Company Advantages1. All manufacturing processes and test procedures of KSA cheap power amplifier are strictly overseen by our professional workers who are equipped with the know-how for the sanitary ware industry.
2. With advantage in cheap power amplifier , subwoofer power amplifier can be widely applicable to best home audio amplifier .
3. The product has been subjected to close inspection on various quality parameters.
4. Seen from the long run, the product is quite a safe choice for people. They will not be exposed to any electromagnetic radiation or electric leakage problems.
5. The product increases the efficiency and dedication of workers because only little joules of their energies are lost when working.




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. KSA has made great achievements in the cheap power amplifier industry.
2. Our plant is equipped with numbers of high specification state-of-the-art production machine. Their ability of automated loading and unloading coupled with in-line inspection eliminates the need for human intervention and speeds up the production process.
3. We take environmental and energy-related problems into our consideration as early as the planning and development phases. In terms of water consumption, waste management, and energy conservation, we are working hard to achieve progress. In every stage of our operation, we constantly maintain strict environmental and sustainability standards to minimize our production waste and pollution. Considering the environmental and resources issues, we implement an efficient program to conserve water, minimize wastewater discharges to sewers or rivers, and fully utilize the resources. We hold ourselves to high ethical standards, unwaveringly refusing any illegal or vicious business activities. They include malicious slander, bidding up prices, stealing patents from other companies, etc.