The Professional Active Line Array Speaker System is designed for demanding applications that require exceptional sound quality and amplification performance. Whether in large conference rooms, outdoor performance venues, or school auditoriums, it delivers powerful and crystal-clear audio with ease.

Model | DSP1280 |
Frequency Response | 35Hz-20KHz(±3dB) 1watt@1m |
Sensitivity | Full-Range Speaker: 96dB Subwoofer: 95dB Whole System: 98.7dB |
Max.SPL | Full-Range Speaker: 125dB Subwoofer: 124dB Whole System: 130.74dB |
Nominal Impedance | 4 Ohm |
Nominal Power | 800W Full-range Speaker, 800W Subwoofer |
Peak Power | 3200W |
Dispersion H x V | 140° Horizontal * 25° Vertical |
Crossover Point | Active 150Hz, Built-in Mid and High-frequency Drivers: 1.2KHz |
HF drivers | 2 ×1.75” HF drivers (44-turn voice coil tweeter) |
MF drivers | 6 × 5.5" Midrange drivers (35mm voice coil) |
SUB drivers | 2 × 12" Subwoofers (75mm voice coil) |
Active Power Amplifier | 2×1200W |
Paint | Polyurea Waterproof and Scratch-resistant Paint |
Product Dimensions | Upper Column Speaker: 700H × 150W × 190D (mm) |
Lower Column Speaker: 650H × 150W × 170D (mm) | |
Subwoofer: 860H × 340W × 350D (mm) | |
Net Weight | Upper Column Speaker: 14kg |
Lower Column Speaker: 11kg | |
Subwoofer: 32kg |
LA1421SA Powered Active SubwooferSeptember 21, 2018The active subwoofer is designed to deliver powerful bass, thanks to its long-stroke woofer. The speaker box body is constructed from specially designed plywood for sea vessels, ensuring high reliabil...view
LA1426M Line Array Full Frequency LoudspeakerSeptember 20, 2018The LA1426M is a line array full-frequency loudspeaker rated at 300W with an impedance of 16Ω. It features 6.5"x2 and 1.75"x1 driver units, achieving a maximum SPL of 118±2dB and a sensitivity of 95...view
LA1421F Dual 10-inch Waterproof Line Array Full-range SpeakerJanuary 31, 2024The LA1421F is a dual 10-inch waterproof line array full-range speaker featuring high-end quality, adjustable directivity, and excellent sound performance. With its high sensitivity and powerful outpu...viewwe will contact you within 24 hours.
DSP9000 IP Network PA & Intercom System for PrisonsApril 25, 2025DSP9000 IP Network PA & Intercom System integrates computer networks, PSTN, and mobile communication networks into a unified audiovisual communication solution. It enables interconnectivity across LAN, WAN, PSTN, and mobile devices, offering cost-effective voice, video intercom, and broadcasting functions, making it ideal for application in schools, hospitals, apartments, factories, and public transit stations.view
Application of LRAS150 Loudspeaker in Rural EnvironmentJuly 12, 2018Applicationof DS1421H Loudspeaker in Rural EnvironmentOn 10th July, all 12 boys and the coach from Thailand soccer team were safely rescuedout of the cave Tham Luang Nang Non. Through the joint effort...view