Build me an electronic device - A HD amplifier

I want someone to build me a unique HD amplifier for headphones. It should work with any headphone / earphone. Should be small as possible prefer 3 (w) x 2 (L) x 1 (H) should use components that are highly reliable but cheap to make in large quantity. This is not just a 3D design project do not bid if you don't know how to design build the circuit , design should be unique and i should be able to get it patented , and all designs and circuit rights should be handed over to me at the end of the project. You will have to send me the circuit to test and release the payment.

Please do not bid without reading the description.

Habilidades: Engenharia Elétrica, Eletrônica, Engenharia, Desenho de Produto, Sound Design

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Acerca do Empregador:
( 4 comentários ) Melbourne, Australia

ID do Projeto: #6781845

13 freelancers estão ofertando em média $432 para esse trabalho


hi, i am an electrical engineer. i have expertise in embedded system design and Matlab.i can help you with this project. Please check my profile for my previous work experiences. let me know if you are interested in th Mais

$850 AUD in 12 dias
(65 Comentários)

Dear Hiring Manager, I am a professional electrical engineer and have made more than 150 projects for local and international clients. I have also completed 50 projects here in with excellent ratings. Mais

$1000 AUD in 30 dias
(48 Comentários)

Hi, Have a great day. I can help you. We have our own setup for PCB design and fabrication. Also we have fully equipped Lab to test the Electronics. Also i would like to know the dimensions, probably you missed the Mais

$250 AUD in 15 dias
(21 Comentários)

Dear Sir, This is Ahmed Hamdy an Industrial and CAD Engineer for more than 8 years, I'm working as R&D Engineer for 4 years, I can do this project in a short time with a high quality with the lowest price I'm now worki Mais

$200 AUD in 3 dias
(10 Comentários)

A big amount of time will be taken for purchasing (Mouser/Dickey). There are some Qs. 1) Of course the headphone amplifier will work with any commercial /studio headphones, but what is the input to the amplifier? Ho Mais

$488 AUD in 21 dias
(3 Comentários)

Dear Sir, First, i have question to fully understand your project, " the HD amplifier circuit to be built into the headphones?", and the size in inches for these dimensions you mentioned? second, i have been into Mais

$277 AUD in 20 dias
(3 Comentários)

Extreme Services Intense Experience Very Reliable Proven Track Record 50% payment after Customer Satisfaction. Availability is immediate. Do not hesitate to contact us. Best Regards Faizan. E-Tech S Mais

$500 AUD in 20 dias
(1 Comentário)

After the agreement is the entire project delivery ( PCB - Layout - silkscreen - mask screen - via drill ) With of property rights

$444 AUD em 1 dia
(0 Comentários)

A proposal has not yet been provided

$155 AUD in 3 dias
(0 Comentários)

Wow! I think I may be a good candidate for this one. I have over 5 years experience designing professional electronic projects. I have experience designing headphone amplifier using TI and Maxim chips as well. I co Mais

$255 AUD in 5 dias
(0 Comentários)

A proposal has not yet been provided

$777 AUD in 10 dias
(0 Comentários)

A proposal has not yet been provided

$155 AUD in 3 dias
(0 Comentários)

I am an Electrical Engineer and have expertise in designing circuits. I will make sure that Quality and Service is delivered for your price, if employed.

$266 AUD in 3 dias
(0 Comentários)