Knowles Acoustics high precision ultra miniature microphones assembled by Micronic Microphones for use with wide range of body-pack transmitters. Very high quality sound with high accuracy and precision providing premium audio signal. The sound quality is beyond words, you have to hear it to believe it. The difference is incredible even when compared to high end brands like Countryman and Sanken Cos microphones. Used in specialist hearing aids and medical / military equipment. With high EMI and RFI suppression and excellent noise cancelling to provide accurate and clear sound. Reliability is essential when used in live performance requiring sound in pure form. This has become standard requirement for professionals in the TV and Film productions, live theatre, studio recording.
Hundreds of possibilities are applied to these microphones with such high-performance. Perfect for wide range of body-pack transmitter that require premium audio in ultra miniature / sub-miniature form. Solutions include noise canceling, omni-directional and uni-directional performance. Variables include size, shape, amplification, sensitivity, low noise, and resistance to vibration and mechanical shock.
The variations above include 2 options - Microphone and Transmitter Connector. Cable length is 1.5 metre suitable for body worn application.
Also available for use with 3.5mm (TS) Mono and Stereo (TRS) Jack input recorders, sound equipment, DSLR camera and bare end with 2 and 3 wire options. Type 'Knowles' in our search bar above for our full range of availability.
KN25 Sub Miniature Microphone
The most sensitive by 1dB and offers high resistance to mechanical shock movement. Used in extreme situations to withstand severe environmental conditions. Produce excellent audio indoors and outdoors in any noisy or silent environment. Ideal for speech vocals and voice recognition, audio surveillance, hearing aids.
Specifications
- Dimensions: 5.56mm x 3.98mm x 2.21mm (.219in x .157in x .087in)
- Rugged construction to withstand severe environmental conditions
- Output Impedance: 2000Ω Min 3500Ω Nom 6000Ω max
- Full frequency range: 100Hz - 10,000Hz (10kHz)
- Microphone port hole dimension: 2mm diameter
- High resistance to mechanical shock
- Peak frequency: 4800Hz or 4.8kHz
- DC supply requirement: 1.3v-10v
- Directivity: Omnidirectional
- Sensitivity: -52dB @1Khz
- Current drain: 50µA Max
KN-35 Ultra Miniature Microphone
The smallest in range only 2.8mm x 10mm with high sensitivity and resistance to mechanical shock. Use in extreme situations to withstand severe conditions. Produce excellent audio indoors and outdoors in any noisy or silent environment. Ideal for speech, vocals, voice recognition, audio surveillance, hearing aids for precision audio.
Specifications
- Dimensions: 2.8mm diameter x 10mm long (.90in x .400in)
- Rugged construction to withstand severe environmental conditions
- Output Impedance: 2800Ω Min 4400Ω Nom 6800Ω max
- Full frequency range: 100Hz - 10000Hz or 10kHz
- Microphone port hole dimension: 0.7mm diameter
- High resistance to mechanical shock
- Peak frequency: 4800Hz or 4.8kHz
- DC supply requirement: 1.3v-10v
- Directivity: Omnidirectional
- Sensitivity: -53dB @1Khz
- Current drain: 50µA Max
KN-45 (DFG-30445-000) Sub-Miniature Directional Microphone
The smallest Uni-Directional microphone with high sensitivity and resistance to mechanical shock. Use in extreme situations to withstand severe conditions whilst rejecting unwanted background sounds. Produce excellent audio indoors and outdoors in any noisy or silent environment. Ideal for precise speech, vocals, voice recognition, audio surveillance, hearing aids.
Specifications
- Dimensions: 2.8mm diameter x 10mm long (.90in x .400in)
- Rugged construction to withstand severe environmental conditions
- Output Impedance: 2800Ω Min 4400Ω Nom 6800Ω max
- Full frequency range: 100Hz - 10000Hz or 10kHz
- Microphone port hole dimension: 0.7mm diameter
- High resistance to mechanical shock
- Peak frequency: 4800Hz or 4.8kHz
- DC supply requirement: 1.3v-10v
- Directivity: Uni-directional
- Sensitivity: -53dB @1Khz
- Current drain: 50µA Max
KN-94 Miniature Noise Cancelling Microphone
Used in live performance vocals, aviation headset microphones in the most demanding communication, vocal, speech recognition environments. Diaphragm responds to high differential pressure giving high rejection of background noise. Close talking microphone delivers state-of-the-art noise cancelling performance. Not suitable for high sensitivity audio surveillance.
Specifications
- Dimensions: 5.56mm x 3.98mm x 2.21mm (.219in x .157in x .087in)
- Rugged construction to withstand severe environmental conditions
- Output Impedance: 1500Ω Min 2500Ω Nom 3500Ω max
- Full frequency range: 100Hz - 4800Hz or 4.8kHz
- High resistance to mechanical shock
- Peak frequency: Not Applicable
- Flat response throughout range
- DC supply requirement: 1.3v-10v
- Directivity: Directional
- Best noise cancelling
- Sensitivity: -55dB @1Khz
- Current drain: 200µA Max
