Company Advantages1. The design of KaiXu pro audio amplifier involves many considerations. They include the fabrication process, assembly precisions, the need for post-processing, and the overall aesthetics.
2. The product is strong enough to protect goods from environmental and physical hazards that this prodcut will be faced with during transport and storage.
3. The main benefit of this product is that it offers convenience for people since it enables the portability of devices.
4. Operators can deepen their knowledge of machine operation by using this product, which helps them accumulate technical know-how and become an important role in machine operation.




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 Feature

PA1.3 Series is a high power, clear sound and low bass booster for subs.A new class AB desigin,through a bridge mode.lift GND even it was bridge.
Stable performance /precise workmanship. specialized system protection circuit, comprehensive safe,reliable & accurate such as short circuit protect,over load protect,DC protect(inrush audio peak) limiter soft start,High temp protect,HF protect, Back-EMF protect etc.
Product Parameter
Model | PA1.3 |
damping factor | ≥620 |
frequency response | 20HZ-20KHZ,±0.1dB |
THD+N | ≤0.01%,1/3Rate Power@8Ω1KHZ |
IMD | ≤0.01%,1/3Rate Power@8Ω |
Input sensitivity | 0.775V\1.0V\1.55V |
Input Impedance | 10KΩ/20KΩ(Unbalance/Balance) |
input CMRR | ≤75dB |
Cross talk | ≤70dB |
LED Indicator | SIGNAL,PROTECT,ACTIVE,CLIP/LIMITING |
Main power supply | 230V@50HZ,FUSE:T25A |
power consumption | 4400W |
q’ty20”,40”,40”HC(pcs) | 400/800/970 |
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 undoubtedly a top company in home amplifier field.
2. Guangzhou KAIXU Audio Equipment Co., Ltd has strong technical force, modern production equipment and scientific manufacturing process.
3. Guangzhou KAIXU Audio Equipment Co., Ltd persists in the pro audio amplifier service concept. Get an offer! pa amplifiers has become the perpetual pursuit of Guangzhou KAIXU Audio Equipment Co., Ltd to improve himself. Get an offer!