Company Advantages1. The design of KSA professional power amplifier for sale resorts to various high techs in the shoemaking industry. They are mainly CAD graphic making, CAM, and digital molding techniques.
2. The product, meeting with the strict quality standards, has a long service life.
3. Reliable testing instruments are applied to test the product to ensure it is of the reliable quality and can perform well.
4. Guangzhou KAIXU Audio Equipment Co., Ltd has mature and stable production process and quality control system.




ES series power amplifier adopts advanced class H final output power amplifier circuit, combined with toroidal transformer power supply, it is a safe and stable, wide frequency response, low distortion, high fidelity high-end professional pure final stage power amplifier, suitable for sound quality and A place where sound reproduction is required to be high.
Product Parameter
Stereo Power | 8Ω 650W*2; 4Ω 1000W*2; 2Ω 1500W*2 |
Bridge Mono Power | 8Ω 2000W 4Ω 3000W |
Signal to Noise | ≥115dB |
Slew Rate | 90V/uS |
Damping Factor | ≥280 |
Frequency Response | 20Hz-20KHz, ±0.5dB |
Total Harmonic Distortion (THD+N) | ≤0.5%, 1KHz, 1/3 Rrte Power, 8Ω |
Transient Intermodulation Distortion (IMD) | ≤0.1%, 1KHz, 1/3 Rrte Power, 8Ω |
Cross Talk | ≥78dB |
Input Sensitivity | 1V/0dB, BALANCE |
Input Impedance | 10KΩ, BALANCE/20KΩ, UNBALANCE |
LED Indicator | ACTIVE, SIGNAL(-40dB), CLIP(PEAK), PROTECTION |
Net Weight | 21kg |
Gross Weight | 22.5kg |
Install Size | 483W*378D*88H |
ES Series Power Is | 465W/650W/850W/1050W/1350W/1500W/1800W |
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 becomes the preferred choice for most of Chinese customers. We specialize in the production of professional power amplifier for sale .
2. Our factory location is close to both suppliers and customers. This helps minimize shipping costs, both for raw materials coming into the plant and for finished goods going out.
3. We have been dedicating to producing more environmental-friendly products. Base on this mindset, we will seek more approaches to recycle and reuse materials that pose no negative impact on our environment. We are committed to limiting the environmental impact of our activities. To ensure a high level of environmental safety and prevent pollution, our operational directives are based on the most stringent global standards. Our company bears social responsibility. We strive to minimize waste generation through a dozen waste reduction initiatives. Many of our production lines have achieved 0 waste generation. We believe that the more inclusive we are, the better our work will be. We are committed to building an inclusive and diverse team representing all backgrounds, with as wide a range of perspectives as possible, and harnessing industry-leading skills.