SY-SP1609-08-01W3.1H

1、 SOUND PRESSURE LEVEL（声压等级）90±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP1511-08-03W3.0H

1、 SOUND PRESSURE LEVEL（声压等级）99±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP1511-08-01W3.4H

1、 SOUND PRESSURE LEVEL（声压等级）90±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP1208-08-01W2.8H

1、 SOUND PRESSURE LEVEL（声压等级）93±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-ST4020-08-01W5.8H

1、 SOUND PRESSURE LEVEL（声压等级）98±3dB SPL @500,800,1000,1200Hz AVE(0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、 IMPEDANCE（阻抗）: 8±15% Ω(@ 1KHz 1V)3、RATED POWER（额定功率）:2W.  MAX P

SY-SP4030-08-01W6.0H带线复合膜

1、SOUND PRESSURE LEVEL（声压等级）100±3dB SPL @800,1000,1200,1500 Hz AVE (0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、IMPEDANCE（阻抗）: 8±15% Ω(@ 1KHz 1V)3、 RATED POWER（额定功率）:2W. MAX POWE

SY-SP4028-08-01W11.6H带线复合膜

1、SOUND PRESSURE LEVEL（声压等级）100±3dB SPL @800,1000,1200,1500 Hz AVE (0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、IMPEDANCE（阻抗）: 8±15% Ω(@ 1KHz 1V)3、 RATED POWER（额定功率）:2W. MAX POWE

SY-SP1511-08-02W2.5H带线复合膜

1、SOUND PRESSURE LEVEL（声压等级）98±3dB SPL @1000,1200,1500，2000HzAVE(0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、IMPEDANCE（阻抗）: 8±15% Ω(@ 1KHz 1V)3、 RATED POWER（额定功率）:0.5W. MAX POWER

SY-SP2809-08-02W3.3H（本体）三磁

1、 SOUND PRESSURE LEVEL（声压等级）       95±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W&nb

SY-SP1511-08-01

YDP4028-01