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- Since 1946 Knowles has helped designers find more ways to put better technology to work for their customers. Knowles is a market leader and global supplier of advanced micro-acoustic, specialty components, and human interface solutions in the mobile communications, consumer electronics, medical technology, and other industrial end markets. Knowles’ deep experience and rigorous testing delivers consistently dependable and precise products including speakers and microphones for hearing health products, premium music earphones, communications headsets, and industrial acoustic applications. Knowles MEMS (micro-electro-mechanical systems) microphones and micro-speakers are widely used in smartphones, tablets, notebooks, and other portable devices.
Headquartered in Itasca, Illinois, and publicly traded on the NYSE under the symbol “KN”, Knowles has more than 10,000 employees in 37 locations worldwide includes design centers in Europe, Asia and North America. All manufacturing facilities are ISO-9001 certified, with some additionally certified to ISO-14001 or OHSAS-18001. The Knowles Quality Management System ensures design, integrity, efficient manufacturing and the cost effective on-time delivery of their products.
GV-32830-000 Quad Balanced Armature Driver
Knowles 4-way driver contains four drivers (speakers) with a 3-way crossover composed of HODVTEC woofer and TWFK mid-range/tweeter.
GU-32829-000 Dual-Balanced Armature Driver
Knowles' GU-32829-000 dual-balanced armature driver produces a broad bandwidth and much clearer output than a single driver.
SPH1642HT5H-1 Top Port Silicon Microphone
Knowles' SPH1642HT5H-1 is a miniature, high-performance, low power, top port silicon microphone.
I²S Output Digital Microphone
Knowles' SPH0645LM4H-B is perfectly suitable for portable applications where size and power consumption are a constraint.
Digital Zero-Height SiSonic™ Microphone
Knowles' SPH0641LU4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output.
TM Series Microphones
The TM provides the best combination of performance and size.
Duration: 5 minutes
Digital microphones provide an upside to end applications and enable intelligent audio solutions with the introduction of Knowles’ multi-mode microphones.
Using Dynamic Speakers and Balanced Armature Drivers in In-Ear Wearables
Digi-Key, Knowles, PTM, tutorial, speakers, drivers, armature driver, in-ear wearable.
Measuring Frequency Response of Balanced Armature Drivers and Earphones
Duration: 10 minutes
General characteristics of different measurement methods, the advantages and limitations of each, and trying to understand an earphone’s frequency response.
Ultrasonic Applications for Knowles Electret and MEMS Microphones
This tutorial will discuss the general characteristics of certain Knowles microphones in the ultrasonic band.
The balanced armature advantage
An overview of the benefits of balanced armature technology for today's demanding devices.
The future of portable audio
See how balanced armature is poised as the driver of choice for the premium sound revolution in earphones and in-ear wearables.
What is Balanced Armature?
What is Balanced Armature technology and Headphone applications
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