BF-1860-000 Knowles Acoustics, BF-1860-000 Datasheet

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Acoustic Interface Design Guide MEMS MICROPHONES ECMs SPECIALTY MICROPHONES SPECIALTY SPEAKERS CUSTOM ASSEMBLIES ACOUSTIC SOFTWARE MICROPHONE AND SPEAKER BASICS ...

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... Discover 2 your next acoustic interface solution. Knowles Acoustics offers you a full spectrum of MEMS microphones, electret condenser microphones, specialty microphones, balanced armature speakers, custom assemblies, and sound conditioning software. This application guide will help you select the right acoustic interface solution. Knowles reserves the right to change designs and specifications without prior notice. Should a safety concern arise regarding this product, please contact us immediately for technical consultation ...

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We can help you every step of the way. It all starts with your application starts with an idea you may have. For support from concept to design to sub-assembly, or any step along the way, just call ...

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MICROPHONES – MEMS SiSonic ™ MEMS Microphones The SiSonic ™ MEMS microphone series is entering its fourth generation of development, with product shipments exceeding 400 million units to date. The proven and evolving design series continues to support high-performance, high-density ...

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Ultra Mini Package - 3.76 x 2.95 x 1.10 (mm) • New Ultra Mini with footprint of 11mm • Flexible designs available with/without RF filtering and built in amplifier • Ideal for miniature consumer electronics ...

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MICROPHONES – ECMs Electret Condenser Microphones Electret Condenser Microphones (ECM) are for general use in all electronic products requiring a microphone. ECMs provide good acoustic performance and reliability under non-severe environmental conditions. • Highly efficient electrical specifications • Industry standard ...

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Omni-Directional – Size (mm) 6X1.3 6x1.5 6x2.2 6x2.7 6X5 -10 -20 -30 100 -10 -20 -30 100 Omni-Directional – 9.7 mm Size (mm) 9.7x4 -10 -20 -30 100 Notes: ...

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... FREQUENCY (Hz) Value Added Microphone Assemblies Knowles Acoustics has over 60 years experience with precision assembly for demanding applications. By allowing Knowles to work with your design engineers we are typically able to provide a lower overall cost (time to market, R&D expenses, production scrap and inventory issues) with some of the highest quality standards in the industry. ...

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Specialty Transducer Microphones The Specialty Transducer (ST) product line consists of miniature microphones, speakers, and assemblies. Hundreds of design possibilities can be applied to your product challenge with our high-performance microphone designs. Ideal for new product ideas that require premium ...

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SPECIALTY TRANSDUCERS – Microphones EK/EL SERIES – Microphone Omnidirectional (EK), Unidirectional (EL) 4.00 x 5.59 x 2.28 (mm) EK omnidirectional microphones provide a unique combination of size, performance and value. Its high electroacoustic sensitivity and low noise make this microphone ...

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BJ SERIES – Microphone Omnidirectional, Noise Canceling 7.92 x 5.70 x 4.14 (mm) Knowles’ Magnetic Microphones (BJ Series) are based on balanced armature technology and are self-shielded against external magnetic fields. The microphones offer high efficiency, stability, and reliability and ...

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SPECIALTY TRANSDUCERS – Microphones WP SERIES – Waterproof Microphone Omnidirectional, Noise Canceling 4.00 x 5.59 x 2.28 (mm) Knowles’ waterproof microphones survive immersion in water. The WP Series’ form factor is a very small size with low vibration sensitivity. The ...

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FB SERIES – Boom Microphone FB Series are available in metallic, flexible boom styles, which utilize a wide array of microphone elements, giving superb noise rejection and high-frequency crossover of near and far field responses. FB’s are utilized in a ...

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... These damping elements are used between the speaker outlet and the ear canal to smoothen the frequency response. • Smoothen and shape frequency response • Various acoustical resistances and sizes Color Resistance (Ohms) BF-1859-000 White BF-1860-000 Brown BF-1861-000 Green BF-1921-000 Red BF-1922-000 Orange BF-1923-000 Yellow BF-1988-000 ...

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... TWFK-30017-000 95 – Wideband Balanced Armature Speaker 5.00 x 2.73 x 1.93 (mm) WBFK SERIES Same package size as FK Series, WBFK has extended high frequency response recommended as a high frequency component to be combined with low/ midrange speaker for music earphones. • Lower low/mid-band sensitivity compared to FK Series • ...

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SPECIALTY TRANSDUCERS – Speakers FK SERIES – Balanced Armature Speaker 5.00 x 2.73 x 1.93 (mm) The world’s smallest balanced-armature speaker, the FK Series is designed for applications where size is the most important design concern. • 114dB SPL maximum ...

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WBHC SERIES – Balanced Armature Speaker 5.16 x 3.51 x 3.00 (mm) The advanced design of the HC Series speaker provides extended acoustic bandwidth for hi-fi in-ear speakers when paired with a low frequency speaker. • Lower low/mid band sensitivity ...

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SPECIALTY TRANSDUCERS – Speakers EH SERIES – Balanced Armature Speaker 5.19 x 3.55 x 3.00 (mm) EH Series speakers are approximately 2/3 the size of ED speakers and may be used for small radio communication earphones where ED size does ...

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FED SERIES – Balanced Armature Speaker 6.32 x 4.31 x 2.47 (mm) The addition of Ferrofluid ™ to Knowles ED series speakers improves mechanical shock survival and provides peak damping to smooth frequency response. • Ferrofluid ™ damped with 2dB, ...

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SPECIALTY TRANSDUCERS – Speakers EC SERIES – Balanced Armature Speaker 7.57 x 4.31 x 3.67 (mm) EC Series speakers are commonly used in isolating earphones for radio communication. • Similar SPL output to the BK Series • Rounded corners on ...

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BK SERIES – Balanced Armature Speaker 7.87 x 5.59 x 4.01 (mm) BK Series speakers provide broadband performance at value pricing. They are commonly used for full range in-ear speakers and communications utilizing an earplug design. • High efficiency and ...

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SPECIALTY TRANSDUCERS – Speakers SR SERIES – Balanced Armature Speaker 8.84 DIA x 5.00 (mm) At 8.8mm diameter, the SR is the first round balanced armature speaker in the marketplace. SR offers output equivalent to the BK series and maximizes ...

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MR SERIES – Waterproof Speaker 22.12 DIA x 9.3 (mm) The MR Series Assemblies consist of a speaker element attached to a waterproof bellows assembly. They may be panel mounted, and are suitable for outdoor use or repeated submersion. • ...

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... Knowles Acoustics. COMPLETE SOLUTION Knowles Acoustics Finished Goods program offers reduced time to market at an ultimately reduced total manufacturing cost of acoustic product ownership. Support in design, application, assembly and testing are all elements included in our services. Off-the-shelf designs are also available. Design Support • ...

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INTELLISONIC ™ The intelligibility and use of mobile communications are often impeded by the impact of noise from the immediate environment. IntelliSonic is a software-based speech enhancement technology that when coupled with Knowles’ microphones, reduces the effects of reverberation, directionally ...

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MICROPHONE AND SPEAKER BASICS MICROPHONE AND SPEAKER BASICS MICROPHONES Microphones measure sound pressure. Inside a Knowles microphone is a thin flexible diaphragm, an electrically charged plate, and an amplifier (Fig. 1). The output voltage is proportional to changes in the ...

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SPEAKERS The speaker converts an electrical signal into sound. A cross section of a typical Knowles speaker is shown in Fig. 3. The basic components of the speaker are: a coil of wire, a metal U-shaped reed called the armature, ...

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... Knowles North & South America World Headquarters Manufacturing Sales & Application Engineering Knowles Acoustics maintains sales, marketing, engineering and manufacturing globally. For immediate assistance on your specific requirements, please call the nearest facility listed below. AMERICAS: EUROPE: Knowles Acoustics Knowles Acoustics ...