AMPLIFIERS - 943 Anuncios

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Domingo 13 octubre 2019

Cantidad : 8000PCS - Precio : 3-50USD

Specification of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier Max Sound Output 125±3dB Noise ON ≤20dB Sound Gain 40±5dB Battery size 3.7V 30mAh Built-in lithium batter Total Harmonic Wave Distortion 500Hz <= 3.1%</span> Working current ≤2.5mA 800Hz ...

Domingo 13 octubre 2019

Cantidad : 30000 Unit - Precio : 5000-50000USD

Are you looking for mobile advertising trailers for sale? DIP LED encapsulation confirm the high brightness even under strong sunlight Good protection level waterproof IP65, anti-corrosion, oxidation resistance, long life span Long viewing distance, High definition, Good uniformity...

Domingo 13 octubre 2019

Cantidad : 30000 Unit - Precio : 5000-50000USD

Are you looking for stage truck for sale? LED advertising roadshow truck aim at the mobile advertising market as a display solution. It is an extension of LED advertising media, used for mobile outdoor advertising, stage background, information media, live matches. The flexibility...

Domingo 13 octubre 2019

Cantidad : 8000pcs - Precio : 3-50

Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier Product name Rechargeable ITE hearing aids sound amplifier Title of commodity/item number Rechargeable hearing aid/JH335 Color Beige/optional colors Frequency range 200Hz-7000Hz Total harmonic wave...

Domingo 13 octubre 2019

Cantidad : 30000 Unit - Precio : 5000-50000USD

Led Truck is also called LED Advertising Truck, LED Billboard Truck, which is mainly design for advertising purpose. LED Advertising Truck include a truck chassis, large screen system, power supply system, and an operating system. It is widely used in publicity, product promotion...

Domingo 13 octubre 2019

Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current Frequency...

Domingo 13 octubre 2019

Cantidad : 8000pcs - Precio : 3-50usd

Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation Current ≤4mA Operation current/mA 6.9 ...

Sábado 14 septiembre 2019

Led Truck is also called LED Advertising Truck, LED Billboard Truck, which is mainly design for advertising purpose. LED Advertising Truck include a truck chassis, large screen system, power supply system, and an operating system. It is widely used in publicity, product promotion...

Sábado 14 septiembre 2019

LED advertising roadshow truck aim at the mobile advertising market as a display solution. It is an extension of LED advertising media, used for mobile outdoor advertising, stage background, information media, live matches. The flexibility to move the electric chassis can lift the screen...

Sábado 14 septiembre 2019

DIP LED encapsulation confirm the high brightness even under strong sunlight Good protection level waterproof IP65, anti-corrosion, oxidation resistance, long life span Long viewing distance, High definition, Good uniformity Brightness can be adjusted automatically according to different...

Miércoles 11 septiembre 2019

Cantidad : 1 - Precio : 600~3000RMB

Overview of loud speaking weatherproof telephone PT-WFSP1 The loud speaking weatherproof telephone is a kind of loud speaking telephone. The loud speaking weatherproof telephone are fully contained with waterproof, vandal resistant housing provides complete protection against the...

Martes 20 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

For analogue hearing aids buy, don't hesitate to contact. A traditional simply makes the sound wave larger to amplify sounds. The conventional analog hearing aids are designed with a specific frequency response based on the listener's audiogram. In turn, the audiologist directs the...

Domingo 18 agosto 2019

The connecting rod hardness eddy current testing machine has a calibration device, input compensation parameters, automatic/manual temperature compensation and light intensity compensation, and automatic temperature measurement and temperature correction. The digital potentiometer...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

Digital hearing aid is a hearing device that receives sound and digitizes it (breaks sound waves up into very small, discrete units) prior to amplification. And it built-in intelligence that allows them to discern between soft, but desirable sounds and louder, but unwanted noise....

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-D10 Digital Trimmer 3 Modes Ear Hook Trimmer Hearing Aids Hearing Amplifier - Max Sound Output 128±3dB Voltage D.C.1.4V Sound Gain 57±5dB Battery Type LR44H/A675 Total Harmonic Wave Distortion 500Hz ＜6% 800Hz ＜4% 1600Hz ＜1% Battery capacity/Mah...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier - Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3%</span> 800HZ<5%</span> 1600HZ<1%</span> Operation Current/mA...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier - Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Noise EIN ≤20dB Sound Gain 40±5dB Battery size 3.7V 30mAh Built-in lithium batter Total Harmonic Wave Distortion 500Hz <= 3.1%</span> Working current ≤2...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

JH-233 Body Worn Pocket Ear Sound Amplifier / Body Level Hearing Aid - Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid - Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah ...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-158 BTE Style Ear Amplifier Cheap Hearing Aids - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current Frequency...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

JH-129 BTE FM Bluetooth Earphone Appearance Ear Zoom Hearing Aid / Hearing Amplifier - Specification of JH-129 BTE FM Bluetooth Earphone Appearance Ear Zoom Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG13 Total...

Viernes 16 agosto 2019

Cantidad : 80000Pcs - Precio : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Sábado 10 agosto 2019

Cantidad : Proofing b - Precio : 200-1500CNY

In order to make electronic communication technology have a higher speed development. High-quality high-speed transmission, many of today's communication equipment have begun to use high-frequency multi-layer PCB. The material of multi-layer high-frequency circuit boards has excellent...

Lunes 08 julio 2019

The feature of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier 1. Modeling exquisite, the button is obvious, easy to operate; 2. Open fit hearing aid can change the ear tube as you need, comfortable wear; 3. Corresponding uncomfortable threshold...

Lunes 08 julio 2019

Features of JH-158 BTE Style Ear Amplifier Cheap Hearing Aids 1. BTE external hearing aid with lightweight is comfortable wearing in either ear; 2. Simple operation for everyone, no matter young and old; 3. Corresponding uncomfortable threshold properly adjust the maximum output,...

Lunes 24 junio 2019

4-Digits LED, Φ80mm SS304 Shell; Dual Relay, Output NONC; Optional 4-20mA or RS485; Intelligent Pressure display and control, alternative for Mechanical Pressure Switch and Gauge together, wield in Industry applications Typical Feature Stainless steel 304 shell, dial diameter Ф80mm...

Lunes 24 junio 2019

4-Digits LED, Φ80mm Plastic Shell; Dual Relay, Output NONC; Set Alarm In Whole Range Intelligent Pressure display and control, alternative for Mechanical Pressure Switch and Gauge together, wield in Industry applications Typical Feature Plastic shell, dial diameter Ф80mm 4-Digits LED Display...

Lunes 24 junio 2019

4-Digits; Dual Relay, Output Signal NONC; Set Alarm Point In Whole Measurement Range 100x76mm size, Plastic shell, integrating pressure measurement and control; Widely used in Automatic System, Mobile Working Machines, Medical Equipment, Pump, Compressor, Energy and Water Treatment...