![](https://static.wixstatic.com/media/nsplsh_4852796a45544c38374767~mv2_d_4896_3264_s_4_2.jpg/v1/fill/w_1920,h_1280,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/nsplsh_4852796a45544c38374767~mv2_d_4896_3264_s_4_2.jpg)
F.S.T SPEAKERS
Since 1966
![Speakers](https://static.wixstatic.com/media/ca94629a96ab4f77865f20a787f7f843.jpg/v1/fill/w_244,h_305,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ca94629a96ab4f77865f20a787f7f843.jpg)
Microspeakers
The size of a microspeaker can vary, but it is typically no larger than a few centimeters in diameter. Despite their small size, microspeakers can produce clear and high-quality audio when designed and engineered correctly.
![Concrete Wall](https://static.wixstatic.com/media/11062b_7b04f6da292946ba9a1ec9128b12c6ed~mv2.jpg/v1/fill/w_1176,h_681,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_7b04f6da292946ba9a1ec9128b12c6ed~mv2.jpg)
![ND02707T.04O-C (FRONT).jpg](https://static.wixstatic.com/media/64be37_d12f7f78df7846d7957eb87220695e14~mv2.jpg/v1/fill/w_483,h_326,al_c,q_80,usm_1.20_1.00_0.01,enc_avif,quality_auto/ND02707T_04O-C%20(FRONT).jpg)
ND02707T.04O-C
Designed to produce sound at high frequencies and at low power level. This tweeter contains plastic frame, silk diaphragm and neodymium magnet.
![ND02707T.04O-C (BACK).jpg](https://static.wixstatic.com/media/64be37_3cc792ffc0fd4c8d96cdaf52b39695a3~mv2.jpg/v1/fill/w_478,h_326,al_c,q_80,usm_1.20_1.00_0.01,enc_avif,quality_auto/ND02707T_04O-C%20(BACK).jpg)
Specifications
Size : 27mm
Weight : 19.7g
Nominal (Maximum) Input : 3W (5W)
Impedance : 4ohm
Sensitivity : 83 ± 2dB (1W/1m)
Resonant Frequency : 1500 ± 300Hz (1V)
![ND05501A.08Q-C (FRONT).jpg](https://static.wixstatic.com/media/64be37_25564f89c21842a293ac7fd81937b156~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND05501A_08Q-C%20(FRONT).jpg)
ND05501A.08Q-C
Designed and engineered correctly to produce clear and high-quality audio. This loudspeaker contains plastic frame, paper diaphragm and neodymium magnet.
![ND05501A.08Q-C (BACK).jpg](https://static.wixstatic.com/media/64be37_52c0827cb0674a94ad0c7f66e0bd84c2~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND05501A_08Q-C%20(BACK).jpg)
Specifications
Size : 55mm
Weight : 56g
Nominal (Maximum) Input : 5W (7W)
Impedance : 8ohm
Sensitivity : 83 ± 2dB (1W/1m)
Resonant Frequency : 140 ± 30Hz (1V)
![Concrete Wall](https://static.wixstatic.com/media/11062b_7b04f6da292946ba9a1ec9128b12c6ed~mv2.jpg/v1/fill/w_1176,h_681,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_7b04f6da292946ba9a1ec9128b12c6ed~mv2.jpg)
![ND05502A.04Q-C ((SIDE)).jpg](https://static.wixstatic.com/media/64be37_8209a3d2db5b4d868f14862658a5d7cd~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND05502A_04Q-C%20((SIDE)).jpg)
ND05502A.04Q-C
Typically used in portable electronic devices where space is limited and pleasant sound production is required. This loudspeaker contains plastic frame, paper diaphragm and neodymium magnet.
![ND05502A.04Q-C (BACK).jpg](https://static.wixstatic.com/media/64be37_167ab2eb614147f59c3c60a5376c2ffc~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND05502A_04Q-C%20(BACK).jpg)
Specifications
Size : 55mm
Weight : 66.7g
Nominal (Maximum) Input : 5W (10W)
Impedance : 4ohm
Sensitivity : 82 ± 2dB (1W/1m)
Resonant Frequency : 140 ± 28Hz (1V)
![ND05503A.04Q-C (FRONT).jpg](https://static.wixstatic.com/media/64be37_f936ea59f1544ba5bc3de03372644509~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND05503A_04Q-C%20(FRONT).jpg)
ND05503A.04Q-C
Constructed using lightweight materials and designed to be energy-efficient. This loudspeaker contains plastic frame, paper with rubber edge diaphragm and neodymium magnet.
![ND05501A.08Q-C (BACK).jpg](https://static.wixstatic.com/media/64be37_52c0827cb0674a94ad0c7f66e0bd84c2~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND05501A_08Q-C%20(BACK).jpg)
Specifications
Size : 55mm
Weight : 70.2g
Nominal (Maximum) Input : 5W (10W)
Impedance : 4ohm
Sensitivity : 81 ± 2dB (1W/1m)
Resonant Frequency : 120 ± 24Hz (1V)
![Concrete Wall](https://static.wixstatic.com/media/11062b_7b04f6da292946ba9a1ec9128b12c6ed~mv2.jpg/v1/fill/w_1176,h_681,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_7b04f6da292946ba9a1ec9128b12c6ed~mv2.jpg)
![ND06200A.08Q-C ((FRONT)).jpg](https://static.wixstatic.com/media/64be37_0cce98d60a33426dbe1ffa23a871b7fe~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND06200A_08Q-C%20((FRONT)).jpg)
ND06200A.08Q-C
Waterproof or water-resistant is ideal for use in outdoor environments or devices that may be exposed to water. This loudspeaker contains steel frame, paper with rubber edge diaphragm and neodymium magnet.
![ND06200A.08Q-C (BACK).jpg](https://static.wixstatic.com/media/64be37_59cd90b768a14847a0dc1e6ac23a50e0~mv2.jpg/v1/fill/w_326,h_326,al_c,q_80,usm_0.66_1.00_0.01,enc_avif,quality_auto/ND06200A_08Q-C%20(BACK).jpg)
Specifications
Size : 62mm
Weight : 240g
Nominal (Maximum) Input : 20W (30W)
Impedance : 8ohm
Sensitivity : 76 ± 3dB (1W/1m)
Resonant Frequency : 84 ± 15Hz (1V)