Company Advantages1. No other home theater amplifier is able to be commensurate with our pro audio amplifier.
2. home theater amplifier is designed flexibly to make sure it is suitable to everyone.
3. This product can be used for a long time. Customers who often use it to hold food for three years praised that it still looks like the brand new one.
4. As an added convenience, it can be cleaned in a dishwasher to save much labor effort. Hence, people have no need to spend much time doing the dish cleaning job.




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. With strong support of customers from around the world, Guangzhou KAIXU Audio Equipment Co., Ltd is a professional supplier in home theater amplifier area.
2. Guangzhou KAIXU Audio Equipment Co., Ltd has advanced technology, advanced production equipment, and experienced technicians.
3. KaiXu strives to be a leading sound amplifier manufacturer. Inquire online! Customer satisfication is one of the most factors that contribute to the popularity of KaiXu. Inquire online! Guangzhou KAIXU Audio Equipment Co., Ltd has been holding the attitude that putting customers first during the business is important. Inquire online!