"MMO359767JNN-ASW01
*Directional characteristic: Omni-directional
*Sensitivity (@f=1kHz, Pin=1Pa, 0dB=1V/Pa): -35±2dB
*Output impedance (@f=1KHz, RL=2.2KΩ): 2.2kΩ
*S/N ratio (@f=1KHz, pin=1Pa, A weighted curve): 67dB (minimum)
*Maximum input sound pressure level [MISPL] (@f=1KHz): 110dB
*Standard operating voltage: 2V DC
*Operating voltage range: 1-10V DC
*Decrease voltage characteristics (@f=1KHz, Pin=1Pa, Vcc=3.0 to 2.0V DC): -3dB (minimum)
*Current consumption [IDSS] (RL=2.2KΩ, Vcc=2V DC): 500μA (maximum)"

"MMO424015LRC-AS003   
*Directional Characteristic Omni-Directional －
*Sensitivity -41.5±2 dB
*Impedance 2.2(Max) kΩ
*S/N Ratio ( A weighted network) 65(Min) dB
*Maximum Input Sound Pressure Level 100dB THD≤3%
*Standard Operating Voltage 2.0 Vdc
*Operating Voltage Range 1.0~10.0 Vdc
*Decrease Voltage Characteristics(Vs=2.0 to 1.5V dc) -3(Max) dB
*Current Consumption 500 μA"

"MMU351045TNC-AS002"   
*Directional Characteristic Uni-directional
*Sensitivity -35±2@1kHz dB
*Impedance 2.2(Max) kΩ
*S/N Ratio ( A weighted network) 70(Min) dB
*Maximum Input Sound Pressure Level(THD≤5%) 110(Max) dB
*Standard Operating Voltage 3 Vdc
*Distortion (THD≤1%)@94dB@1kHz
*Operating Voltage Range 1.1~10.0 Vdc
*Decrease Voltage Characteristics(Vs=3.0 to 2V dc) -3(Max) dB
*Current Consumption 500(Max) μA"

MBBP3916PC-LH002  
*Rated Voltage (VDC) 12
*Operating Voltage(VDC) 7~15
*Rated Current(mA) ≤30
*Sound Output at 30cm(dB) ≥104 / 300cm≥85
*Resonance Frequency (Hz) 3200±500
*Operating Temperature(℃) -30～+70
*Storage Temperature(℃) -30～+80
*Weight (g) 9.1

MBTP1512R-LH001   
*Input Voltage (Vp-p): 30 max
*Resonant Frequency (KHz): 4.0±0.5
*Resonant Impedance (Ω): 500 max
*Capacitance 120Hz (PF): 28000±30%
*Ceramic plate diameter(d) (mm):  Φ12±0.3
*Silver plate diameter(d1) (mm):  Φ11±0.3   *Metal plate diameter(D) (mm): Φ15±0.2   *Metal plate Thickness(t) (mm): 0.06±0.02
*Piezo Element Thickness(T) (mm): 0.125±0.03
*Protection Grade IPX7

"MBTE5020S3-LH002   
*Rated Voltage (V) : 3
*Operating Voltage (V) : 2～5
*Current Consumption (mA) : ≤100
*Coil Resistance (Ω) : 12±2
*Sound Output at 10cm (dB) : ≥80
*Resonant Frequency (Hz) : 4000
*Operating Temperature (℃) : -40～+105
*Storage Temperature (℃) : -40～+120
*Weight (g) : 0.12 "

"MR404012CT-QS001 
*Dimension: Φ39.9 * 8.3 t  [mm]
*Weight: 16g
*Rated Input Power: 10mW
*Short Term Max Input Power: 40mW
*Rate Impedance: 32 Ω ± 15% at 1KHz / 1V
&Sound Pressure Level (S.P.L.): 115dB ± 3dB at1KHz / 0.179V
*Total Harmonic DistortionLess than : 5% at 1KHz / 0.179V "

"MS282808CC-SW001
*Dimensions: Ø 28* 5.4T [mm]
*Rated Impedance: 1.0W
*Short term max input power: 1.5W
*Rate impedance: 8Ω ± 15% at 1kHz 1Vrms
*Sound pressure level (SPL): 93dB ± 3dB at 0.1W/0.1m
*Total harmonic distortion: less than: 5% at 1kHz, 1.0W
*Resonance frequency (FO): 700Hz ± 20%"

"MS313102CT-MA001      
*Dimension : 31*17 H [mm]
*Rated Input Power : 3.0W
*Short Term Max Input Power : 5.0 W
*Rate Impedance : 4Ω ± 15% at 1KHz
*Sound Pressure Level (S.P.L.) : 83dB ± 3dB at 1.0W / 0.5M
*Total Harmonic DistortionLess than : 10% at 1KHz / 0.5W
*Resonance Frequency (FO) : 300Hz ± 20% "

MMA382718901-XGB02  
*Directivity Omni-directional
*Sensitivity( S ) 94dB SPL@1kHz -38 +/-1 dBFS
*Current Consumption (I) 94dB SPL@1kHz 200uA 
*S/N Ratio (SNR) 94dB SPL @1kHz A-Weighted 62 dB
*Total Harmonic Distortion( THD )94dB SPL @1kHz / 0.5 %
*Acoustical Overload Point (AOP) 10% THD @1kHz 125 dBSPL
*Power Supply Rejection (PSR) 100mVpp Square wave @217Hz, A-weighted -100 dBFS

MMA422718903-XGTF1  
*Directivity Omni-directional
*Sensitivity Range S 94dB SPL@1kHz -42+/-3 dB
*Output Impedance( Zout ) 94dB SPL@1kHz 300 Ω
*Current Consumption( I) VDD=80/ 150 uA
*S/N Ratio (SNR) 94dB SPL @1kHz A-Weighted 59 dB(A)
*Operating Voltage (VDD) 1.5/ 2.0/ 3.6 V
*Total Harmonic Distortion (THD) 94dB SPL @1kHz / 0.5 %
*Sensitivity Drop ( △S) 94dB SPL @1kHz VDD=3.6V--1.5V 0.5 dB
*Power Supply Rejection (PSR) 100mVpp Square wave @217Hz, A-weighted -80 dB

MMD263526981-XGB02  
*Directivity Omni-directional
*Sensitivity Range S 94dB SPL@1kHz -26+/-1 dB
*Output Impedance( Zout )94dB SPL@1kHz 300 Ω
*Current Consumption (I DD)Normal mode 650/800 uA
*S/N Ratio (SNR) 94dB SPL @1kHz A-Weighted 65 dB(A)
*Total Harmonic distortion (THD) 94dB SPL @1kHz S=Typ / 0.5 %
*Maximum input S.P.L (AOP) 10% THD @1kHz S=Typ, 120 dB
*Power Supply Rejection (PSR) 100mVpp Square wave @217Hz, A-weighted -95 dB