1800 Watts Professional High Power Audio Amplifier DJ Equipment for 18 Inch Subwoofer
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Product Highlights
- Class H Circuit Design: Reduces power consumption by 40%, lowering system heating and product weight.
- High Fidelity Sound: High slew rate and damping factor ensure clear highs and strong low-frequency control.
- OEM/ODM Customization: Accepts OEM orders and supports customization from samples, designs, or full customization.
- Multi-Scenario Application: Suitable for KTV, conference rooms, multi-function halls, bars, and theaters.
- High Signal-to-Noise Ratio: Features a signal-to-noise ratio up to 108dB for better sound fidelity.
- Professional Quality Control: Strict QC from raw materials to QA, ensuring superior materials and consistency.
Product Attributes
- Customization
- Available
- Sound Channel
- 2.1
- Amplifier Protection
- DC/Short/Temp/VHF/Limit/Softstar
- Model NO.
- CA18
- Input Connectors
- 3 Pin-XLR/RCA/Trs
- Signal Noise
- 108dB
- Input Sensitivity
- 0.775V, 1.0V, 1.5V
- Indicators
- Actect, Protect, Signal, Clip
- Customized
- OEM, ODM
- Output Channel
- 2
- Transistor
- 21193/21194
- Transport Package
- Dual Durable Carton
- Specification
- CE
- Trademark
- Ruizheng Audio
- Origin
- Made in China
- HS Code
- 851840009
- Production Capacity
- 2000 PCS/Month
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Product Description
Feature:
1. With high Slew Rate, strong ability to restore the details to get more clear and delicate high-frequency performance.
2. With high Damping Factor, strong low-frequency control force to make a strong low-frequency straight extension.
3. The high value of signal to noise ratio, to make sure get a better sound with high fidelity.
4. The new circuit design, adopts the SMT surface mount technology, to improve the consistency and efficiency of the machine.
5. H(Class H) circuit design, advanced power supply technology to reduce the overall power consumption by 40%, reducing the system heating and the weight of the product.
6. Suitable for: KTV, conference room, multi-function hall, bar and theater.
| Model | CA4 | CA6 | CA9 | CA12 | CA18 | CA20 | CA80 | |
| 8Ω Stereo Mode Output | 300W | 450W | 600W | 800W | 1000W | 1300W | 1500W | |
| 4Ω Stereo Mode Output | 450W | 600W | 900W | 1200W | 1800W | 2600W | 3000W | |
| 2Ω Stereo Mode Output | --- | 900W | 1100W | 1400W | 3600W | 5200W | 6000W | |
| 8ΩBridge Mode Output | 700W | 1200W | 1800W | 2000W | 1800W | 2600W | 3000W | |
| 4ΩBridge Mode Output | --- | 1400W | 2000W | 2400W | 3600W | 5200W | 6000W | |
| Signal/noise | 103dB | 105dB | 105dB | 106dB | 106dB | 108dB | 108dB | |
| Slew rate | >60v/us | |||||||
| Damping factor | >400 | |||||||
| Frequency Response | +/-0.1dB, 20Hz+20KHz | |||||||
| THD | ≤0.01%Rated Power@8Ω 1KHZ | |||||||
| IMD | ≤0.03%Rated Power@8Ω | |||||||
| Input Sensitivity | 0.775V,1.0V,1.5V | |||||||
| Input Impedance | 10K/20K | |||||||
| Input CMRR | ≤-75dB | |||||||
| Crosstalk | ≤-70dB | |||||||
| Indicate | Actect , Protect, Signal, Clip | |||||||
| power supply | 230V 50/60Hz | |||||||
| Weight | 15Kg | 18Kg | 24Kg | 25Kg | 39Kg | 42Kg | 43Kg | |
| size | 483W X 408D X 88H | 483W X 468D X 88H | 483W X 520D X 133H | |||||

Why choose us:
1.We are professional audio factory, so we can offer you a preferentia price to you.
2.We has always attached great importance to quality control since we know that quality is of vital
importance to the sustainable development of our company. We have a well-trained professional
quality control team who carries out the strictest quality control methods from raw materials incoming,
online inspection, out inspection and QA.
3.we focus on middle and high-end items and ensure every product made by the the superior material.
we have strict quality control system to avoid quality problems.
4.There are many types you can choose ,if you have you own designed idea,we also accept the OEM
order


FAQ
1.Q:When your company established?
Our company established on 2011,Rely on good quality and customer high praise,our company isdeveloping quickly over the years.
2.Q:Where is your main market?
Our audio products made in China and are sold to all over the world,committed to meet needs of different national and regional customers.
About Payment
3.Q:What's your payment term?
A:For the sample order,we accept T/T and Western Unions.But for the Batch order,we support payment terms by T/T 30% deposit in advance,balance 70% before shipment.
About sample
4.Q:How can I order a sample?
A:If you need some samples to test,we can make as per your request.You should pay for the sample cost and the transportation freight,while the samples cost can be refundable after you place bulk order.
5.Q.:How many days do you cost to prepare the sample?
A:We need 2-5 days for normal sample,10-15 days for the sample required OEM,and then will be sent via DHL/Fedex or other express.
6.Q:Can you do OEM/ODM for customers?
A:Sure, OEM/ODM are welcome.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2411751". Items marked "" are certified.
Company Profile
Founded in 2011, ruizheng audio is designing and distributing amplifier, speakers, speaker system under the AiMEEK brand name, they also supply OEM/ODM components to many of the professional audio brands in the market today.
Ruizheng amplifiers primary line consists of AB class and D class, H class, switch power class. We supply range from 300W to 1500W @ 8ohm, 2 channel/3channel/4 channel/6channel/8channel.
Ruizheng Speakers primary line consists of high frequency drivers and coaxial components, and cone drivers. We have made a strong commitment to provide a well-balanced line of Low Frequency drivers that range from 6.5" to 24", as well as a very complete line of High Frequency drivers. Our engineers have optimized each design with CLIO software to ensure each design operates to its fullest potential time and time again. From nightclubs, to stadiums, to concert halls around the world, our products are chosen based on their reliability, consistency and most of all for their outstanding sound quality.
Company management, sales, accounting, and research and development activities are performed in this building. Ruizheng supply a premium product that offers excellent value to the consumer.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Room 402, Building 2, Jimeizhi Garden, No. 9 Xinkai Road, Wusha Community, Daliang Street, Shunde District, Foshan City
-
Plant Area
- 2916 square meters
-
Number of Employees
- 30
-
Registered Capital
- 500,000 RMB
-
Terms of Payment
- T/T, LC, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, EXW, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou Port, Shenzhen Port
-
Minimum Order Quantity
- 100 Pcs
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
-
Main Products
- Limiting Amplifier, Speaker, Limiting Amplifier Part, Speaker Part
-
Production Lines
- 3
-
Production Machines
- Audio Generator, Oscilloscope, Voltmeter
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2023-09-19
-
Export Year
- 1 Year
-
Main Markets
- South Asia
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the warranty period?
- The product description does not specify a warranty period.
- What is the minimum order quantity?
- The minimum order quantity is 100 pieces.
- What are the payment terms?
- For samples, T/T and Western Union are accepted. For batch orders, 30% deposit in advance and 70% balance before shipment via T/T.
- How long does it take to prepare samples?
- Normal samples take 2-5 days, while OEM samples take 10-15 days.
- Does the supplier offer OEM/ODM services?
- Yes, OEM and ODM services are welcome, and customization from samples, designs, or full customization is available.
- What is the average lead time for production?
- The peak season lead time is one month, and the off-season lead time is within 15 workdays.
- What is the signal-to-noise ratio?
- The signal-to-noise ratio ranges from 103dB to 108dB depending on the model.
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