Company Advantages1. KaiXu class e power amplifier is manufactured by using the high quality raw materials. These high performance and well-selected raw materials are bound to highlight the value of this product.
2. Moisture resistance is one of the most significant features of this product which guarantees high quality and maximum durability. It resists the damaging action of water to some extent.
3. KaiXu Audio Equipment has corresponding R&D institutions in many regions of the country.
4. live power amplifier plays a vital role in maintaining the quality of class e power amplifier .




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. Guangzhou KAIXU Audio Equipment Co., Ltd is regarded as a specialist in the class e power amplifier industry.
2. Guangzhou KAIXU Audio Equipment Co., Ltd has a complete and scientific quality management system.
3. We make sure that all our orders meet the highest standards and are delivered on time. This dedication has helped us maintain our reputation of delivering quality products within due time. No matter how big or small the project, we have always upheld our promise to customers. Ask! The company is regarded as a good citizen. We assume our social responsibility no matter in the production process or in marketing activities. We devote to help the community grow via beneficial products and services such as protecting the mother river. Ask! From our quality controls to the relationships we have with our suppliers, we are committed to responsible, sustainable practices extending to every facet of our business. Ask!