Company Advantages1. The material of KaiXu professional audio amplifier is not only superior but also high quality with great durability. Its lightweight design makes it convenient for movement and installation
2. The product has undergone a comprehensive quality check before shipment. Featuring large capacitance, it can work under high power condition
3. The strict internal quality control system guarantees the product to reach the international standards. The product is widely applied in KTV and multimedia halls
4. The product has won a lot of praises by serving customers well in the industry. It's compatible with a wide range of devices such as USB cables and phones




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. As a top producer for transistor amplifier, Guangzhou KAIXU Audio Equipment Co., Ltd is high active in this field.
2. The strong R&D team guarantees the high-quality products of KaiXu Audio Equipment.
3. Guangzhou KAIXU Audio Equipment Co., Ltd is always working to provide quality experiences for our customers. Welcome to visit our factory!