The SPK0641HT4H-1 is a miniature, high-performance, low power, top port silicon digital microphone
with a single-bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology,
the SPK0641HT4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta
modulator. These devices are suitable for applications such as cellphones, smart phones, laptop
computers, sensors, digital still cameras, portable music recorders, and other portable electronic
devices where excellent wideband audio performance and RF immunity are required. The high
Signal-to-Noise Ratio (SNR) of the SPK0641HT4H-1 enhances the performance of far-field
applications and many complex, multi-microphone algorithms. In addition, the SPK0641HT4H-1 offers
multiple performance modes.

The SPH0641LM4H-1 is a miniature, high-performance, low power,
bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonic™ MEMS technology,
the SPH0641LM4H-1 consists of an acoustic sensor, a low noise input
buffer, and a sigma-delta modulator. These devices are suitable for
applications such as cellphones, smart phones, laptop computers,
sensors, digital still cameras, portable music recorders, and other
portable electronic devices where excellent wideband audio
performance and RF immunity are required. In addition, the
SPH0641LM4H-1 offers multiple performance modes.

The SPW0878LR5H-1 is a miniature, high-performance, single end to differential mode, matched sensitivity bottom port silicon microphone. Using Knowles’ proven high performance SiSonic MEMS technology, the SPW0878LR5H-1 consists of an acoustic sensor, a low-noise input buffer, and an output amplifier. These devices are suitable for applications such as cellphones, smart phones, laptop computers and other portable electronic devices. The microphone has a flat frequency response with low phase distortion for superior noise cancelling algorithm performances. Its high AOP provides large, distortion free dynamic range.

The SPK0641HT4H-1 is a miniature, high-performance, low power, top port silicon digital microphone
with a single-bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology,
the SPK0641HT4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta
modulator. These devices are suitable for applications such as cellphones, smart phones, laptop
computers, sensors, digital still cameras, portable music recorders, and other portable electronic
devices where excellent wideband audio performance and RF immunity are required. The high
Signal-to-Noise Ratio (SNR) of the SPK0641HT4H-1 enhances the performance of far-field
applications and many complex, multi-microphone algorithms. In addition, the SPK0641HT4H-1 offers
multiple performance modes.

The SPH1642HT5H-1 is a miniature, high-performance, low power,
matched sensitivity top port silicon microphone. Using Knowles’
proven high performance SiSonic™ MEMS technology, the
SPH1642HT5H-1 consists of an acoustic sensor, a low noise input
buffer, and an output amplifier. These devices are suitable for
applications such as cellphones, smart phones, laptop computers,
sensors, digital still cameras, portable music recorders, and other
portable electronic devices where excellent wideband audio
performance and RF immunity are required.

The Knowles AISonic™ Audio Edge Processor IA8201
is a high-performance, ultra-low power audio-centric
OpenDSP supporting up to 4 mics, multiple high
speed interfaces and GPIOs in two package options
(eWLB and QFN).

The Knowles AISonic™ Audio Edge Processor IA8201CQ
is a high-performance, ultra-low power audio-centric
OpenDSP supporting up to 4 mics, multiple high
speed interfaces and GPIOs in two package options
(eWLB and QFN).

The Knowles AISonic™ Audio Edge Processor IA8201BC
is a high-performance, ultra-low power audio-centric
OpenDSP supporting up to 4 mics, multiple high
speed interfaces and GPIOs in two package options
(eWLB and QFN).

The SPW0690LM4H-1 is a miniature, high-performance, low power,
bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonic™ MEMS technology,
the SPW0690LM4H-1 consists of an acoustic sensor, a low noise input
buffer, and a sigma-delta modulator. These devices are suitable for
applications such as cellphones, smart phones, laptop computers,
sensors, digital still cameras, portable music recorders, and other
portable electronic devices where excellent wideband audio
performance and RF immunity are required. In addition, the
SPW0690LM4H-1 offers multiple performance modes.

The SPH0690LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output using Knowles’ proven high performace SiSonic MEMS technology

The SPH0645LM4H-1 is a miniature, low power, bottom port microphone with an I2S digital output. The solution consists of a proven high performance SiSonic™ acoustic sensor, a serial Analog to Digital convertor, and an interface to condition the signal into an industry standard 24-bit I2S format.

The I2S interface simplifies the integration in the system and allow direct interconnect to digital processors, application processors and microcontrollerss. Saving the need of an external audio codec, the SPH0645LM4H-1 is perfectly suitable for portable applications where size and power consumption are a constraint.

The SPV0842LR5H-1 is a miniature, high-performance, low power,
matched sensitivity bottom port silicon microphone. Using Knowles’
proven high performance SiSonic™ MEMS technology, the
SPV0842LR5H-1 consists of an acoustic sensor, a low noise input
buffer, and an output amplifier. These devices are suitable for
applications such as cellphones, smart phones, laptop computers,
sensors, digital still cameras, portable music recorders, and other
portable electronic devices where excellent wideband audio
performance and RF immunity are required.

The SPV1840LR5H-B is a miniature, highperformance, low power, bottom port
silicon microphone. Using Knowles’ proven
high performance SiSonicTM MEMS
technology, the SPV1840LR5H-B consists of
an acoustic sensor, a low noise input buffer,
and an output amplifier. These devices are
suitable for applications such as cellphones,
smart phones, laptop computers, sensors,
digital still cameras, portable music
recorders, and other portable electronic
devices where excellent wideband audio
performance and RF immunity are required.

The SPH0644LM4H-1 is a miniature, high-performance, low power,
bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonicTM MEMS
technology, the SPH0644LM4H-1 consists of an acoustic sensor, a low
noise input buffer, and a sigma-delta modulator. These devices
are suitable for applications such as cellphones, smart phones, laptop
computers, sensors, digital still cameras, portable music recorders, and
other portable electronic devices where excellent wideband audio
performance and RF immunity are required. In addition, the
SPH0644LM4H-1 offers multiple performance modes.

The SPU0410LR5H-QB is a miniature, highperformance, low power, bottom port
silicon microphone. Using Knowles’ proven
high performance SiSonicTM MEMS
technology, the SPU0410LR5H-QB consists
of an acoustic sensor, a low noise input
buffer, and an output amplifier. These
devices are suitable for applications such as
cellphones, smart phones, laptop
computers, sensors, digital still cameras,
portable music recorders, and other
portable electronic devices where excellent
wideband audio performance and RF
immunity are required.

The SP0410HR5H-PB is a miniature, highperformance, low power, top port silicon
microphone. Using Knowles’ proven high
performance SiSonicTM MEMS technology,
the SPU0410HR5H-PB consists of an
acoustic sensor, a low noise input buffer,
and an output amplifier. These devices are
suitable for applications such as cellphones,
smart phones, laptop computers, sensors,
digital still cameras, portable music
recorders, and other portable electronic
devices where excellent wideband audio
performance and RF immunity are required.

The SPK0838HT4H-1 is a miniature, high-performance, low power, top port silicon digital microphone with a single-bit PDM output. Using Knowles’ proven high performance SiSonic MEMS technology, the SPK0838HT4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator.

The SPH0644LM4H-1 is a miniature, high-performance, low power,
bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonicTM MEMS
technology, the SPH0644LM4H-1 consists of an acoustic sensor, a low
noise input buffer, and a sigma-delta modulator. These devices
are suitable for applications such as cellphones, smart phones, laptop
computers, sensors, digital still cameras, portable music recorders,and
other portable electronic devices where excellent wideband audio
performance and RF immunity are required. In addition, the
SPH0644LM4H-1 offers multiple performance modes.

Knowles’ balanced armature technology platform uplifts the design and development of receivers for more advanced hearing aid solutions. Precise, custom-crafted performance is facilitated by such proprietary design possibilities as Pantograph™ higher audio output, Ferrofluid™ damping, Wide Bandwidth for high-frequency hearing loss, D-Amp™ internal power management, and Vibration Isolation for superior gain-before-feedback.

Knowles’ balanced armature technology platform uplifts the design and development of receivers for more advanced hearing aid solutions. Precise, custom-crafted performance is facilitated by such proprietary design possibilities as Pantograph™ higher audio output, Ferrofluid™ damping, Wide Bandwidth for high-frequency hearing loss, D-Amp™ internal power management, and Vibration Isolation for superior gain-before-feedback.

Knowles’ balanced armature technology platform uplifts the design and development of receivers for more advanced hearing aid solutions. Precise, custom-crafted performance is facilitated by such proprietary design possibilities as Pantograph™ higher audio output, Ferrofluid™ damping, Wide Bandwidth for high-frequency hearing loss, D-Amp™ internal power management, and Vibration Isolation for superior gain-before-feedback.

Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.

Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.

Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.

Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.

Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.

Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.