | |
FAQ
Q1:What is our warranty for your products ?
We have three-year warranty of our product.
Q2:If I need a sample, how can I get it ?
If you need some samples to test,we can make as per your request .You should pay for the transportation freight of samples and oursamples cost, Samples cost could be refundable after you place the order.
Q3:Can I print my logo on the product?
Yes.If you need,please inform us formally before our production and confirm the design firstly based on our sample.
Q4:What about the quality of the products?
We are ensure 100% quality of product before ship to customers. we check and test every products one by one
Q5:How about the delivery time?
For sample: 10-15 days
For order: 30-45 days
We have three-year warranty of our product.
Q2:If I need a sample, how can I get it ?
If you need some samples to test,we can make as per your request .You should pay for the transportation freight of samples and oursamples cost, Samples cost could be refundable after you place the order.
Q3:Can I print my logo on the product?
Yes.If you need,please inform us formally before our production and confirm the design firstly based on our sample.
Q4:What about the quality of the products?
We are ensure 100% quality of product before ship to customers. we check and test every products one by one
Q5:How about the delivery time?
For sample: 10-15 days
For order: 30-45 days
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