Size Ø40~Ø49mm Speaker

Well-developed manufacturer of Dynamic Speaker
Ariose Electronics Co., Ltd is a professional manufacturer of Micro Speaker, Dynamic Speaker and Earphone Speaker.
We constantly improve our techniques and upgrade technology to provide the best product to our customers.
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LF-K4070B30B,Micro Speaker
LF-K4070B30B
Micro Speaker
Nominal Impedance 8 Ω ± 15%
Resonant frequency 270Hz ± 20%
Frequency Response Fo ~20KHz
Sound Pressure Level 85 ± 3dB / average: 200Hz~3,000Hz
Input 2.83Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 3.0W / 4.0W
Distortion Less than 5% at 1KHz / input 3.0W
Operating Temp range -20 ℃ ~ +60 ℃
LF-K4070D30A,Micro Speaker
LF-K4070D30A
Micro Speaker
Nominal Impedance 32 Ω ± 15%
Resonant frequency 300Hz ± 20%
Frequency Response Fo ~20KHz
Sound Pressure Level 85 ± 3dB / average: 800Hz~3,000Hz
Input 5.65Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 3.0W / 4.0W
Distortion Less than 5% at 1KHz / input 3.0W
Operating Temp range -20 ℃ ~ +60 ℃
LF-K40A065A,Micro Speaker
LF-K40A065A
Micro Speaker
Nominal Impedance 4 Ω ± 15% at 1KHz
Resonant frequency 310Hz ± 100Hz
Frequency Response Fo ~20KHz
Sound Pressure Level 83 ± 3dB / average: 300Hz~3,000Hz
Input 2.83Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 1.5W / 2.0W
Distortion Max. 5% at 1KHz / input 1.5W
Operating Temp range -20 ℃ ~ +85 ℃
LF-K40B050H,Micro Speaker
LF-K40B050H
Micro Speaker
Nominal Impedance 8 Ω ± 15%
Resonant frequency 600Hz ± 20%
Effective Freq. Range Fo ~ 2KHz
Sound Pressure Level 85 ± 3dB / input 2.83Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 1.5W / 2.0W
Distortion Less than 5% at 1KHz / input 1.5W
Operating Temp range -20 ℃ ~ +60 ℃
LF-K40B58A,Micro Speaker
LF-K40B58A
Micro Speaker
Nominal Impedance 8Ω ± 15% 
Resonant frequency 430Hz ± 20%
Frequency Response Fo ~5KHz
Sound Pressure Level 94 ± 3dB / average: 400Hz~4,000Hz
Input 1.41Vrms sine wave at 10cm
Input Power ( Nom. / Max. ) 0.25W / 0.4W
Distortion Less than 5% at 1KHz / input 0.25W
Operating Temp range -20 ℃ ~ +60 ℃
LF-K40B65A,Micro Speaker
LF-K40B65A
Micro Speaker
Nominal Impedance 8Ω ± 15% 
Resonant frequency 450Hz ± 150Hz
Frequency Response Fo ~20KHz
Sound Pressure Level 83 ± 3dB / average: 400Hz~3,000Hz
Input 2.0Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 0.5W / 1.0W
Distortion Less than 5% at 1KHz / input 0.5W
Operating Temp range -20 ℃ ~ +85 ℃
LF-K40B65B,Micro Speaker
LF-K40B65B
Micro Speaker
Nominal Impedance 8 Ω ± 15%
Resonant frequency 310Hz ± 15%
Effective Freq. Range Fo ~ 20KHz
Sound Pressure Level 84 ± 3dB / input 2.83Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 1.5W / 2.0W
Distortion Less than 5% at 1KHz / input 1.5W
Operating Temp range -40 ℃ ~ +85 ℃
LF-K40B65B-004,動圈式喇叭 Micro Speaker
LF-K40B65B-004
Micro Speaker
Nominal Impedance 8 Ω ± 15%
Resonant frequency 310Hz ± 15%
Frequency Response Fo ~20KHz
Sound Pressure Level 84 ± 3dB / average: 300Hz~8,000Hz
Input 2.83Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 1.5W / 2.0W
Distortion Less than 5% at 1KHz / input 1.5W
Operating Temp range -40 ℃ ~ +85 ℃
LF-K40C65A,Micro Speaker
LF-K40C65A
Micro Speaker
Nominal Impedance 16Ω ± 15%
Resonant frequency 450Hz ± 150Hz
Frequency Response Fo ~20KHz
Sound Pressure Level 81 ± 3dB / average: 600Hz~3,000Hz
Input 2.83Vrms sine wave at 50cm
Input Power ( Nom. / Max. ) 0.5W / 1.0W
Distortion Less than 10% at 1KHz / input 0.5W
Operating Temp range -20 ℃ ~ +85 ℃