K212-A&KS28-A Line Array Speaker Systems
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Product details
| K212-A | TECHNICAL SPECIFICATIONS |
| Components | 2*12"+1*3" |
| Frequency Response | 56Hz-19KHz |
| Sensitivity(1m@1w) | 97dB |
| Max SPL @ 1m | 139dB |
| Power RMS/peak | 1200W/4800W |
| Nominal Impedance | 8Ω |
| Amp Module | 500W+1200W@8Ω(with DSP) |
| Enclosure | 18mm birch plywood and black painting |
| Product size(mm) | 555*950*505 |
| Shipping Size | 650*1040*595(1pc/carton) |
| N.W./G.W.(kgs) | 45.6/48(1pc/carton) |
| K212-A | TECHNICAL SPECIFICATIONS |
| Components | 2*12"+1*3" |
| Frequency Response | 56Hz-19KHz |
| Sensitivity(1m@1w) | 97dB |
| KS28-A | TECHNICAL SPECIFICATIONS |
| Components | 2*18" |
| Frequency Response | 29Hz-200Hz |
| Sensitivity(1m@1w) | 99dB |
| Max SPL @ 1m | 142dB |
| Power RMS/peak | 2400W/9600W |
| Nominal Impedance | 4Ω |
| Recommend Amps | 4*1800W@8Ω(with DSP) |
| Connector | Original Neutrik NL4*2 +1/-1 |
| Enclosure | 18mm birch plywood and black painting |
| Product size(mm) | 565*1345*730 |
| Shipping Size(mm) | 810*1440*800(1pc/case) |
| N.W./G.W.(kgs) | 80.6/128.1(1pc/case) |
| KS28-A | TECHNICAL SPECIFICATIONS |
| Components | 2*18" |
| Frequency Response | 29Hz-200Hz |
K212-A+KS28-A Active Package is a professional commercial audio solution tailored for large-scale venues accommodating 3,000 to 5,000 people. Boasting robust durability, hassle-free installation and strong scalability, it is well-suited for indoor and outdoor engineering projects, event rental applications and fixed venue installations, and is widely trusted by audio contractors and rental companies across the globe.
Equipped with precision acoustic design and high-performance customized transducers, this active speaker package delivers balanced high and mid-frequency performance, pristine vocal reproduction and punchy, resilient deep bass. It maintains ultra-low distortion and full-coverage sound without blind spots even at high sound pressure levels, ensuring consistent and uniform audio output for large-scale events and fixed sound reinforcement systems.
Built with high-grade waterproof and wear-resistant cabinet materials, this active audio system features superior weather adaptability. It effectively resists dust, moisture and daily wear and tear, supporting long-term stable operation in diverse and complex indoor and outdoor scenarios. This significantly lowers equipment maintenance frequency and overall project operating costs.
Engineered with a standard modular structure, the system greatly simplifies on-site installation and commissioning work. It supports both ground stacking and array suspension mounting methods, flexibly adapting to various site layouts and stage designs to achieve fast and versatile on-site deployment.
The system allows flexible expansion and configurable upgrades to satisfy varied engineering and application requirements. Featuring reliable overall performance and excellent cost efficiency, it serves as a premium and cost-effective audio solution for medium and large-scale commercial sound engineering projects.





ODM&OEM
Professional service team
Flight Case Logo
Customized Product Logo
Parameter Board Customization
Annual output value of 20000 line arrays
Orders of 50 or less can be shipped within 7 days
Equipped with professional waterproof cover instruction manual, and cable
1-year Free warranty
Response After-sales service
100% Full inspection
Distributor price protection

Welcome to visit L-SOLUTION line array factory
20 years Technical team
Covers an area of 8000 square meter

5 steps quality control testing
100% full inspection of the product


Application: Live show, Public square, Night club, Hotel, Stadium & Gymnasium, Theater, Conference Hall,Disco/Bar.
Established in 2014, L-Solution is a professional manufacturer with 12 years of specialized experience in the professional audio industry, focusing on high-grade line array speaker systems for concerts, stadiums and large venues. We have delivered reliable and customized professional sound solutions for thousands of global events, boasting abundant practical experience in large-scale stage and venue audio projects.
Our brand owns an 8000㎡ modern manufacturing base, including a 300㎡ exhibition hall, 150㎡ professional acoustic R&D room, 3000㎡ standardized production workshop and 4000㎡ independent warehouse. Equipped with 2 dedicated speaker production lines, we integrate 20 years of professional acoustic R&D experience and mature digital management technology. We support full-industry-chain independent production, covering box material selection, CNC cutting, spraying, polishing, assembly and systematic testing, which guarantees stable production capacity and fast global delivery.
We implement a strict 5-step quality testing system. Each set of our audio equipment undergoes 100% comprehensive inspection on material, structure, phase, frequency response and listening sense, ensuring stable performance and outstanding sound quality. All products strictly conform to ISO9001, CE and RoHS international standards with complete certifications, fully meeting global market compliance requirements.
We support premium ODM and OEM customized services for global customers. With integrated production and sales advantages, our professional audio products are exported to over 90 countries and regions worldwide. Insisting on continuous technological innovation and service upgrading, L-Solution keeps empowering industrial development with smart manufacturing. We always aim to provide global partners with high-quality, stable and superior professional audio solutions
FAQ:
Q1.Can I have a sample order for the loudspeaker?
A: Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.
Q2.What about the lead time?
A: Sample needs 3-5 days, and mass production time needs 2-3 weeks from the confirmation of deposit.
Q3.Do you have any MOQ limit for loudspeaker orders?
A: MOQ 1 Set.
Q4.How do you ship the goods and how long does it take to arrive?
A: We usually ship by Sea.It usually takes 30-45 days to arrive.The airline is also optional.
Q5.How do I proceed with an order for a loudspeaker?
A: Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly, the customer confirms the samples and places a deposit for a formal order.
Fourthly We arrange the production.
Q6.Is it OK to print my logo on loudspeaker products?
A: Yes.Please inform us formally before our production and confirm the design first based on our sample.
Q7: Do you offer a guarantee for the products?
A: Yes, we offer a 1-year warranty on our products.
Q8: How do we deal with the fault?
A: Firstly, our products are produced in a strict quality control system and the defective rate will be less than 0.2%.
Secondly, during the guarantee period, we will send new products with new orders for small quantities.
Or we can discuss the solution including a re-call according to the real situation.
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If you have any questions, please feel free to contact us, We will contact you as soon as possible.