| Type: | Desktop Amplifier |
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| Usage: | Hi-Fi, AV, KTV System |
| Used For: | Civilian |
| Samples: |
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| Customization: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
1 channel microphone input, 2 channel input, high and bass adjustable,
radio, SD card, USB interface
microphone and line volume can be independently adjusted
with reliable short circuit, overload protection device
size: 242/205/65 (mm)
| Model | USB-40D |
| Rated power | 20W |
| Case | Plastic Case; Plastic Panel; No Handle; Plastic Knob |
| I/O |
1 MIC IN; 2 AUX IN; USB IN; SD IN;
|
| Speaker Output | COM/4-16ohm/100V; |
| Channel | 1Channel |
| Tune | 2 Bands Control - Treble. Bass; |
| MP3 | Bluetooth; FM Radio; Remote Controller (5 RMB); |
| Amplifier Type | CLASS D: |
| Acoustics | Frequency Response: 100Hz-16KHz; THD: <1% at 1/3 Voltage: |
| Protection | Simple Protection |
| Addition | |
| Remark |
New Class D Type; Small and light so Easy to carry; Power bigger than Class AB
with similar price; More stable than Class AB Type; Sound is litte bad than Class
AB; Silver/Black Optional;
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Hangzhou Zhonghe Electronic Equipment Co., Ltd. has more than 30 years of industry experience in providing full system audio equipment. It is the pioneer and leader in the field of intelligent public broadcasting equipment and professional audio in China. It is a rare enterprise in China that produces public broadcasting professional sound in one line. It independently develops and produces dozens of series and more than 1000 varieties of products. So far, it has more than 2 million successful cases in the world.
Suppliers with verified business licenses
Audited Supplier 
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