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knowles

Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois, USA. The company specializes in micro-acoustic, electro-mechanical, and related technology platforms that enable advanced audio solutions. Knowles has a global presence with design centers and manufacturing facilities in Asia, including world-class production sites in China and Malaysia. Their core product portfolio includes the SiSonic™ MEMS microphones, which are widely used in smartphones, tablets, wearables, and smart home devices. In addition, Knowles offers balanced armature speakers that deliver high-fidelity audio in hearing aids, premium earphones, and professional audio equipment. The company also provides intelligent audio solutions, combining MEMS microphones with digital signal processing (DSP) and software for voice command, voice biometrics, and audio edge processing. Another key area is precision devices, such as capacitors and RF filters, serving telecom, medical, and industrial applications. Knowles is a market leader in MEMS microphones, holding a significant share of the global market for acoustic components in mobile and consumer electronics. The company is recognized for its engi

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SERIES

产品系列共 29 个系列

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EK-23133 microphone

The EK-23133 microphone series from Knowles Corporation is a lineup of compact omnidirectional electret condenser microphones designed for a wide range of audio applications. These microphones are known for their small form factor and ability to capture sound evenly from all directions, making them ideal for portable devices, consumer electronics, and various embedded systems. If you're working on projects that require a high level of portability and need a microphone that can pick up sounds effectively without the need for directional adjustments, these microphones are a solid choice. One thing worth noting is their robust performance in noise-canceling scenarios; they can handle a variety of environmental conditions while maintaining clarity and fidelity. Engineers tend to reach for this when they need a reliable microphone solution that doesn't compromise on size but still delivers good audio quality. Another practical observation is their versatility; they can be used in both indoor and outdoor settings, making them suitable for everything from smart speakers to wearable tech

FG-23329 microphone

The FG-23329 series from Knowles Corporation is a lineup of compact, omnidirectional electret microphones designed for a variety of audio applications. These microphones are known for their small form factor, making them ideal for portable devices and compact systems where space is at a premium. They offer good sensitivity and wide frequency response, which makes them suitable for capturing clear audio in a range of environments. If you're working on wearable technology or IoT devices that require high-quality sound pickup without taking up too much space, these microphones are a great choice. Engineers tend to reach for this series when they need a reliable, small-footprint solution for voice commands, ambient noise monitoring, or any application requiring unidirectional audio capture. One practical observation is that despite their compact size, the FG-23329 series maintains a decent signal-to-noise ratio, which helps in maintaining audio quality even in noisy environments. Another useful feature is their omnidirectional nature, which allows them to pick up sounds from all directions, making them perfect for applications like hands-free communication systems or environmental soun

VEK-F

The VEK-F series from Knowles Corporation is a lineup of omnidirectional condenser microphones designed for applications requiring high sensitivity and wide frequency response. These microphones are particularly useful in scenarios where capturing sound from all directions is crucial, such as in conference rooms, broadcast studios, or environmental audio monitoring systems. If you're working on any project that involves recording ambient sound or needs a microphone that can pick up sound equally well from all angles, these microphones are a great choice. One thing worth noting is the 3-wire connectivity, which simplifies installation and reduces the number of wires needed compared to traditional 4-wire setups. This feature makes the VEK-F series ideal for systems where minimizing cable clutter and reducing installation complexity are important factors. Engineers tend to reach for this when they need a reliable solution that can handle both high-fidelity sound capture and ease of integration into existing systems. The omnidirectional pickup pattern ensures that sound is captured evenly from all directions, making it perfect for applications where the source of the sound might be mov

EA-21842-C

The EA-21842-C series from Knowles Corporation is a compact, omnidirectional analog condenser microphone designed for a variety of applications requiring high sensitivity and wide frequency response. These microphones are ideal for portable devices, wearable tech, and small form factor audio systems where space is a premium but performance is crucial. If you're working on projects involving voice commands, ambient sound monitoring, or any application where capturing clear, full-spectrum audio is important, these microphones are a great choice. One thing worth noting is their ability to pick up sound evenly from all directions, which makes them perfect for scenarios where the source of the sound might be unpredictable or moving around. Engineers tend to reach for this when they need a reliable, small-footprint solution that doesn’t compromise on audio quality. The EA-21842-C’s omnidirectional nature ensures that no matter the positioning, the audio captured remains consistent and true to the source. This makes them particularly useful in environments where background noise might be an issue, as they can effectively capture the primary sound without being overly affected by ambient s

EK-23029

The EK-23029 series from Knowles Corporation is a lineup of compact microphones designed for use in various audio applications. These microphones are known for their small form factor and high sensitivity, making them ideal for devices where space is limited and performance is crucial. If you're working on wearable tech, smartphones, or portable audio devices, these microphones are a great choice. They offer excellent noise rejection and can handle a wide range of input levels without distortion. One thing worth noting is that engineers tend to reach for this series when they need a microphone that can fit into tight spaces but still deliver high-quality sound. The EK-23029s are particularly useful in applications requiring directional picking up of sound, such as in hearing aids or noise-cancellation headphones. Their compact size allows for more flexibility in design, while their robust performance ensures clear and accurate audio capture. Another benefit is their ability to operate in harsh environments, which makes them suitable for outdoor or industrial applications where durability is key

EK-27263 electromechanical

The EK-27263 series from Knowles Corporation is a lineup of compact microphones designed for high-sensitivity audio applications. These microphones are ideal for use in portable devices, wearables, and IoT devices where size and performance are critical. If you're working on any project that requires high-quality audio capture in a constrained space, these microphones are a great fit. One thing worth noting is their exceptional sensitivity, which allows them to pick up even the faintest sounds with clarity. This makes them particularly useful in environments where background noise is prevalent, such as in smart speakers or ambient sound monitoring systems. Engineers tend to reach for this when they need a microphone that can deliver clear audio without needing to be placed too close to the sound source. Another practical application is in wearable tech, where these microphones can ensure that voice commands and ambient sounds are captured accurately, even in noisy environments. Their small form factor means they can be integrated seamlessly into headsets, earbuds, and other wearable devices without compromising on audio quality. Overall, the EK-27263 series offers a perfect balance

EL-23077

The EL-23077 series from Knowles Corporation consists of compact microphones designed for a variety of audio applications. These microphones come in different sensitivities, which makes them highly versatile. If you're working on projects that require small form factor microphones but need flexibility in terms of sensitivity, these could be a great fit. For instance, they might show up in portable audio devices, wearables, or even in automotive infotainment systems where space is limited but performance is crucial. One thing worth noting is their compact size; they're perfect for integrating into tight spaces without compromising on quality. Engineers tend to reach for this when they need to balance form and function, especially in consumer electronics where design aesthetics are important. Another practical benefit is their robustness—they handle wide frequency ranges well, making them suitable for capturing high-quality audio in various environments

EM-24046 sensor

The EM-24046 sensor series from Knowles Corporation is a lineup of compact omnidirectional electret condenser microphones designed for various audio applications. These sensors are ideal for portable devices, wearables, and any system requiring a small form factor with good sound pickup across all directions. If you're working on consumer electronics like smartphones or smartwatches, these microphones are a go-to choice due to their size and performance. One thing worth noting is that despite their compact size, the EM-24046 sensors deliver surprisingly high-quality audio. Engineers tend to reach for this when they need a microphone that can fit into tight spaces but still provide decent audio fidelity. Another practical use case is in environmental sound monitoring systems where omnidirectional pickup is crucial for capturing ambient noise or multiple sound sources without needing to adjust the microphone's position. These microphones are also known for their robustness and reliability, making them suitable for environments with varying temperatures and humidity levels. The electret condenser design ensures consistent performance over time, which is essential for long-term audio a

2225J2K00472 Ceramic Capacitor

The 2225J2K00472 from Knowles Corporation is a standard ceramic capacitor designed for a wide range of general electronic applications. These capacitors are known for their high reliability and stability, making them a go-to choice for engineers working on projects that require precise performance under varying conditions. If you're working on power supply filtering, decoupling, or any application needing low ESR (Equivalent Series Resistance), these capacitors are a solid pick. They offer excellent capacitance retention over temperature, which is crucial for maintaining circuit performance across different operating environments. One thing worth noting is their robustness; they handle high surge currents well without degrading quickly, which is particularly useful in noisy or transient-rich environments. Engineers tend to reach for this type of capacitor when they need a reliable, cost-effective solution that can perform consistently in a variety of scenarios. Their small footprint and low profile make them ideal for space-constrained designs, while their ability to withstand harsh conditions ensures long-term reliability. Overall, the 2225J2K00472 is a dependable choice for a bro

SPM0423

The SPM0423 series from Knowles Corporation is a lineup of compact MEMS microphones designed for digital and RF applications. These microphones are ideal for portable devices and systems that require high sensitivity and excellent noise rejection in a small form factor. If you're working on wearable tech, smartphones, or IoT devices, these microphones are a great fit due to their ability to capture clear audio even in noisy environments. One thing worth noting is the SPM0423’s robust performance in challenging conditions. They excel in handling wide dynamic ranges and offer excellent linearity, which makes them particularly useful in applications where background noise might otherwise interfere with audio quality. Engineers tend to reach for this series when they need a microphone that can perform reliably under various environmental stresses, such as temperature fluctuations or mechanical shocks. Another practical benefit is their low power consumption, which is crucial for battery-operated devices. Overall, the SPM0423 series is a solid choice for anyone looking to integrate high-quality audio capture into their next project

SPU0410

The SPU0410 series from Knowles Corporation is a lineup of compact MEMS microphones designed for omnidirectional audio capture. These microphones are ideal for applications requiring high sensitivity and wide frequency response in a small form factor. If you're working on portable devices, wearables, or any system that needs unobtrusive yet effective audio pickup, these microphones are a solid choice. One thing worth noting is their robust performance in challenging environments. Despite their compact size, they manage to deliver reliable audio even in noisy settings, making them perfect for ambient sound monitoring in smart speakers or environmental sensors. Engineers tend to reach for this series when they need a microphone that can perform well without adding bulk to the design. Another practical observation is their ease of integration. The SPU0410 series is known for its straightforward interface, which simplifies the design process for developers. They offer excellent sound quality and consistent performance across different operating conditions, which is crucial for maintaining user satisfaction in consumer electronics

CI-22955

The CI-22955 series from Knowles Corporation is a lineup of speakers and transducers designed for a wide range of audio applications. These devices are commonly found in portable electronics, automotive audio systems, and home entertainment setups due to their compact size and high performance. If you're working on a project that requires small yet powerful audio output, these components are a go-to choice. One thing worth noting is their excellent sound quality despite their small form factor, which makes them ideal for integrating into devices where space is limited but audio performance is crucial. Engineers tend to reach for this series when they need reliable audio solutions that don't compromise on either size or sound fidelity. Another practical observation is their robust design, which ensures longevity even in demanding environments, such as within a vehicle's interior. Overall, the CI-22955 series offers a balanced mix of performance and practicality, making them a solid investment for any audio project

EA-21843

The EA-21843 series from Knowles Corporation is a lineup of compact microphones designed for applications requiring high sensitivity and small form factors. These microphones are commonly found in portable devices, wearables, and IoT gadgets where space is a premium but audio quality is crucial. If you're working on a project that demands a balance between performance and size, these microphones are a solid choice. One thing worth noting is their excellent sensitivity, which allows them to capture even the faintest sounds with clarity. This makes them particularly useful in environments with low sound levels or in applications where background noise needs to be minimized. Engineers tend to reach for this series when they need a microphone that can deliver high-quality audio in a constrained space without compromising on performance. Another practical benefit is their robustness; they are built to withstand various environmental conditions, making them suitable for outdoor use or in devices that might be exposed to harsh conditions

ED-27156

The ED-27156 series from Knowles Corporation is a lineup of compact surface-mount speakers designed for audio applications requiring small form factors. These speakers are ideal for portable devices, wearables, and any system where space is a premium. If you're working on products that need to be slim and lightweight but still deliver decent audio quality, these speakers are a great choice. One thing worth noting is their efficiency; they manage to pack good sound performance into such a small package without compromising too much on power consumption. Engineers tend to reach for this when they need to integrate audio functionality into devices like smartphones, smartwatches, or even IoT gadgets where every millimeter counts. They also find these speakers useful in automotive applications, where they can fit neatly into dashboards or seats without taking up too much space. Another practical observation is their reliability; they handle the rigors of frequent use and environmental variations well, making them suitable for consumer electronics that might experience a lot of handling or be exposed to different temperatures

EK-27276

The EK-27276 series from Knowles Corporation offers compact microphones with impressive sensitivity, making them a popular choice in various audio applications. If you're working on anything that requires high-fidelity sound capture in a small form factor, these microphones are likely to be on your radar. They excel in portable devices like smartphones, tablets, and wearables where space is at a premium but audio quality is crucial. One thing worth noting is their excellent noise rejection capabilities. Given their compact size, they manage to filter out background noise effectively, which is a significant advantage in noisy environments. Engineers tend to reach for this series when they need to ensure clear, crisp audio without taking up too much space. Another practical benefit is their robustness; they handle well in both indoor and outdoor settings, making them reliable for a wide range of applications. These microphones are also known for their durability, which is important in consumer electronics where they might experience varying environmental conditions. Overall, if you're looking to integrate top-tier audio capture into a product without compromising on size, the EK-2727

EK-23032-C

The EK-23032-C series from Knowles Corporation is a lineup of compact microphones known for their high sensitivity, making them ideal for a variety of audio applications where size and performance are crucial. These microphones are often found in portable devices, wearables, and compact audio systems. If you're working on a project that requires capturing high-quality sound in a limited space, these microphones are a great choice. One thing worth noting is their excellent noise rejection capabilities. Given their small form factor, these microphones manage to maintain a high signal-to-noise ratio, which is particularly useful in noisy environments. Engineers tend to reach for this when they need a microphone that can deliver clear audio without being too bulky. Another practical aspect is their robustness; despite their compact design, they handle well under various conditions, making them reliable for field use. Overall, the EK-23032-C series offers a balance between size and performance that makes them indispensable for audio engineers and designers looking to integrate high-quality audio capture into their products

EK-23033

The EK-23033 series from Knowles Corporation consists of compact omnidirectional electret condenser microphones designed for various audio applications. These microphones are ideal for scenarios requiring high sensitivity and wide frequency response, such as in portable devices, home automation systems, and smart speakers. Their small form factor makes them particularly useful in space-constrained environments where traditional microphones might be too bulky. One thing worth noting is their excellent performance in capturing ambient sound without significant directional bias, making them perfect for applications that need to pick up sounds from all directions equally. Engineers tend to reach for these microphones when they need reliable, low-noise audio capture in a small package. They are also known for their durability and consistent performance across different temperatures and humidity levels, which is crucial for outdoor or industrial applications. If you're working on a project that requires a microphone capable of handling challenging acoustic environments while maintaining high fidelity, the EK-23033 series is definitely worth considering. Their omnidirectional pickup patte

EK-23132

The EK-23132 series from Knowles Corporation is a lineup of compact omnidirectional electret microphones known for their broad frequency response. These microphones are designed to capture sound evenly from all directions, making them ideal for applications where spatial awareness of sound sources is crucial. If you're working on audio systems for surveillance or security, these microphones are a go-to choice due to their ability to pick up sounds from all around without directional bias. They also find their way into consumer electronics like smart speakers and home automation devices, where clear, ambient sound pickup is essential. One thing worth noting is their robust performance across a wide range of frequencies. This makes them particularly useful in environments with varying sound conditions, such as outdoor settings or noisy industrial areas. Engineers tend to reach for this when they need a microphone that can handle a broad spectrum of sounds without requiring frequent calibration or adjustment. Another practical benefit is their small form factor, which allows for discreet placement in devices where space is limited. This is especially valuable in wearable tech or porta

EM-24346

The EM-24346 series from Knowles Corporation is a lineup of compact omnidirectional condenser microphones designed for a variety of audio applications. These microphones are perfect for scenarios where a wide pickup pattern and small form factor are crucial. If you're working on portable devices, such as smartphones or wearable tech, these microphones can significantly enhance audio capture quality without adding bulk. One thing worth noting is their performance in noisy environments; due to their omnidirectional nature, they can still pick up clear audio even when there's significant ambient noise. Engineers tend to reach for this when they need a microphone that can handle various sound sources equally well, making them ideal for conference calls, voice assistants, and general mobile device audio enhancements. Another practical use case is in home automation systems where a compact and sensitive microphone is needed to accurately detect voice commands from different directions in a room. Overall, the EM-24346 series offers a balanced approach between size and functionality, making them a go-to choice for many audio engineers and system designers

EM-24368

The EM-24368 series from Knowles Corporation is a compact line of omnidirectional analog microphones designed specifically for portable devices. These microphones are ideal for applications requiring high sensitivity and low noise performance in a small form factor. If you're working on wearable tech, smart speakers, or any device that needs to capture clear audio in a compact package, these microphones are a great fit. One thing worth noting is their ability to maintain consistent performance across a wide range of temperatures, which is crucial for portable devices that might be used in various environmental conditions. Engineers tend to reach for this when they need a microphone that can handle the rigors of mobile use without compromising on sound quality. Another practical aspect is their robustness; they can withstand the physical stresses often encountered in portable devices, such as drops or vibrations, making them a reliable choice for ruggedized applications