Technique data
Technique data | Preset Procedure 1 (mid-hi-fre quency) | Preset Procedure 2 (hi-fre quency) | Preset Procedure 3 (full-fre quency) |
Max SSPL(±4dB) | 130 | 130 | 130 |
Full-on-gain(FOG) (±5dB) | 43 | 42 | 45 |
The scope of frequency(Hz) | 300-4000 | 300-4000 | 300-4000 |
Equivalent input noise level(≤32dB) | 30 | 30 | 30 |
Harmonic distortion(≤10%) | ≤6 | ≤6 | ≤6 |
Power supply electric voltage(V) | 1.4 | ||
The sum settles electric current(mA) | ≤0.8 | ||
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Discreet Sound Amplifier cheap mini rechargeable Hearing Aid device for hearing |
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Manufcaturer | ShenzhenZhongde Audio-Technical Co., Ltd. |
Warranty | One years |
Certification | CE/Rohs |
Samples: | Available Delivery time whin 7days |
Shenzhen ZhongDe Audio-Technical Co.,Ltd. was established in 1997 ,for now it is about 20 years history.we have our own factory ,there are almost 100 workers .we mainly produce Analog and digital model.and Analog model with BTE ,CIC,ITC Rechargeable and battery .Digital with Automatic Telecoil different channel with BTE and Battery.we sell Europe, Asia,USA,Australia and So on.with a good reputation in all over the world.
Discreet Sound Amplifier /ear hearing aids/device for hearing is popular products in foreign country,it is also new products in our company with two charging stand,two earphones,But there are the most important thing is : Discreet Sound Amplifier /ear hearing aids/device for hearing with good quality and reasonble price.
| Contacts : | Leo (Sales manager) |
| Tel : | +86 13544340925 |
| Phone : | +86 13622947455 |
| Skype : | leo1681682 |
| Whats app : | +86 13544340925 |
1) How can I place order?
A: You can contact us by email about your order details, or place order on line.
2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T (HSBC bank) and Paypal, Western Union are the most usual ways we are using.
3) What’s the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we don’t have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
4)How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
5)How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.
A: Your inquiry related to our products or prices will be replied in 24 hours.
B: Protection of your sales area, ideas of design and all your private information.
C: Best quality and competitive price.