SY-ST50-04-03W7.5H

1、 SOUND PRESSURE LEVEL（声压等级）       96±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

SY-SP3008-03W5.7H

1、 SOUND PRESSURE LEVEL（声压等级）       96±3dB SPL @800,,1000,1200,1500Hz AVE (0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、 IMPEDANCE（阻抗）: 8±15% Ω(@ 1KH

SY-SP2415-08-06W3.3H

1、 SOUND PRESSURE LEVEL（声压等级）97±3dB SPL @1000,1200,1500,2000Hz 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）:0.8W. MAX POW

SY-SP2415-08-05W3.2H

1、 SOUND PRESSURE LEVEL（声压等级）       95±3dB SPL @1000,1200,1500,2000Hz AVE (0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、 IMPEDANCE（阻抗）: 8±15% Ω(@ 1KH

SY-SP1506-08-01W2.5H

1、 SOUND PRESSURE LEVEL（声压等级）       98±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)Measuring condition:0.1W(Sine wave) 0.05m measured2、 IMPEDANCE（阻抗）: 8±15% Ω(@ 1KH

SY-SP1407-08-01W3.0H

1、 SOUND PRESSURE LEVEL（声压等级）      97±3dB SPL @1000,1200,1500Hz,2000Hz AVE (0dB SPL=20μPa)      Measuring condition:0.1W (Sine wave) 0.05m measur

SY-SP23-08-01W3.8H

1、 SOUND PRESSURE LEVEL（声压等级）      97±3dB SPL @800,1000,1200,1500Hz AVE (0dB SPL=20μPa)      Measuring condition:0.1W (Sine wave) 0.05m measured2

SY-ST28-08-05W5.5H（双耳）

1、 SOUND PRESSURE LEVEL（声压等级）93±3dB SPL @800,1000,1200,1500Hz 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

SY-SP3020-08-02W5.0H

1、 SOUND PRESSURE LEVEL（声压等级）100±3dB SPL @800,1000,1200,1500Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP3020-08-01W4.6H

1、 SOUND PRESSURE LEVEL（声压等级）97±3dB SPL @800,1000,1200,1500Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measure

SY-SP2809-08-01W3.2H

1、 SOUND PRESSURE LEVEL（声压等级）95±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP2415-08-03W3.4H

1、 SOUND PRESSURE LEVEL（声压等级）105±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measu

SY-SP2415-08-02W3.7H

1、 SOUND PRESSURE LEVEL（声压等级）105±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measu

SY-SP2415-08-01W3.2H

1、 SOUND PRESSURE LEVEL（声压等级）103±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measu

SY-SP2209-08-01W3.2H

1、 SOUND PRESSURE LEVEL（声压等级）97±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP2014-08-04W3.0H

1、 SOUND PRESSURE LEVEL（声压等级）96±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP2014-08-03W3.0H

1、 SOUND PRESSURE LEVEL（声压等级）96±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measur

SY-SP2014-08-02W3.0H

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-SP2014-08-01W3.2H

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-SP1813-08-02W3.7H

1、 SOUND PRESSURE LEVEL（声压等级）100±3dB SPL @1000,1200,1500，2000Hz AVE (0dB SPL=20μPa)        Measuring condition: 0.1W (Sine wave) 0.05m measu