The DSP1540 is a high-power long-range horn speaker with a coaxial design for treble and bass, featuring professional-grade coaxial drivers. It features efficient sound transmission, strong penetration, and high speech intelligibility. The enclosure is made of PP material, offering waterproof, corrosion-resistant properties, making it suitable for various extreme climates and environments. This product is widely used in stadiums, schools, training grounds, air raid warning systems, coastal beaches, and highways.

Model | DSP1540 |
Speaker Unit | 15"×1, 3"×1 |
Rated Power | 400W |
Input | 100V/8Ω |
Frequency Response | 98Hz-18KHz |
Sensitivity (1W/1M) | 101±3dB |
Max. SPL (1M) | 127±3dB |
Coverage Angle | 50×80 |
Waterproof level | IP56 |
Color | Black/Grey |
Product Weight | 28kg |
Product Size | 490×490×480mm |
DSP163HD 13W-25W High Fidelity Horn SpeakerNovember 15, 2016Description:The DSP163HD is a high fidelity horn speaker desigend for 70v/100v public address use. The 70v/100v transmission technique reduces line losses on longer distance and allows easy parallel connection of multiple horn loudspeakers.view
DSP3012A 300W Outdoor Horn Speaker SystemNovember 15, 2016DescriptionThe DSP3012A is an outdoor speaker with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission ...view
DSP354 45W High Fidelity Horn SpeakerOctober 12, 2023This device is a two-way speaker, which consists of 3” horn + 5” full-range unit. It provides high-efficiency sound reinforcement of the horn speaker and ensures clear and undistorted sound quality ...viewwe will contact you within 24 hours.
DSPPA | An In-depth Exchange with Bangladesh PartnerMay 8, 2025Abstract: DSPPA showcased its speaker capabilities alongside its Bangladeshi partners to the international market.view
What Are the Characteristics of the Conference Sound System DesignJuly 21, 2021On the premise of meeting the national standards, we should try to meet the needs of customers to the maximum extent. To ensure that acoustical specifications of these venues meet the specified requir...view