Introducing the HD75

Smaller profile. Same technology. More affordable.


Research-Proven Technology.



Learn about us


Research Proposal Papers for Sale: Lifesaving Service for Students
At least once in an academic career, every student says those four magic words… Research papers for sale. Writing a study is a heartrending experience that comes across any successful graduate, bringing forth troubles, stress and time issues. Is there a way to avoid this challenge?

The bad news is… There is no way you can skip writing your need help with research paper.

The good news is… We have a solution on how to ease the whole process and turn it to your advantage.

Writing a paper is similar to competing. You have a good deal of time to prepare yourself, can choose your personal training plan and, like any contestant, you experience anxiety and uncertainty of final results. But unlike sports competitor, as a scholar, you have a plan B: google “academic research paper for sale”, make an order and win the contest hands-down.

If you chose plan B, you have made the right decision. Now, be careful and find research proposal papers for sale at reliable sites only. Like the one you are scrolling at right now.

Custom Research Papers for Sale from Academic Writers
Professionalism. Experience. Commitment. These are the main features that single out our ghostwriters. Handpicked degree holders, all of them are good at writing plagiarism-free, original research papers for sale. Day after day, year after year, they do their best to satisfy the needs of the customers, providing them with qualitative works across various subjects. Whether you need juridical, linguistic or nursing research papers for sale, our authors produce written samples on any topic, of any complexity and degree level.

Check out 4 advantages of our writing services:

Every order is assigned to an eligible writer who can deliver it within specified time limits. The right candidate must have relevant knowledge in the defined subject area, required academic level and background.
Clients can chat with the writer at any time they like. Ask questions, make comments and suggestions, this way monitor the working progress from A to Z.
Professional editor revises the final draft as many times as required to make it a model of perfection.
All custom research papers for sale are examined for plagiarism with Copyscape before delivery. We provide a detailed plagiarism report when necessary.
In the end, students receive original and mistake-free content written from scratch.

Cheap Research Papers for Sale and Other Benefits of Masterpapers
Our company aims to be on the same wave with the customers. We are a budget-friendly and stress-free service that shares your pain and suffering. Experienced writers produce high-quality, yet affordable college research papers for sale, making MasterPapers the best and the safest place for every student.

On top of cheap research papers for sale, our service is also well-known for:

being a professional ghostwriting company with an excellent track record and review score.
completing thousands of custom written assignments within the years of successful operation.
having trust and satisfaction of every customer.
guaranteeing secure and confidential orders.
delivering written works on time and on short notice.
having an excellent 24/7 customer support team.
ensuring free revisions of the final copy and a full refund, if applicable.
offering seasonal discounts and promotions.


Our purpose is to create and deliver a high quality hearing solution that allows people to rediscover the power of connection, regardless of their geographic location or economic circumstance.

Research-Proven Technology

Decades of industry experience have allowed us to create premium technology that holds up to rigorous academic research standards.


Ready-to-use straight out of the box with hassle-free self-adjustment enabled by our free mobile app.


Our unique manufacturing and direct sales model allows us to provide state of the art products at an economical price.

Research evidence



The value of our hearing technology has been supported by independent research from leading research institutions across the United States and internationally.

Johns Hopkins Research Post

Every high school, college or graduate school student eventually reaches a point in their academic career where they recognize that they are just too overwhelmed to do everything on their own.
Balancing classes, a buzzing social life, a part-time job, and for some, even a family – it all takes time. What if time is not something that you have in high commodity? Do you quit your job to focus more on your studies? Do you drop a few classes so that you can work more? Perhaps you quit the swim team or skip a few get-togethers? What if you didn’t have to do any of that? Then read this immediately and think over why it’s important to ask for help and why so many students are in need of our services.
Get the quality paper you need without having to sacrifice good grades, time spent with friends, extra hours at your job, or even sleep.

Researchers at Johns Hopkins University published a high-impact study in 2017, which highlighted the performance of Sound World Solutions’ CS50+ product against several other hearing devices.

NAL Research Post

National Acoustic Laboratories is a leading research agency in Australia investigating Self-Fitting Hearing Aids. Sound World Solutions’ products were specially chosen for their seminal research in 2018, which demonstrated the reliable performance of self-fit hearing devices.

Access HEARS Research Post

Access HEARS is a community program, based out of Johns Hopkins University, which provides affordable and effective hearing health care to minority and low-income older adults. Sound World Solutions’ products were chosen to be one of their primary hearing devices. Read more about their social enterprise and the research behind it.

See our products below


We are committed to ensuring that everyone has easy access to premium-quality hearing solutions. That’s why all our extra features and services come included in our price.


$349 each


$449 each / $735 per pair


$280 each / $500 per pair

Who we are


Dr. Stavros Basseas

Dr. Stavros Basseas

Co-Founder & CEO

Over 30 years of industry experience in the hearing aid industry and previous CTO at GN Resound.

David Green

David Green


Social entrepreneur and Ashoka Fellow with over 30 years of global health strategy implementation.

Cindy Kaempfer

Cindy Kaempfer


Over 30 years of experience in healthcare financing, 15 of those in the hearing aid industry.

Wayne Bayever

Wayne Bayever

VP of Engineering

Over 25 years of industry experience in advanced signal processing technology.

Gerry Chudoba

Gerry Chudoba

VP of Operations

Design engineer with 40 years of experience in quality systems and manufacturing process improvement.

Sargon Khamo

Sargon Khamo

VP of Sales & CSR

Audiologist with over 15 years of experience as a clinical audiologist and expertise in acoustics sales and marketing strategy.

Rony Michael

Rony Michael

Head Technician

Assembly and repair specialist with expertise in manufacturing processes and improvements.

Jim Anderson

Jim Anderson

Principal Hearing Scientist

Previous Principal Engineer in Electroacoustics with GN Resound with over 40 years of experience in sound quality research.

Binh Quach

Binh Quach

Hearing Aid Technician

Over 30 years of industry experience as a hearing aid technician.



After years observing the failure of the hearing aid industry to effectively address the global epidemic of hearing loss, Dr. Stavros Basseas, a technologist with more than 30 years of experience, and David Green, an award-winning social entrepreneur with a global track record, set out to create affordable yet high-quality hearing solutions for the millions of people worldwide suffering from unaddressed hearing loss.

Vision for a Hearing Aid

The requirement was for a technologically advanced but easily programmable hearing device using readily available consumer electronics components in order to produce a robust and affordable solution that would accessible to all consumers.


In 2013, Sound World Solutions launched its first product, the CS10 Buetooth Series Personal Sound Amplifier, after 4 years of intense research and development.

Scaling Services

After Sound World Solutions’ parent became NantSound in 2014, reflecting the company’s membership under the Nantworks family of companies, we have gained the capability to scale in our ability to continue to offer our high-quality products to a wider range of customers.

960 N. Northwest Hwy.
Park Ridge, IL 60068

(855) 792-0117 (In US)
(847) 939-6101 (Outside the US)

Hours: M-F 9am- 5pm CST