The DSS1521 directional wall-mount speaker is a new-generation speaker system that is able to produce highly directional sound, acting like a flashlight, which will deliver the sound precisely pointed to the target listeners. It has low sound attenuation and long transmission distance, easy installation, high fidelity and high bandwidth suitable for various application scenarios.


Model | DSS1519 | DSS1521 |
Max. SPL | 80±3dB@2KHz | 88±3dB@2KHz |
Directivity | <15°(-20dB) | <15°(-20dB) |
Input sensitivity | 1 Vrms | 1 Vrms |
Maximum input | 2.8Vpp | 2.8Vpp |
Frequency range | 500Hz-13kHz | 500Hz-13kHz |
Rated power | 19W | 21W |
Input port | 3.5mm AUX | 3.5mm AUX |
Control | LINE IN | LINE IN |
Status indicator | Power signal | Power signal |
Power supply requirements | U.K.: 24V DC/2.7A | U.K.: 24V DC/2.7A |
Others: 24V DC/3A | Others: 24V DC/3A | |
Temperature range (ambient) | -15°C-45°C | -15°C-45°C |
Working humidity | 0-90% | 0-90% |
Size | 294*169*29mm | 294*169*29mm |
Weight | 1450g | 1500g |
Mounting accessories | 75*75mm universal bracket | 75*75mm universal bracket |
Finish/Color | Grey guard | Grey guard |
Matching amplifier size | 153*111*46mm | 153*111*46mm |
Power adapter | Input: 100-240Vac 50/60Hz | Input: 100-240Vac 50/60Hz |
Output: U.K.: 24V DC/2.7A Others: 24V DC/3A | Output: U.K.: 24V DC/2.7A Others: 24V DC/3A | |
USB player | Supported function: external USB player, 2.0 standard (max. 32G) Supported audio file formats: MP3 and WAV Supported file system formats: FAT and FAT32 Priority: give priority to USB player (if any) by default. | Supported function: external USB player, 2.0 standard (max. 32G) Supported audio file formats: MP3 and WAV Supported file system formats: FAT and FAT32 Priority: give priority to USB player (if any) by default. |
Audio cable | 3.5mm audio cable | 3.5mm audio cable |
DSP395 (DSP395U+DSP395T) IP Directional Flat Speaker SystemApril 9, 2025The IP Directional Flat Speaker System, based on ultrasonic directional propagation characteristics, utilizes advanced digital signal processing technology. It modulates sound signals into ultrasonic ...view
DSS1520A Active Directional Speaker SystemJuly 13, 2022view
DSS1418 Active Directional Speaker SystemJuly 13, 2022DSS1418 is a directional active speaker system. As the ultrasonic wavelength is only a few millimeters, much smaller than that of the speaker, it can produce nearly linear narrow beam. Ultrasonic wave...viewwe will contact you within 24 hours.
A Deep Dive into Digital PA AmplifiersMay 15, 2025In the electronic world, digital PA amplifiers are crucial electronic devices that play an irreplaceable role in various fields. This article will delve into the principles, characteristics, and wide-...view
DSPPA | Conference New Official Website in Now OnlineJanuary 11, 2023Abstract: DSPPA Conference New Website has a fresh new look, full of features and customized solutions to meet all of your audiovisual needs, come to browse the new website at https://www.dsppacs.com/ here!view