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audio home audio power amplifier professional for classroom

audio home audio power amplifier professional for classroom

Place of Origin
Guangzhou China
Bank transfer/TT
Start Port
Nan Sha
Delivery Time
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Product Details
adheres to the principle of 'details determine success or failure' and pays great attention to the details of stereo power amplifier.
Product Comparison
Compared with other products in the same category, power amplifier produced by has the following advantages.
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Company Advantages
1. KaiXu has found a fine balance between the utilitarian side of audio power amplifier and a cute outlook.
2. The product is of premium quality as we have done careful inspection and documentation before it comes into the market.
3. Good environment of production zone and workshop is one of the conditions for improving the audio power amplifier quality.
4. Guangzhou KAIXU Audio Equipment Co., Ltd delivers high quality audio power amplifier and services while ensuring margins.
Product Display

Product Details

High Quality Capacitance
The power amplifier uses a large capacity to ensure sufficient energy during high power operation,high quality and long life.
TOSHIBA Powerful Amplifier Tubes
High Performance and high power amplifer tube makes the voice vibrant and dynamic.
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.
Excellent Cooling Fan
Ensure that the heat is dissipated and that the amplifier is cooled to prevent if from overheating.

Product Parameter

Stereo power8Ω465W*2650W*2850W*21050w*21300W*21500W*21800W*2
Stereo power4Ω700w*21000W*21250W*21650W*22050W*22400w*22800W*2
Stereo power2Ω910W*21300W*21625W*22145W*22665W*23120W*236040W*2
Bridge Mono Power 8Ω1400W*22000W*22500W*23300W*24000W*24800W*25600W*2
Bridge Mono Power 4Ω1820W*22600W*23250W*24290W*25200W*26240W*27280W*2
Sigal To Noise≥120dB≥115dB≥112dB≥110dB≥110dB≥110dB≥110dB
Damping Factor≥800≥550≥500≥500≥550≥800≥800
Frequency response20HZ-20KHZ,±0.5dB
Input Sensitivity1V/0dB,Balance
Input Impedance10KΩ/20KΩ(Unbalance/Balance)
Cross talk≥75dB≥78dB≥80dB≥85dB≥88dB≥88dB≥90dB
Net /Gross Weight(kg)19/2121/2323/2533/3534/3634/3737/39
Install size(mm)483W*445D*89H483W*488D*133H


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 Features
1. Guangzhou KAIXU Audio Equipment Co., Ltd is a state-owned backbone enterprise in audio power amplifier industry.
2. KaiXu has introduced highly delicate technology to making sure the quality of speaker amplifier .
3. Guangzhou KAIXU Audio Equipment Co., Ltd persists in the home audio power amplifier service concept. Ask! The service concept of Guangzhou KAIXU Audio Equipment Co., Ltd has always been best home stereo amplifier . Ask! Inovation will be the leading power for our stereo amplifier . Ask!
Trade Shows



Are you Manufacturer ?
-Yes, we are audio products’ manufacturer located in Guangzhou, China.
Warmly welcome to visit our factory and showroom.
Can I purchase only 1 pc as sample at first ?
-We can offer you one sample for testing. And the sample fee and shipment cost will be paid by yours.
Do you accept the OEM or Custom Design order?
-We accept OEM / ODM orders.
What is your lead time?
-1 to 5 days for sample. 7 to 25 days for large batch order.
What’s your payment term?
-Western Union,TT & L/C, 30% deposit in advance, 70% balance before shipment.
Do you have any certification for your products?


How is my privacy protected?
-Your privacy is important to us. We can sign the NDA with you.


Do you have any service after sales?
-Of Course. Please contact us first, we will get the feedback from yours and make an accessment report.

 Then,we will send the replacement to you based on the accessment report.

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