SPK ELECTRONICS CO., LTD.
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Products
Condenser Microphone
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Description
We offer professional Condenser Microphone with reasonable price.
Specification
MODEL | SENSITIVITY | RL/VOLTAGE |
---|---|---|
EM-4F-1 | -60dB ±3dB | 1 Kohm 3V |
EM-4F-2 | -64dB ±3dB | 1 Kohm 3V |
EM-4F-3 | -62dB ±3dB | 1 Kohm 3V |
EM-4F-4 | -62dB ±3dB | 2.2 Kohm 3V |
EM-4F-5 | -64dB ±3dB | 2.2 Kohm 3V |
EM-4F-6 | -64dB ±3dB | 1 Kohm 6V |
EM-4F-7 | -58dB ±3dB | 2.2 Kohm 4.5V |
EM-4F-8 | -62dB ±3dB | 2.2 Kohm 4.5V |
CIRCUIT DIAGRAM | TYPTCAL FREQUENCY RESPONSE CURVE |
---|---|
System | Electret Condenser Microphone |
Sensitivity | EM-4F-1 ~ 4F-8 (0dB=1V/μbar at 1,000Hz) |
Directionality | Omni-directional |
Frequency Response | Refer to the Response Curve |
Working Voltage Range | DC 1V ~ 9V |
Standard Working Voltage | DC 3V ~ 6V |
Current Drain | 800μA Max |
Weight | 1g |
Signal/Noise Ratio | More than 40 dB |
Max. Input Sound Pressure | 120dB SPL |
ELECTRET CONDENSER MICROPHONE UNIT
MATSUSHITA NO. | SPK MODEL NO. | TERMINAL | SENSITIVITY | RL | VOLT | DIRECTIONALITY | DIMENSION |
---|---|---|---|---|---|---|---|
WM-034BX | EM-4F-34P | PIN TYPE | -66dB ±3dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034BY | EM-4F-8P | PIN TYPE | -62dB ±3dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034BZ | EM-4F-7P | PIN TYPE | -58dB ±3dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
EM-4F-3P | PIN TYPE | -62dB ±3dB | 1.0Kohm | 3.0V | OMNI-DIRECTION | 9.7D x 6.7H | |
WM-034BX102 | EM-4F-34PS | PIN TYPE | -66dB ±2dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034BY102 | EM-4F-8PS | PIN TYPE | -62dB ±2dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034BZ102 | EM-4F-7PS | PIN TYPE | -58dB ±2dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
EM-4F-3PS | PIN TYPE | -62dB ±2dB | 1.0Kohm | 3.0V | OMNI-DIRECTION | 9.7D x 6.7H | |
WM-034CX | EM-4F-34 | SOLDER TYPE | -66dB ±3dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034CY | EM-4F-8 | SOLDER TYPE | -62dB ±3dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034CZ | EM-4F-7 | SOLDER TYPE | -58dB ±3dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
EM-4F-3 | SOLDER TYPE | -62dB ±3dB | 1.0Kohm | 3.0V | OMNI-DIRECTION | 9.7D x 6.7H | |
WM-034CX102 | EM-4F-34S | SOLDER TYPE | -66dB ±2dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034CY102 | EM-4F-8S | SOLDER TYPE | -62dB ±2dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034CZ102 | EM-4F-7S | SOLDER TYPE | -58dB ±2dB | 2.2Kohm | 4.5V | OMNI-DIRECTION | 9.7D x 6.7H |
EM-4F-3S | SOLDER TYPE | -62dB ±2dB | 1.0Kohm | 3.0V | OMNI-DIRECTION | 9.7D x 6.7H | |
WM-034DL | EM-4F-3S | SOLDER TYPE | -66dB ±2dB | 1.5Kohm | 1.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034DM | EM-4F-12S | SOLDER TYPE | -64dB ±2dB | 1.5Kohm | 1.5V | OMNI-DIRECTION | 9.7D x 6.7H |
WM-034DH | EM-4F-33S | SOLDER TYPE | -62dB ±2dB | 1.5Kohm | 1.5V | OMNI-DIRECTION | 9.7D x 6.7H |
EM-5S | SOLDER TYPE | -65dB ±4dB | 2.2Kohm | 1.5V | OMNI-DIRECTION | 6.0D x 2.7H | |
WM-063X | EM-6BN | SOLDER TYPE | -66dB ±3dB | 2.2Kohm | 2.0V | OMNI-DIRECTION | 6.0D x 5.0H |
WM-063T | EM-6BN | SOLDER TYPE | -64dB ±3dB | 2.2Kohm | 2.0V | OMNI-DIRECTION | 6.0D x 5.0H |
WM-063Y | EM-6BN-2 | SOLDER TYPE | -62dB ±3dB | 2.2Kohm | 2.0V | OMNI-DIRECTION | 6.0D x 5.0H |
WM-56A103 | EM-20-70 | SOLDER TYPE | -70dB ±4dB | 680Kohm | 1.5V | UNI-DIRECTION | 9.7D x 5.0H |
WM-55A103 | EM-20-67 | SOLDER TYPE | -67dB ±4dB | 680Kohm | 1.5V | UNI-DIRECTION | 9.7D x 5.0H |
WM-65A103 | UEC-6 | SOLDER TYPE | -70dB ±4dB | 2.2Kohm | 2.0V | UNI-DIRECTION | 6.0D x 5.0H |
About Us
Welcome to SPK Electronics Co., Ltd., an industry leader with over 30 years of experience in manufacturing, OEM, and ODM electronic components. As the authorized agent of Seiko Epson for all frequency products, we specialize in providing cutting-edge solutions for a wide range of applications.
Our comprehensive product line includes quartz crystal units, crystal oscillators, VCXO, TCXO, VCO, OCXO, crystal, SAW, and ceramic filters, resonators, R.T.C., dielectric GPS patch antennas, filters, and resonators. We support various technologies such as GPS, GSM, 4G, 5G, WiFi, Bluetooth, notebook, e-book, cellular phones, Wireless LAN, mobile communication, audio products, and medical equipment.
At SPK, we take pride in our commitment to performance enhancement, continuous quality improvement, and customer satisfaction. Founded in September 1987 by Mr. Bor Chung Chang, SPK Electronics Co., Ltd., has deep roots in the industry. Our team consists of seasoned professionals with decades of experience in sales and engineering, many of whom previously worked at QUARTEK Technology Co., Ltd., under the leadership of Chairman B. C. Chang.
Drawing from our extensive expertise and resources, we provide products that enable semi-finished and finished GPS technologies. From antennas and modules for GPS, GSM, GPRS, Wifi, Glonass, and Bluetooth to GPS receivers, trackers, handheld devices, and AVL solutions, we offer a wide range of OEM and ODM services.
In addition to frequency-controlled products, we also specialize in touch panel screens, LCD connectors, cable assemblies, LEDs, relays, switches, buzzers, condenser microphone units, ceramic surge arresters, capacitors, LCD controllers, ICs, and more.
At SPK Electronics Co., Ltd., we are dedicated to meeting your product roadmaps and serving as your trusted partner for innovation. Experience our superior quality, comprehensive product offerings, and exceptional customer service today.
Business Type: Manufacturer/OEM
Main Products
Crystal, Oscillator, tcxo vcxo GPS Antenna, GPS receiver Module, Crystal Filter, Ceramic Filter, Resonator, Capacitor, Relay, Switch, Microphone, Buzzer, LED, GPS Antennas, GPS Modules, GPS Filter, IC, GPS, Touch Panel Screen, Bluetooth, LCD, GPS Tracker