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Item: 375021316322
Condition:New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is … Read moreabout the conditionNew: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller’s listing for full details. See all condition definitionsopens in a new window or tab
Frequency Range:55Hz-20KHz
Waterproof:NO
Power Source:Battery,DC
Operate Voltage:DC15V ~ DC24V
Set Type:Amplifier Sets
Sound Volume:Adjustable
Speaker Type:OUTDOOR SPEAKER
Channels:1
Battery:NO
Wireless Version:DS100B
PMPO:35W
Speaker element number:63
Sensing Range:> 20m
Communication:AUX
Built-in Microphone:NO
Special Feature:Wireless,PORTABLE,Mini
Audio Input:3.5 Aux or B.T.wireless
Intelligent Personal Assistant:None
Transducer frequency:40kHz
Place of Origin:Shandong,China
Output Power:25W
Display Screen:NO
Use:HOME THEATRE,Portable Audio Player,Mobile Phone,Karaoke Player,CO
Cabinet Material:Glass
LED Lighting:single color
Material:Aluminum
Model Number:DS100
factory:factory
Type:Passive
Product name:DIRECTIONAL SPEAKER
Aux Version:DS100A
DS100:DS100
Connectivity:Bluetooth, Wired, Wireless
Number of Loudspeaker Enclosure:1
Woofer Size/Full-Range Size:4″
eBay What is a directional speaker? What is a directional speaker? In a nutshell, the directional speaker is an audio device that allows you to listen to audio while those around you cannot hear what you are hearing. In the following paragraphs we will tell you more about the directional speaker and the technology it uses, and we will list a few industries where it is widely employed. Product Paramenters GENERAL SPECIFICATION OPERATE VOLTAGE DC12V ~ DC24V OPERATE CURRENT 1A MAXIMUM TRANSMITTING RANGE >20 METERS MAXIMUM AUDIO SIGNAL Vpp < 1 Vp-p DS100A 3.5mm AUX INPUT VERSION DS100B B.T. WIRELESS AUDIO VERSION DS100B B.T. ID BK8000L Details Images Products Description What sound control technologies do we use? DS100 specialize in the manufacturing of directional speakers, also commonly known as parametric speakers, which function to emit a narrow beam of sound towards a targeted area and just steps away no sound can be heard.In order to create these unique speakers, the DS100 team of engineers utilize innovative adaptive sound control technologies, namely parametric array, a nonlinear transd uction mechanism. A parametric array does not generate sound directly – it uses ultrasonic waves to reproduce sound. Ultrasonic waves modulated with an audio signal are generated by ultrasonic transducers. As they pass through air or encounter objects, they de-modulate and sound can be heard.Diffffraction of ultrasonic waves is much lower than sound waves because of their higher freq uency. So, the ultrasonic waves, and the sound coming from the directional speaker, spread very little and are confifined to a narrow beam that can reach tens of meters. Dimension Application Directional Speaker > Retail > Exhibitions and Showrooms > Museums > Virtual Source Effffects > Digital Signage > Public Address and Warning Systems > Command and Control Centers > Offices > Hearing Impairment Enhancement DS100 produces a directional beam of sound,sort of like a spot light for sound. This meansif you are standing in front of it when it’s on,you will hear the sound it produces. If you stepto the side, you won’t hear anything produced by DS100. In comparison, the speakers we areused to tend to emit sound radially, filling anentire space around it with sound.A focused speaker is a device that generatesmid to high-frequency audio in a narrow beamof soundwaves. Unlike low-frequency soundwaves, mid to high-frequency sound can be focused almost like a laser beam. These waves travel at long distances but are loudest at the center. They are only heard by those standing in front of the speaker. Directional or focused speakers are very different from traditional speakers in the way they distribute sound. While the role of conventional speakers is to transmit the audio as widely and as loudly as possible, directional speakers aim to focus the audio intoa concentrated area allowing for much better sound clarity, usually at lower decibel levels. Directional speakers are commonly used to address specific areas within a crowd rather than disturbing a wider audience.
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