| Specification |
Type: PA Amplifier;
Usage: Public Address System;
Used For: Professional;
Tube Type: Transistor Amplifier;
Function: PA Amplifier;
Sound Channel: 2.1;
Output Number: 8;
Voltage: AC 110V;
Element Number: Push-Pull Amplifier;
Conductive Mode: D;
Place of Origin: Guangzhou, Cn;
Brand Name: Qqchinapa;
Use: Hotel, School, Airport, Departmen, Church;
Protetion: High Temp, Overload&Short-C;
Factory History: More Than 10 Years;
Warranty: 3 Years;
Factory Ability: OEM ODM;
Delivery Time: 2-20 Days;
Factory Place: Guangzhou;
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Type: Professional Amplifier;
Usage: Hi-Fi, AV, KTV System, Stage;
Used For: Professional;
Tube Type: Transistor Amplifier;
Function: Post Amplifier, Amplifier Combined, Pre-amplifier;
Sound Channel: 4CH;
Output Number: 4CH;
Voltage: 110V or 220V;
Element Number: Monoamplifier;
Conductive Mode: Td;
Product Name: Power Amplifier;
Class: Td Switching Power Amplifier;
Channel: 4 Channel;
Frequency Response: 20 Hz - 34 kHz;
8 Ohm Stereo Power  (RMS): 2500wx4CH;
4 Ohm Stereo Power  (RMS): 4650wx4CH;
Signal-to-Noise Ratio: >112 Dba;
Feature: 3600UF 200V Capacitor/New Cooling System;
Application: Commercial, Professional Performance;
Certificates: CE, RoHS;
Warranty: Three Years;
Service: OEM ODM Support ; After-Sale Service;
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Type: Professional Amplifier;
Usage: Hi-Fi, AV, KTV System, Stage;
Used For: Professional;
Tube Type: Transistor Amplifier;
Function: Post Amplifier, Amplifier Combined, Pre-amplifier;
Sound Channel: 4.1;
Output Number: 4;
Voltage: 110V or 220V;
Element Number: Monoamplifier;
Conductive Mode: D;
Amplifier Type: 1u Digital Amplifier;
Product Name: K4-1700 Power Amplifier;
Class: Class D Power Amplifier;
Channel: 4 Channel;
Output Power 2Ω: 3800wx4CH;
Output Power 4Ω: 2800wx4CH;
Output Power 8Ω: 1700wx4CH;
Feature: 2 Ohms Stable Amplifier;
Frequency Response: 20 Hz - 20 kHz;
Application: Commercial, Professional Performance;
Certificates: CE, RoHS;
Warranty: Three Years;
Service: OEM ODM Support ;After-Sale Service;
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Used For: Professional;
Sound Channel: 2.1;
Output Number: 2;
Voltage: DC 48V;
Sampling: 48K@24bit;
Phantom Power: DC 48V;
Frequency Response: 20Hz-20kHz, ±0.7;
Thd+N: ≤0.005%@1K, ±0.7;
Input/Output Impedance(Balance-Type): 20K Ohm/100 Ohm;
Ein(a-Weighted): <-126dbu;
Channel Isolation: 100dB@1kHz;
Common Mode Rejection (Cmr): 80dB@80Hz;
Max. Input/Output Level: 8dbu/12dbu;
Background Noise: -93dbu;
System Delay: <3ms;
Operating Power Supply: Poe;
Operating Temperature: 0-40c;
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Used For: Professional;
Voltage: AC 220V,50/60Hz;
Transmission Rate: 10/100/1000Mbps;
Communication Mode: Full-Duplex & Half-Duplex;
Poe Port Power: 30W;
Bandwidth: 20gbps;
Address Database Size: 4K;
Ports: 8;
Total Power: 121W;
Power Input: AC220V 50/60Hz;
Working Temperature: 0-40c;
Dimension: 294 X 180 X 44mm;
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