Lba-280 Speaker Sound Amplifier 280W
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Product Highlights
- High Power Output: Rated power of 280W with D-conductive mode for professional audio systems.
- Flexible Input/Output: Features 3 mic inputs, 2 aux inputs, 1 aux output, and transformer isolated speaker outputs.
- Visual Level Monitoring: Equipped with a five-element LED level meter for quick sound level monitoring.
- Advanced Tone Control: Includes individual volume control and low/high tone adjustment for precise audio tuning.
- Comprehensive Protection: Features short circuit protection with alarm and muting function for safe operation.
- Wide Voltage Compatibility: Supports AC 110V line voltage with 70-100V transformer isolated outputs.
- Professional Certification: Certified with CE, FCC, RoHS, and CB standards for global market compliance.
- Flexible Customization: Offers full customization, minor customization, and OEM/ODM services available.
Product Attributes
- Customization
- Available
- Type
- Professional Amplifier
- Usage
- Hi-Fi, AV, KTV System
- Model NO.
- LBA-280
- Used For
- Professional
- Tube Type
- Transistor Amplifier
- Function
- Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel
- 2.1
- Output Number
- 4
- Voltage
- AC 110V
- Element Number
- Push-Pull Amplifier
- Conductive Mode
- D
- Rated Power
- 280W
- Gross Weigh
- 13.1kg
- Fuse
- F5al
- Place of Origin
- Guangzhou, Cn
- Brand Name
- Qqchinapa
- Use
- Hotel, School, Airport, Departmen
- Certificate
- CE, FCC, RoHS, CB
- Warranty3years
- 3years
- Delivery Detail
- 2 Days Upon The Payment Is Confirmed
- Packaging Details
- Carton or Road Case
- Transport Package
- Carton
- Specification
- CE, ROHS, FCC, CCC, CB
- Trademark
- QQ CHINA, Lingba, OEM
- Origin
- Guangzhou, China
- HS Code
- 8518400090
- Production Capacity
- 300, 000 PCS/Year
Product Images of Lba-280 Speaker Sound Amplifier 280W
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Product Description


1: Three microphone inputs. Two auxiliary inputs and one auxiliary outputs for link.
2: Transformer isolated 100V, 70V and 4-16 Ohms speaker outputs.
3: A five element LED level meter is provided for quick and easy visual monitoring of the sound level
4: Muting function.
5: Individual volume control, low and high tone control
6: Short circuit protection & alarm
7: Series amplifiers of high output power available.
| Model | LBA-60 | LBA-100 | LBA-150 | LBA-200 | LBA-280 |
| Rated power | 60W | 100W | 150W | 200W | 280W |
| Line voltage | 70-100V | 70-100V | 70-100V | 70-100V | 70-100V |
| Impedance | 4-16Ω | 4-16Ω | 4-16Ω | 4-16Ω | 4-16Ω |
| Dimension(mm) | 485*360*90 | 485*360*90 | 485*360*90 | 485*395*90 | 485*395*90 |
| GW(kg) | 8.4 | 9.6 | 10.4 | 10.7 | 13.1 |
| Model | LBA-280 | LBA-380 | LBA-480 | LBA-680 | LBA-880 | LBA-1000 |
| Line voltage | 70-100V | 70-100V | 70-100V | 70-100V | 70-100V | 70-100V |
| Sensitivity | 230mv\15mv | 230mv\15mv | 230mv\15mv | 230mv\15mv | 230mv\15mv | 230mv\15mv |
| Sensitivity | > 80db | > 80db | > 80db | > 80db | > 80db | > 80db |
| Harmonic distortion | < 0.3 % | < 0.3 % | < 0.3 % | < 0.3 % | < 0.3 % | < 0.3 % |
| FREQ. RESP | 20Hz-20KHz | 20Hz-20KHz | 20Hz-20KHz | 20Hz-20KHz | 20Hz-20KHz | 20Hz-20KHz |
| Rated power | 280W | 380W | 480W | 680W | 880W | 1000W |
| Fuse | F5AL | F5AL | F8AL | F8AL | F10AL | F10AL |
| Dimension(mm) | 435*390*90 | 435*390*90 | 435*390*90 | 435*390*90 | 435*390*90 | 435*390*90 |
| Weight(KG) | 13 | 14.5 | 16 | 18.5 | 20 | 21.5 |
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR251767". Items marked "" are certified.
Company Profile
Founded in 2005, Guangzhou Lingyin Electronics Co., Ltd, has over 17 years OEM /ODM experience in Public Address System and Professional Audio System and Conference system.
We have strict quality control system with 5 steps of inspection to assure the stability of quality. And the product we create must routinely pass international certification standards such as CE, CCC, RoHS, FCC, CB etc. And also has passed ISO9001, 14001, 18001, SGS etc quality management system certification.
Our factory located in Guangzhou and Zhaoqing China, covers an area of 50, 000 square meters and has more than 500 employees. We have 8 engineers who has more than 15 years R&D experiences and 10 engineers who has 6 years R&D experiences.
Lingyin spends 6% of the annual sales revenue into research and development every year. Its research and development of independent intellectual property rights have won many national and provincial awards.
Due to our partnerships with Top 5 Famous audio brand in the word, we understand the importance of your date security and your need more than a supplier. We looking forwarded to establish long-time business relationship with customers in the world.
Company mission: Lingyin, Let the world hear to our voice, let our voice spread to every corner of the world! Let everyone's desire to be realized in the Lingyin! Company Goal: Being to Top 1 Audio Manufacture On the World.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 2# Block 1, Menkuotian Industrial Area, Shijing Town, Baiyun District, Guangzhou, Guangdong, China
-
Plant Area
- 8000 square meters
-
Number of Employees
- 41
-
Registered Capital
- 10,700,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- EXW, CFR, CIF, FOB
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Guangzhou Port, Shenzhen Port
-
Minimum Order Quantity
- 1 PCS
-
Supply Chain Partners
- 31
Our Production Capability & Technical Expertise
-
Main Products
- PRO Audio, Speaker, Amplifier, PA Address System, IP Network System, Wireless Broadcast, Wireless Mic, PA Lectern, Professional Audio
-
Production Lines
- 2
-
Production Machines
- Production Line, Oscilloscope
-
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
- Flexible customization, Minor Customization, Full Customization, Customization from Designs, Customization from Samples
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2005-08-30
-
Export Year
- 20 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, Australia, South Asia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 12
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CE, Others
-
Cooperated with Fortune 500
- Yes
FAQ
- What is the rated power of the LBA-280 amplifier?
- The LBA-280 has a rated power of 280W.
- What are the input and output configurations?
- It features three microphone inputs, two auxiliary inputs, one auxiliary output, and transformer isolated speaker outputs (100V, 70V, and 4-16 Ohms).
- Does the amplifier include protection features?
- Yes, it includes short circuit protection with an alarm function and a muting function.
- What certifications does this product have?
- The product is certified with CE, FCC, RoHS, and CB.
- Is customization available for this amplifier?
- Yes, flexible customization options are available, including minor customization, full customization, and OEM/ODM services.
- What is the warranty period for this amplifier?
- The warranty period is 3 years.
- What is the delivery time after payment confirmation?
- The delivery detail is 2 days upon the payment is confirmed.
- What is the minimum order quantity?
- The minimum order quantity is 1 PCS.
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