Company Advantages1. KSA stereo amplifier is manufactured after countless technology improvements.
2. The product is highly chemical resistant. It is treated with a protective chemical coating or with protective paintwork to prevent corrosion.
3. [企业简称] has professional design team, advanced production equipment and excellent engineering team. Our stereo amplifier is excellent in quality and stable in performance and is in line with international standards.




Product Details
NO.1
High Quality Capacitance
The power amplifier uses a large capacity to ensure sufficient energy during high power operation,high quality and long life.
NO.2
TOSHIBA Powerful Amplifier Tubes
High Performance and high power amplifer tube makes the voice vibrant and dynamic.
NO.3
Pure Aluminum Heat Sink
Large aluminum heat sink can effectively transfer the heat generated by the power amplifier in time,and the heat dissipation is fast and the effect is good.
NO.4
Excellent Cooling Fan
Ensure that the heat is dissipated and that the amplifier is cooled to prevent if from overheating.
Product Parameter
MODEL | ES-450 | ES-650 | ES-850 | ES-1050 | ES-1350 | ES-1500 | ES-1800 |
Stereo power8Ω | 465W*2 | 650W*2 | 850W*2 | 1050w*2 | 1300W*2 | 1500W*2 | 1800W*2 |
Stereo power4Ω | 700w*2 | 1000W*2 | 1250W*2 | 1650W*2 | 2050W*2 | 2400w*2 | 2800W*2 |
Stereo power2Ω | 910W*2 | 1300W*2 | 1625W*2 | 2145W*2 | 2665W*2 | 3120W*2 | 36040W*2 |
Bridge Mono Power 8Ω | 1400W*2 | 2000W*2 | 2500W*2 | 3300W*2 | 4000W*2 | 4800W*2 | 5600W*2 |
Bridge Mono Power 4Ω | 1820W*2 | 2600W*2 | 3250W*2 | 4290W*2 | 5200W*2 | 6240W*2 | 7280W*2 |
Sigal To Noise | ≥120dB | ≥115dB | ≥112dB | ≥110dB | ≥110dB | ≥110dB | ≥110dB |
Damping Factor | ≥800 | ≥550 | ≥500 | ≥500 | ≥550 | ≥800 | ≥800 |
Frequency response | 20HZ-20KHZ,±0.5dB |
Input Sensitivity | 1V/0dB,Balance |
Input Impedance | 10KΩ/20KΩ(Unbalance/Balance) |
Cross talk | ≥75dB | ≥78dB | ≥80dB | ≥85dB | ≥88dB | ≥88dB | ≥90dB |
Net /Gross Weight(kg) | 19/21 | 21/23 | 23/25 | 33/35 | 34/36 | 34/37 | 37/39 |
Install size(mm) | 483W*445D*89H | 483W*488D*133H |
Certificate
Packing & Shipping
We support both OEM & ODM packaging. Our normally delivery method are by the sea, by air, by international express (DHL, UPS, TNT, FedEx)

Company Features1. We are experienced in manufacturing stereo amplifier .
2. There's a rigorous and complete quality management system to guarantee the quality of class e power amplifier .
3. We conduct sustainability during our operation. We constantly seek new methods to minimize the ecological impact of our products and processes during manufacture. We conduct our business in line with the highest ethical and operational standards. We focus on activities that deliver added value to partners and customers. We are now taking steps to advance our sustainability performance in a more impactful way. We exploit and innovate new sustainability opportunities, such as low carbon fuels, energy sources, and the circular economy.