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VERIFIED
Aug-30-22
Sound Amplifier - Natural Wood Sound Amplifier

Sound Amplifier - Natural Wood Sound Amplifier

$20 - $60
MOQ: 20 crates  
Sample Available
  ANH Duong Xanh Production Construction Company Limited
Supplier From Ho Chi Minh City, Viet Nam
Supplier Of Amplifiers
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Eco-Friendly wooden sound amplifier device is one of the best sellers of Anh Duong Xanh. Cell Phone Stand with loudspeaker is used in any bathroom, bedroom, kitchen, or desktop office
Feb-27-09
Audio analysers(ATB 701 QC)

Audio Analysers(Atb 701 Qc)

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MOQ: Not Specified
  Leads Engineering Co., Limited
Supplier From Shenzhen, Guang Dong Province, China
Supplier Of Audio Amplifier & Mixer
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Here are the specifications of the new version:
* The program works with the Audio Analyser ATB 701
* The program includes the comfortable ATB 701QC program
* Setting of the definition without script, there is no need of learning to program
* Tolerance field is easy to set automatically or with the mouse
* Rub&Buss is tested with the signal 13 to get a nonlinear distortion measurement
* Surrounded noise does not disturb the Rub&Buss measurement because of the Q-Index calculation

Measurement functions
1. Total Harmonic Distortion THD
2. Intermodulation Distortion, IMD
3. Frequency response(SPL)
4. Impedance(IMP)
5. Polarity Test
6. Thiele-Small Parameter
7. Phase
8. Step response
9. Quality Control Program

Thiele-Small Parameter
Frequency response of phase

Intermodulation Distortion IMD
Total Harmonic Distortion THD

Quality Control Program
Rub&Buss measurement Passed
Rub&Buss measurement Failed

1. Frequency response
The frequency response is tested with the M-PN signal. The measurement with this periodic noise gives the highest accuracy. The tolerance mask can be set automatically or manually.

2. Rub&Buss measurement
The Rub&Buss is tested with the signal 13. The signal 13 consists of two sine-sweeps with the frequency ratio of 1 : 1.3. This signal is showing all resonances of the unit under test.
For the passed and failed decision the Q-Index is calculated. The index is calculated from all frequencies higher than the second frequency of the test signal 13. The account is set into proportion to the amplitude of the test signal. The best speaker has the highest Q-index.
The Rub&Buss measurement has following tests.

Calculation of error
1. THD, K2,K10 The test is for the controlling of the placement of the voice coil.
2. IMD The test is for the controlling the gluing, loose particle and if there are cone touching of connection wires.
3. Frequencies > K5 The test is for the controlling of voice coil rubbing the magnet.
3. Distortion THD Test
The THD test tests the harmonic distortion. The test signal is a sine wave with frequency to select. Because this test is included in the Rub&Buss test it is only for the special demand of the manufacturer. In the definition there is to set the maximum THD and the frequency.
4. Polarity Test
The polarity test is for testing the wiring. It is for speakers, headphones and microphones. The test signal is a half sine wave. In the time response the program calculates if the positive or negative amplitude is the greatest value.
Nov-18-02
Golden Portable PA

Golden Portable Pa

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MOQ: 100  Pair
Sample Available
  Dian Chiang Chia Industrial Co., Ltd.
Supplier From Taichung, Taiwan
Supplier Of Audio Amplifier & Mixer
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The Golden Portable PA is perfect for large meetings of up to 500 people. Control up to three different microphones (2 wire, 1 wireless) separately, as well as a master volume. The wireless mic is loud and clear to a distance of over 20m. Connect more then one Golden Portable PA together for extra large gatherings or surround sound. Available with tripod stand.
Jun-28-26
Premium Teak Phone Speaker Amplifier

Premium Teak Phone Speaker Amplifier, Premium Export Grade Indonesian Teak

$24 - $49 / Piece (FOB)
MOQ: Not Specified
  Jati North
Supplier From Semarang, Indonesia
Supplier Of Amplifiers
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JATI NORTH Premium Teak Phone Speaker Amplifier is a handcrafted passive acoustic speaker made from 100% solid Indonesian teak wood.

Designed to naturally amplify smartphone audio without electricity, batteries, or electronic components, this elegant desk accessory enhances sound through carefully engineered acoustic chambers.

Its organic curved form, Scandinavian simplicity, and Japandi-inspired aesthetics make it a functional and timeless addition to homes, offices, caf�©s, hotels, and modern workspaces.

Crafted from premium Indonesian teak wood and finished with a smooth natural matte coating, each piece highlights the unique grain and beauty of solid wood while providing a sustainable alternative to electronic speakers.

Features:
- 100% Solid Indonesian Teak Wood
- Passive Acoustic Sound Amplification
- No Electricity or Batteries Required
- Universal Smartphone Compatibility
- Acoustic Horn Chamber Design
- Premium Natural Matte Finish
- Handcrafted Construction
- Organic Curved Form
- Scandinavian Japandi Design
- Durable and Long Lasting

Specifications:
- Length: 20 cm
- Width: 8.5 cm
- Height: 7.5 cm
- Slot Width: 1.2 cm
- Slot Depth: 2 cm
- Weight: Approx. 0.55 kg

Applications:
Home Office, Executive Desk, Gift Shops, Corporate Gifts, Hotels, Caf�©s, Lifestyle Stores, Home Decor Retailers and Private Label Programs.

OEM, ODM and Custom Branding Services Available.

Made in Indonesia.
Jul-19-26
Raman Fiber Amplifier

Raman Fiber Amplifier, Premium

$1 - $1 / Set (FOB)
MOQ: Not Specified
  Hc Optical
Supplier From Guilin, Guangxi, China
Supplier Of Audio Amplifier & Mixer
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Raman fiber amplifier is an optical amplifier that uses the stimulated Raman scattering effect in single-mode fiber to amplify the optical signal. There are usually Counter Raman amplification and Co-Propagating amplification.



The amplifier modules can be operated at constant pump power (Automatic Pump Power Control, APPC). Different wavelength pump power can be adjusted to achieve smooth gain spectrum for the DWDM network application. It can amplify the single channel signal, in order to achieve the best OSNR; the module integrated a narrow band filter to suppress the ASE power. Counter-propagating pumping configuration, Pre-DRA: Co-propagating pumping configuration, Boost-DRA: Pump Signal Signal PD PUMP IN OUT PD REF PD pump Pump Signal Signal PD PUMP IN OUT PD REF PD pump
809 Amplifiers Suppliers
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Sep-24-22
Supplier From Enping, China
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Amplifier,Professional power amplifier.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Apr-20-20
Supplier From -shenzhen, China
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Amplifier, Pre-Amplifier, DIY audio board.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Mar-31-09
Supplier From Nanjing, Jiangsu, China
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PLC, programmable logic controller, multifunction timer counter, panel meter, SMPS, switching power supply, HMI, programmable DC power supply, DC electronic load, multimeter, tour guide system wireless amplifier.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Feb-23-12
Supplier From Lyon, France
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Audio amplifier HIFI, instruments.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Oct-15-20
Supplier From India
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Amplifiers.

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Sep-12-20
Supplier From Nairobi, Kenya
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Amplifiers.

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Apr-19-19
Supplier From Guangzhou, Guangdong, China
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Amplifiers.

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Mar-18-04
Supplier From Vicenza, Italy
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Pre amplifier HSS fidelity.

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Apr-18-05
Supplier From Delhi, Delhi, India
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P a amplifiers.

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Mar-28-06
Supplier From Shenzhen, China
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Hdmi splitter, conventor, amplifier.Repair it for one year

Service Provider Of Repair & Maintenance

Supplier Of Amplifiers
Aug-16-06
Supplier From Wuhan, China
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Guitar amplifiers, bass amplifiers, keyboard, amplifiers, multifunctional amplifiers, guitar effects, guitar effects, Guitar and bass tuners, pedals.

Supplier Of Amplifiers
Nov-09-06
Supplier From Shenzhen, China
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Electronic components, active components, passive components, DC-DC Converters, isolated amplifier.

Supplier Of Amplifiers
Apr-10-08
Supplier From Koowloon, Shatin, Hong Kong
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Digital/ vacuum tube audio amplifier , 2.4g wireless audio amplifier, mini dac, high quality dac, a type head phone amplifier.

Supplier Of Amplifiers
May-20-08
Supplier From Kaohsiung, Taiwan
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Infrared microphone system, infrared receiver, amplifier system, infrared sound field system, infrared teaching amplifier.

Supplier Of Amplifiers
Jul-28-08
Supplier From Zhong Shan, Guangdong, China
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Amplifiers, av-receivers.

Supplier Of Amplifiers
Aug-18-08
Supplier From Shenzhen, Guangdong, China
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Digital amplifier module.

Supplier Of Amplifiers
Aug-26-08
Supplier From Guangzhou, Baiyun Industry, China
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Karaoke amplifier, multimedia speaker boxes, car amplifiers, mixing consoles, professional stage speaker boxes and digital reverberation devices.

Supplier Of Amplifiers
Oct-03-08
Supplier From Preston, Victoria, Australia
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Electronic tube amplifiers.

Supplier Of Amplifiers
Dec-26-08
Supplier From San Chung, Taiwan
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PA amplifier, mixer amplifier, power amplifier, booster amplifier, distribution amplifier, graphic equalizer.

Supplier Of Amplifiers
Nov-21-08
Supplier From Hanghzou, China
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Power amplifier, dj mixer, power audio mixing console, speaker, broadcasting amplifier, light dimmer, portable mixer with amplifier.

Supplier Of Amplifiers
Jul-02-09
Supplier From Dki Jakarta, Jakarta Selatan, Indonesia
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Booster 144mhz linear amplifier.

Supplier Of Amplifiers
Sep-04-09
Supplier From Shenzhen, China
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Amplifiers.

Supplier Of Amplifiers
May-15-12
Supplier From Wuhan, Hubei, China
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High performance servo drive (servo amplifier) and servo motor.

Supplier Of Amplifiers
Mar-21-12
Supplier From Shenzhen, China
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LED controller, LED dimmer, LED amplifier.OEM, ODM service

Service Provider Of OEM & ODM Services

Supplier Of Amplifiers
Feb-27-12
Supplier From Shenzhen, Guangdong, China
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Mobile phone signal repeater, booster, amplifier, signal jammer, cutoff, shield.

Supplier Of Amplifiers
Jun-10-11
Supplier From Shenzhen, Guangdong, China
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Tuner, metronome, metro-tuner, amplifier, effect pedal, electronic products, USB light, USB fan.

Supplier Of Amplifiers
Aug-21-12
Supplier From Shenzhen, Guangdong, China
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Hybrid amplifier module, optical receiver module, mmic amplifier.

Supplier Of Amplifiers
Mar-07-13
Supplier From Kolkatta, West Bengal, India
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Amplifier.

Supplier Of Amplifiers
Apr-22-13
Supplier From Zibo, Shandong, China
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CATV/EDFA/13dBm Amplifier.

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Dec-05-12
Supplier From Bucheon, Kyunggido, South Korea (Republic Of Korea)
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Amplifiers.

Supplier Of Amplifiers
Jul-09-13
Supplier From Shanghai, Zhangjiang, China
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1u edfa, external modulation transmitter, raman amplifier, dcm, fbg interogator, DTS, optical source.

Supplier Of Amplifiers
Feb-10-23
Supplier From New Taipei, Taiwan
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Power amplifier, multi zone amplifier, pre amplifier, dsp amplifier, streaming amplifier, dante amplifier.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Mar-05-21
Supplier From India
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Amplifiers.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Aug-05-20
Supplier From Singapore, Singapore
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Voice amplification devices.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Nov-15-21
Supplier From India
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Amplifiers and antenna..

Supplier Of Amplifiers
Apr-30-15
Supplier From New York, Brooklyn, United States
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Home audio electronics like amplifiers, speakers, cases, audio cabels.

Supplier Of Amplifiers
Dec-08-15
Supplier From Guangzhou, Guangdong, China
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Power amplifier.

Supplier Of Amplifiers
Mar-03-24
Supplier From India
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Amplifire.

Supplier Of Amplifiers
Nov-06-23
Supplier From India
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Amplifier..

Supplier Of Amplifiers
Oct-28-23
Supplier From India
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Amplifier.

Supplier Of Amplifiers
May-12-25
Supplier From Guangzhou, China, China
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Car amplifier.

Supplier Of Audio Amplifier & Mixer   |   Amplifiers
Jul-07-25
Supplier From Indonesia
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Kit Power Amplifiers.

Supplier Of Amplifiers
Mar-15-25
Supplier From Sri Lanka
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Servo amplifier.

Supplier Of Amplifiers
Oct-04-24
Supplier From India
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Amplifiers.

Supplier Of Amplifiers
Mar-09-26
Supplier From China, China
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Receivers and amplifiers.

Supplier Of Amplifiers
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